NHTSA Interpretation File Search
Overview
NHTSA's Chief Counsel interprets the statutes that the agency administers and the standards and regulations that it issues. Members of the public may submit requests for interpretation, and the Chief Counsel will respond with a letter of interpretation. These interpretation letters look at the particular facts presented in the question and explain the agency’s opinion on how the law applies given those facts. These letters of interpretation are guidance documents. They do not have the force and effect of law and are not meant to bind the public in any way. They are intended only to provide information to the public regarding existing requirements under the law or agency policies.
Understanding NHTSA’s Online Interpretation Files
NHTSA makes its letters of interpretation available to the public on this webpage.
An interpretation letter represents the opinion of the Chief Counsel based on the facts of individual cases at the time the letter was written. While these letters may be helpful in determining how the agency might answer a question that another person has if that question is similar to a previously considered question, do not assume that a prior interpretation will necessarily apply to your situation.
- Your facts may be sufficiently different from those presented in prior interpretations, such that the agency's answer to you might be different from the answer in the prior interpretation letter;
- Your situation may be completely new to the agency and not addressed in an existing interpretation letter;
- The agency's safety standards or regulations may have changed since the prior interpretation letter was written so that the agency's prior interpretation no longer applies; or
- Some combination of the above, or other, factors.
Searching NHTSA’s Online Interpretation Files
Before beginning a search, it’s important to understand how this online search works. Below we provide some examples of searches you can run. In some cases, the search results may include words similar to what you searched because it utilizes a fuzzy search algorithm.
Single word search
Example: car
Result: Any document containing that word.
Multiple word search
Example: car seat requirements
Result: Any document containing any of these words.
Connector word search
Example: car AND seat AND requirements
Result: Any document containing all of these words.
Note: Search operators such as AND or OR must be in all capital letters.
Phrase in double quotes
Example: "headlamp function"
Result: Any document with that phrase.
Conjunctive search
Example: functionally AND minima
Result: Any document with both of those words.
Wildcard
Example: headl*
Result: Any document with a word beginning with those letters (e.g., headlamp, headlight, headlamps).
Example: no*compl*
Result: Any document beginning with the letters “no” followed by the letters “compl” (e.g., noncompliance, non-complying).
Not
Example: headlamp NOT crash
Result: Any document containing the word “headlamp” and not the word “crash.”
Complex searches
You can combine search operators to write more targeted searches.
Note: The database does not currently support phrase searches with wildcards (e.g., “make* inoperative”).
Example: Headl* AND (supplement* OR auxiliary OR impair*)
Result: Any document containing words that are variants of “headlamp” (headlamp, headlights, etc.) and also containing a variant of “supplement” (supplement, supplemental, etc.) or “impair” (impair, impairment, etc.) or the word “auxiliary.”
Search Tool
NHTSA's Interpretation Files Search
Interpretations | Date |
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search results table | |
ID: 7449Open Mr. Kenneth Lenz Dear Mr. Lenz: This responds to your letter asking whether Federal Motor Vehicle Safety Standard No. 206, Door Locks and Door Retention Components, requires door locks on fire trucks. Safety Standard No. 206, which applies to all passenger cars, multipurpose passenger vehicles and trucks, does not exclude fire trucks. Thus, fire trucks are covered by the standard's general requirement that "components on any side door leading directly into a compartment that contains one or more seating accommodations shall conform to this standard." [ S4] Standard No. 206 does not apply, however, to certain types of doors which are often found on fire trucks. Since your letter did not provide any details about the design of the specific doors to which you refer, I am unable to determine whether any of the doors on those fire trucks would be subject to Standard No. 206's requirements. For your information, I have enclosed two letters from this office which discuss the applicability of Standard No. 206 to specific doors on fire trucks in more detail. The two letters are an August 13, 1980 letter to Mr. Steenbock and a February 11, 1988 letter to Ms. Salvio. The National Highway Traffic Safety Administration has not adopted any amendments to Standard No. 206 that affect the accuracy of the information contained in these letters. I have also enclosed a current copy of Standard No. 206. You also asked about the possibility of obtaining an exemption from Standard No. 206 for fire trucks. The only provisions for exemptions from safety standards are those set forth in 49 CFR 555, a copy of which is enclosed. As you will note, the circumstances under which exemptions may be granted and the scope of such exemptions are very limited. I hope this information is helpful. If you have any further questions, please contact David Elias of my staff at this address or at (202) 366-2992. Sincerely,
Paul Jackson Rice Chief Counsel Enclosures ref:206 d:7/22/92 |
1992 |
ID: 7450Open Mr. L.J. Sharman Dear Mr. Sharman: This responds to your letter requesting information about whether the National Highway Traffic Safety Administration (NHTSA) has issued any regulations addressing the retention of records regarding compliance testing results. Your question arises in the context of the testing procedures set forth in Standard No. 302, Flammability of Interior Materials. (49 CFR 571.302). As explained below, the agency makes available all of its compliance test results through its Technical Reference Division. However, the agency has no such requirements for manufacturers or other persons to keep records concerning any test results. Nevertheless, a manufacturer would be well advised to retain such records in case its motor vehicle or item of equipment did not comply with an applicable safety standard. By way of background information, the National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1381 et seq., the "Safety Act") gives this agency the authority to issue safety standards applicable to new motor vehicles and new items of motor vehicle equipment. Each of the agency's safety standards specifies the test conditions that this agency will use to assure whether the performance of the vehicle or equipment being tested is in compliance with the safety standard. NHTSA follows the established test procedures and conditions when conducting its compliance testing. The results of NHTSA's compliance tests are always recorded and made available to the public in the agency's Technical Reference Division. However, the Safety Act does not require a manufacturer to test its products only in the manner specified in the relevant safety standard, or even to test the products at all. A manufacturer may choose any means of certifying that its products comply with the requirements of the safety standards. If the manufacturer chooses to conduct testing, there is no requirement that the manufacturer retain those results. However, if the agency testing shows that an apparent noncompliance exists with a vehicle or item of equipment, the manufacturer is asked to show the basis for its certification that the vehicle or equipment complies with the relevant safety standard or standards. If, in fact, there is a noncompliance, the manufacturer is subject to civil penalties under the Safety Act unless it can establish that it exercised "due care" in the design and manufacture of the product and in the checks (through actual testing, computer simulation, engineering analyses, or other means) to ensure compliance, but nevertheless did not have reason to know that the vehicle or item of equipment did not in fact comply with the safety standards. Given the potential for civil penalties, it is in the manufacturer's best interests to retain its testing records in case it must establish due care. (See 15 U.S.C. 1397(b)). I note that the agency has issued a regulation addressing recordkeeping, 49 CFR Part 576, Record Retention, which establishes requirements for the retention by motor vehicle manufacturers of complaints, reports, and other records concerning motor vehicle malfunctions. However, nothing in this provision requires retention of information generated during compliance testing. I hope this information is helpful. If you have any further questions about NHTSA's regulations, please feel free to contact Marvin Shaw of my staff at this address or by telephone at (202) 366-2992. Sincerely, Paul Jackson Rice Chief Counsel Ref:VSA d:8/12/92 |
1992 |
ID: 7468-2Open Ms. R. Marie McFadden Dear Ms. McFadden: This responds to your June 23, 1992 letter requesting information on Federal regulations concerning safety belts and seating in vehicles manufactured by your company. These vehicles are the "Mini Trolley," the "Road Train," and the "Trolley Tram." You indicated that these vehicles can be used on the highway and are motorized, licensed vehicles. I am pleased to have this opportunity to explain our regulations to you. Some background information on Federal motor vehicle safety laws and regulations may be helpful. Our agency is authorized, under the National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1381 et seq., Safety Act), to issue safety standards applicable to new motor vehicles and items of motor vehicle equipment. NHTSA, however, does not approve motor vehicles or motor vehicle equipment, nor do we endorse any commercial products. Instead, the Safety Act establishes a "self-certification" process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards. The following represents our opinion based on the facts provided in your letter. NHTSA's safety standards specify different requirements for different types of motor vehicles. Therefore, in order to answer your specific questions, it is necessary to determine how each of your vehicles is classified under our regulations. NHTSA defines a "bus" as "a motor vehicle with motive power, except a trailer, designed for carrying more than 10 persons." Your literature indicates that the "Mini Trolley" has a passenger capacity of 18, and that the power unit of the "Trolley Tram" has a passenger capacity of 22. Therefore, both of these vehicles would be considered a "bus" for the purpose of Federal regulations. NHTSA defines a "truck" as "a motor vehicle with motive power, except a trailer, designed primarily for the transportation of property or special purpose equipment." The power unit of the "Road Train" has seating capacity for only one passenger, and the primary use appears to be to draw the coaches. Therefore, it appears that this vehicle is a "truck" for the purpose of Federal regulations. NHTSA defines a "trailer" as "a motor vehicle with or without motive power, designed for carrying persons or property and for being drawn by another motor vehicle." The coaches for the "Road Train" and the "Trolley Tram" would be considered trailers for the purpose of Federal regulations. Your specific questions and the answers to each follow. You asked us to answer these questions for vehicles manufactured both before and after September 1, 1991. 1. Our small unit has a GVW of 12,300, we understand that we need seat belts for the driver only, this small unit is an eighteen passenger. Our largest is a thirty-two passenger unit with a GVW of 17,000 lbs. The safety belt installation requirements are set forth in Standard No. 208, Occupant Crash Protection. This standard specifies requirements based on vehicle type and seating position within the vehicle. Different requirements also apply depending on the GVWR of the vehicle. The discussion which follows is limited to vehicles with a GVWR greater than 10,000 pounds. As explained below, buses such as the "Mini Trolley" and the power unit of the "Trolley Tram" are required to have, at a minimum, a lap belt at the driver's position; trucks such as the power unit of the "Road Train" are required to have, at a minimum, a lap belt at every designated seating position; and trailers such as the coaches for the "Road Train" and the "Trolley Tram" are not required to have any type of safety belt at any seating position. The requirements for buses with a GVWR of more than 10,000 pounds are contained in S4.4 of Standard No. 208. Section S4.4.1 gives vehicle manufacturers a choice of two options for providing occupant crash protection in buses manufactured on or after January 1, 1972 and before September 1, 1990. Option 1, set forth in S4.4.1.1, requires vehicle manufacturers to provide an automatic protection system at the driver's seating position that meets the frontal and lateral crash protection and rollover requirements. Option 2, set forth in S4.4.1.2 requires vehicle manufacturers to install a lap or lap/shoulder belt at the driver's seating position. Buses manufactured on or after September 1, 1990 are allowed the same two options, however, S4.4.2.2 specifies that, if a manufacturer chooses to comply with Option 2, the lap belt or pelvic portion of the lap/shoulder belt must have either an emergency locking retractor (ELR) or an automatic locking retractor (ALR). The requirements for trucks with a GVWR of 10,000 pounds or more are contained in section S4.3 of Standard No. 208. Section 4.3.1 gives vehicle manufacturers a choice of two options for providing occupant crash protection in trucks manufactured on or after January 1, 1972 and before September 1, 1990. Option 1, set forth in S4.3.1.1, requires vehicle manufacturers to provide an automatic protection system at all seating positions that meets the frontal and lateral crash protection and rollover requirements. Option 2, set forth in S4.3.1.2 requires vehicle manufacturers to install lap or lap/shoulder belts at every seating position. Trucks manufactured on or after September 1, 1990 are allowed the same two options, however, S4.3.2 specifies that, if a manufacturer chooses to comply with Option 2, the lap belt or pelvic portion of a lap/shoulder belt must have either an ELR or an ALR. Standard No. 208 does not apply to trailers. Therefore, the coaches for the "Road Train" and the "Trolley Tram" are not required to have safety belts. 2. As you can see on our Tram specs we do have oak seats, is there a ruling on this at all. The seating requirements are contained in Standard No. 207, Seating Systems. This standard includes strength requirements for all "occupant seats" in passenger cars, multipurpose passenger vehicles, and trucks, and for the driver's seats in buses, except that the requirements do not apply to side-facing seats. Therefore, the driver's seat in the "Mini Trolley" and the power unit of the "Trolley Tram," and all "occupant seats" in the power unit of the "Road Train" must meet the requirements of Standard No. 207. The standard does not specify that seats must be made of a particular material; therefore, oak seats are permitted if they comply with the standard. As with Standard No. 208, Standard No. 207 does not apply to trailers. Therefore, the seats in the coaches for the "Road Train" and the "Trolley Tram" are not subject to the requirements of Standard No. 207. We have one seat on some of our vehicles that we refer to as a jump seat it is located in front of the entrance door, this seats two people and faces the driver. Would the same ruling apply to this seat as for the other passenger seats. As stated above, Standard No. 207 applies only to the driver's seat in buses such as the "Mini Trolley" or the power unit of the "Trolley Tram." If the jump seat is in the power unit of the "Road Train," and if it is not a side- facing seat, it must meet the requirements of Standard No. 207 if it is an "occupant seat" as defined in that standard. Section S3 of Standard No. 207 defines an "occupant seat" as "a seat that provides at least one designated seating position." A "designated seating position" is defined at 49 CFR 571.3 as any plain view location capable of accommodating a person at least as large as a 5th percentile adult female, if the overall seat configuration and design is such that the position is likely to be used as a seating position while the vehicle is in motion, except for auxiliary seating accommodations such as temporary or folding jump seats. Your letter does not contain enough information to determine whether your seat would be considered an auxiliary seating position. If it is, it is not subject to Standard No. 207. I hope you find this information helpful. If you have any other questions, please contact Mary Versailles of my staff at this address or by phone at (202) 366-2992. Sincerely,
Paul Jackson Rice Chief Counsel ref:207#208 d:8/20/92 |
1992 |
ID: 7468Open Ms. R. Marie McFadden Dear Ms. McFadden: This responds to your June 23, 1992 letter requesting information on Federal regulations concerning safety belts and seating in vehicles manufactured by your company. These vehicles are the "Mini Trolley," the "Road Train," and the "Trolley Tram." You indicated that these vehicles can be used on the highway and are motorized, licensed vehicles. I am pleased to have this opportunity to explain our regulations to you. Some background information on Federal motor vehicle safety laws and regulations may be helpful. Our agency is authorized, under the National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1381 et seq., Safety Act), to issue safety standards applicable to new motor vehicles and items of motor vehicle equipment. NHTSA, however, does not approve motor vehicles or motor vehicle equipment, nor do we endorse any commercial products. Instead, the Safety Act establishes a "self-certification" process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards. The following represents our opinion based on the facts provided in your letter. NHTSA's safety standards specify different requirements for different types of motor vehicles. Therefore, in order to answer your specific questions, it is necessary to determine how each of your vehicles is classified under our regulations. NHTSA defines a "bus" as "a motor vehicle with motive power, except a trailer, designed for carrying more than 10 persons." Your literature indicates that the "Mini Trolley" has a passenger capacity of 18, and that the power unit of the "Trolley Tram" has a passenger capacity of 22. Therefore, both of these vehicles would be considered a "bus" for the purpose of Federal regulations. NHTSA defines a "truck" as "a motor vehicle with motive power, except a trailer, designed primarily for the transportation of property or special purpose equipment." The power unit of the "Road Train" has seating capacity for only one passenger, and the primary use appears to be to draw the coaches. Therefore, it appears that this vehicle is a "truck" for the purpose of Federal regulations. NHTSA defines a "trailer" as "a motor vehicle with or without motive power, designed for carrying persons or property and for being drawn by another motor vehicle." The coaches for the "Road Train" and the "Trolley Tram" would be considered trailers for the purpose of Federal regulations. Your specific questions and the answers to each follow. You asked us to answer these questions for vehicles manufactured both before and after September 1, 1991. 1. Our small unit has a GVW of 12,300, we understand that we need seat belts for the driver only, this small unit is an eighteen passenger. Our largest is a thirty-two passenger unit with a GVW of 17,000 lbs. The safety belt installation requirements are set forth in Standard No. 208, Occupant Crash Protection. This standard specifies requirements based on vehicle type and seating position within the vehicle. Different requirements also apply depending on the GVWR of the vehicle. The discussion which follows is limited to vehicles with a GVWR greater than 10,000 pounds. As explained below, buses such as the "Mini Trolley" and the power unit of the "Trolley Tram" are required to have, at a minimum, a lap belt at the driver's position; trucks such as the power unit of the "Road Train" are required to have, at a minimum, a lap belt at every designated seating position; and trailers such as the coaches for the "Road Train" and the "Trolley Tram" are not required to have any type of safety belt at any seating position. The requirements for buses with a GVWR of more than 10,000 pounds are contained in S4.4 of Standard No. 208. Section S4.4.1 gives vehicle manufacturers a choice of two options for providing occupant crash protection in buses manufactured on or after January 1, 1972 and before September 1, 1990. Option 1, set forth in S4.4.1.1, requires vehicle manufacturers to provide an automatic protection system at the driver's seating position that meets the frontal and lateral crash protection and rollover requirements. Option 2, set forth in S4.4.1.2 requires vehicle manufacturers to install a lap or lap/shoulder belt at the driver's seating position. Buses manufactured on or after September 1, 1990 are allowed the same two options, however, S4.4.2.2 specifies that, if a manufacturer chooses to comply with Option 2, the lap belt or pelvic portion of the lap/shoulder belt must have either an emergency locking retractor (ELR) or an automatic locking retractor (ALR). The requirements for trucks with a GVWR of 10,000 pounds or more are contained in section S4.3 of Standard No. 208. Section 4.3.1 gives vehicle manufacturers a choice of two options for providing occupant crash protection in trucks manufactured on or after January 1, 1972 and before September 1, 1990. Option 1, set forth in S4.3.1.1, requires vehicle manufacturers to provide an automatic protection system at all seating positions that meets the frontal and lateral crash protection and rollover requirements. Option 2, set forth in S4.3.1.2 requires vehicle manufacturers to install lap or lap/shoulder belts at every seating position. Trucks manufactured on or after September 1, 1990 are allowed the same two options, however, S4.3.2 specifies that, if a manufacturer chooses to comply with Option 2, the lap belt or pelvic portion of a lap/shoulder belt must have either an ELR or an ALR. Standard No. 208 does not apply to trailers. Therefore, the coaches for the "Road Train" and the "Trolley Tram" are not required to have safety belts. 2. As you can see on our Tram specs we do have oak seats, is there a ruling on this at all. The seating requirements are contained in Standard No. 207, Seating Systems. This standard includes strength requirements for all "occupant seats" in passenger cars, multipurpose passenger vehicles, and trucks, and for the driver's seats in buses, except that the requirements do not apply to side-facing seats. Therefore, the driver's seat in the "Mini Trolley" and the power unit of the "Trolley Tram," and all "occupant seats" in the power unit of the "Road Train" must meet the requirements of Standard No. 207. The standard does not specify that seats must be made of a particular material; therefore, oak seats are permitted if they comply with the standard. As with Standard No. 208, Standard No. 207 does not apply to trailers. Therefore, the seats in the coaches for the "Road Train" and the "Trolley Tram" are not subject to the requirements of Standard No. 207. We have one seat on some of our vehicles that we refer to as a jump seat it is located in front of the entrance door, this seats two people and faces the driver. Would the same ruling apply to this seat as for the other passenger seats. As stated above, Standard No. 207 applies only to the driver's seat in buses such as the "Mini Trolley" or the power unit of the "Trolley Tram." If the jump seat is in the power unit of the "Road Train," and if it is not a side- facing seat, it must meet the requirements of Standard No. 207 if it is an "occupant seat" as defined in that standard. Section S3 of Standard No. 207 defines an "occupant seat" as "a seat that provides at least one designated seating position." A "designated seating position" is defined at 49 CFR 571.3 as any plain view location capable of accommodating a person at least as large as a 5th percentile adult female, if the overall seat configuration and design is such that the position is likely to be used as a seating position while the vehicle is in motion, except for auxiliary seating accommodations such as temporary or folding jump seats. Your letter does not contain enough information to determine whether your seat would be considered an auxiliary seating position. If it is, it is not subject to Standard No. 207. I hope you find this information helpful. If you have any other questions, please contact Mary Versailles of my staff at this address or by phone at (202) 366-2992. Sincerely,
Paul Jackson Rice Chief Counsel ref:207#208 d:8/20/92 |
1992 |
ID: 7479Open Mr. Richard Hamlin Dear Mr. Hamlin: This responds to your letter of June 26, 1992 to Secretary Card, inquiring whether maintenance of school buses in safe operating condition is prescribed by Federal law or regulation. I am pleased to have this opportunity to clarify Federal law as it applies to school buses. The National Highway Traffic Safety Administration (NHTSA) has the authority under the National Traffic and Motor Vehicle Safety Act to issue motor vehicle safety standards that apply to the manufacture and sale of new motor vehicles, including school buses. NHTSA has issued Federal motor vehicle safety standards applicable to all new school buses. It is a violation of Federal law for any person to sell any new motor vehicle that does not comply with all applicable safety standards. NHTSA does not have authority over the use and maintenance of school buses. However, the individual states do have such authority. For details on what requirements your state has in this area, you may wish to contact Mr. Mike Roscoe, Director of Pupil Transportation, Kentucky Department of Education, Frankfort, KY 40601. School buses used in interstate commerce may also be subject to standards issued by the Federal Highway Administration. For information on those standards, you may contact the Office of Motor Carrier Standards, Federal Highway Administration, Suite 3404, this address. I hope this information will be helpful to you. If you have any further questions regarding this matter, you may contact Walter Myers of my staff at this address or at (202) 366- 2992. Sincerely,
Paul Jackson Rice Chief Counsel Ref:#571 Schoolbuses d:9/l4/92 |
1970 |
ID: 7495aOpen Mr. Lyle Walheim, Lieutenant Dear Mr. Walheim: This responds to your letter seeking a clarification of whether Wisconsin's current requirements for the activation of stop signal arms on school buses would comply with the stop signal arm requirements set forth in Federal Motor Vehicle Safety Standard No. 131, School Bus Pedestrian Safety Devices. Your letter was prompted by my June 17, 1992 interpretation to Blue Bird Body Company. After evaluating the information provided in your letter, together with the information previously supplied by Blue Bird, we have reconsidered our assessment of the Wisconsin requirements. Subject to the qualifications discussed below, it is our reconsidered view that the Wisconsin requirements are not preempted by Standard No. 131 and that Blue Bird can continue to supply buses meeting Wisconsin's specifications, with the addition of the audible warning device described in Blue Bird's letter. The distinguishing feature of Wisconsin's requirement is that it ties the operation of the stop arm to the opening of the service door, not to the operation of the red flashing lamps. In practice, the lamps on a Wisconsin bus equipped with a four-lamp system would operate like those on a bus equipped with an eight-lamp system, with the red lamps (instead of yellow lamps) flashing while the bus is coming to a stop. Since S5.1.4(b)(ii) of Standard No. 108 requires the yellow lamps on an eight-lamp system to turn off automatically and the red lamps to turn on automatically whenever the entrance door opens, and since the red lamps on the Wisconsin buses would operate whenever the entrance door is open, the Wisconsin buses would conform to the requirements of Standard No. 108. That standard does not prohibit the flashing of red lamps on a four-lamp system while the service door is closed. For purposes of Standard No. 131, the question is whether there is any circumstance in which the stop arm may be deactivated while the red lamps are flashing. From the standpoint of practicality, we agree with you that the stop arm should not function before the bus has stopped and the driver has opened the service door. We further believe it is consistent with the purpose of the standard for the stop arm to be deactivated on a Wisconsin bus before the bus stops, even though the bus's red lamps may be flashing. To reconcile this view with the language of the standard, however, requires us to address the requirement of the standard that the arm must extend "at a minimum whenever the red signal lamps required by S5.1.4 of Standard No. 108 are activated. . . ." Standard No. 131 expressly contemplates a situation in which the stop arm would not automatically extend despite the operation of the red lamps. The final clause of S5.5 provides that "a device may be installed that prevents the automatic extension of a stop signal arm." The question in Wisconsin's situation is whether the manual switch that activates the red signal lamps but not the stop arm would qualify as such a device. In our view, it does. Since the only time the red lamps are required by Standard No. 108 to operate is when the entrance door is open, and since the Wisconsin system would automatically extend the stop arm when the entrance door opens, we believe that the manual switch in the Wisconsin system can be fairly characterized as an override device that prevents the automatic extension of the stop signal arm until the red lamps are required to operate. For an override to be permitted, the device must comply with the other provisions set forth in S5.5, including the presence of a continuous or intermittent signal. I hope this information is helpful. If you have any further questions about NHTSA's safety standards, please feel free to contact Marvin Shaw of my staff at this address or by telephone at (202) 366-2992. Sincerely, Paul Jackson Rice Chief Counsel Ref:131 d:9/14/92 |
1992 |
ID: 7505Open Captain Robert A. Dewey Dear Captain Dewey: This responds to your letter of July 6, 1992, inquiring whether a device on your newly acquired police vehicles "which requires the operator to depress the brake pedal in order to remove the car from the park position with the shift lever" is required by Federal law or regulation, and whether you may deactivate the device. You explained in your letter that the Rochester Police Department has recently acquired 46 new police vehicles, each equipped with a device that requires the brake pedal to be depressed before the transmission can be shifted out of the park position. You stated that you were told by a local Ford dealer that the device was required by a Federal safety standard. You indicated that you recognize the safety advantage of such a feature for the general public, but you see some negative safety implications for police vehicle operators. For example, you believe that an officer under fire could be delayed by this device in responding to the situation. You are also concerned that the presence of the device on some but not all of your vehicles may cause confusion among your officers who drive different cars every day. Please be advised that the device in question is not required by Federal law or regulation. However, the vast majority of new passenger cars have this safety feature, which is intended to ensure that the driver's foot is on the brake pedal before the automatic transmission can be shifted from the "park" position. I have enclosed for your information a copy of a recent article concerning these devices which appeared in the Detroit News. Since these devices are not required by any Federal motor vehicle safety standard, there is no Federal requirement that prohibits you or a dealer from deactivating the device. If you decide to deactivate the device, however, we suggest that you consult with the manufacturer concerning how the device can be deactivated without otherwise affecting the vehicle. I trust this will clarify the matter for you. If you have any further questions on this issue, feel free to contact Walter Myers of my staff at this address or by telephone at (202) 366- 2992. Sincerely,
Paul Jackson Rice Chief Counsel ref:102 d:8/20/92 |
1992 |
ID: 7514Open Mr. Mark V. Schwartz Dear Mr. Schwartz: This responds to your request for an interpretation of 49 CFR Part 572, Anthropomorphic Test Dummies. Specifically, you were interested in the provisions for the Hybrid III test dummy set forth in Subpart E of Part 572. You noted that 572.36(g) provides that the thorax and knee impactor accelerometers "shall have the dimensions and characteristics of Endevco Model 7231c or equivalent." You provided a sheet setting forth dimensional and electrical response information for an accelerometer model produced by your company, the Entran EGE-72C-750. You then asked if the Entran EGE-72C-750 was "equivalent" to the Endevco Model 7231c, within the meaning of 572.36(g). I am pleased to have this opportunity to explain our regulation for you. Part 572 sets forth specifications with which all test dummies must comply if those dummies are to be used in this agency's compliance testing. In NHTSA's compliance testing to date, we have used only the Endevco Model 7231c for the thorax and knee impactor accelerometers. This should not be misinterpreted as suggesting that this agency believes that only this particular make and model of accelerometer will perform acceptably in compliance testing. Instead, it means that the agency has found that the Endevco Model 7231c performs acceptably in the intended shock environment, in terms of frequency response characteristics, damping, linearity, transverse sensitivity, reliability, repeatability, durability, etc. The dictionary defines "equivalent" as "equal in value, measure, force, effect, significance, etc." As noted above, NHTSA has used only the Endevco Model 7231c for the thorax and knee impactor accelerometers in the compliance testing to date. Thus, the agency has not made any determination of which accelerometers are equivalent to the Endevco Model 7231c. Until such time as the agency makes a determination about equivalent accelerometers, the issue of equivalency of your EGE-72C-750 model and the specified accelerometer model is a matter to be worked out between your company and prospective users of your company's accelerometers. As long as you can satisfy prospective users about the equivalence of your company's accelerometers, NHTSA will not review the use of any particular accelerometers in certification testing, unless the test results indicate a problem or problems caused by those accelerometers. I hope this information is helpful. If you have any further questions or need some additional information on this subject, please feel free to contact Steve Kratzke of my staff at this address or by telephone at (202) 366-2992. Sincerely,
Paul Jackson Rice Chief Counsel ref:572 d:29/92 |
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ID: 7532Open Mr. David H. Milligan Dear Mr. Milligan: This responds to your letter asking about the Federal requirements that apply to the "Car Seat Support," an item you manufacture for use with infant restraints. Background Your device appears to consist of a fabric covered block of foam approximately 18x4x3 inches in size. The marketing material you sent shows that your device is intended to be placed under the bottom rearmost edge of an installed rear-facing infant seat (bottom rearmost edge relative to the vehicle). The device would cause the restraint to tip more toward the front of the car. We understand that the device is intended for use with vehicles that have seat cushions that slant downward toward the seat back, such as in some small cars. Infant restraints are tested by NHTSA for compliance with Federal Motor Vehicle Safety Standard (FMVSS) No. 213, Child Restraint Systems, on an approximately horizontal vehicle seat cushion. (The "standard seat assembly" used to test the restraints is specified in S7.3 of Standard No. 213, copy enclosed.) A downward- slanting vehicle seat cushion might cause an infant restraint to tip toward the rear of the car. This could result in the angle between an infant restraint's back support surface and the vertical to decrease, i.e., the back of the restraint might become more upright. If a restraint's back support surface becomes too upright, it might not be able to provide support to the infant's head and neck. The purpose of your product is to prop the bottom of a rear-facing infant restraint when the restraint is used with a downward-slanting vehicle seat, to ensure that the restraint bottom is horizontal. You state that consumers currently use items such as "blocks of wood" and "rolled up towels" to serve the same purpose as the Car Seat Support. NHTSA's Response There is currently no FMVSS that directly applies to the product you wish to manufacture and sell. FMVSS No. 213 applies only to new child restraint systems and not to aftermarket supporting devices. However, there are other Federal laws that indirectly affect your manufacture and sale of the device. Under the National Traffic and Motor Vehicle Safety Act, your product is considered to be an item of motor vehicle equipment. As a manufacturer of motor vehicle equipment, you are subject to the requirements in sections 151-159 of the Safety Act concerning the recall and remedy of products with safety related defects. I have enclosed an information sheet that briefly describes those responsibilities. In the event that you or NHTSA determines that your device contain a safety- related defect, you would be responsible for notifying purchasers of the defective equipment and remedying the problem free of charge. In addition, manufacturers, distributors, dealers, and motor vehicle repair businesses are subject to '108(a)(2)(A) of the Safety Act, which states: "No manufacturer, distributor, dealer, or motor vehicle repair business shall knowingly render inoperative ... any device or element of design installed on or in a motor vehicle or item of motor vehicle equipment in compliance with an applicable Federal motor vehicle safety standard ...." It appears unlikely from the nature of your product that it would be placed in vehicles by commercial businesses instead of child restraint owners. However, if your product were to be installed by persons in those categories, they should ensure that its installation does not compromise the safety protection provided by a child restraint system. The prohibition of '108(a)(2)(A) does not apply to the actions of vehicle owners in adding to or otherwise modifying their vehicles or items of motor vehicle equipment. Please note that we are concerned that your device might compromise the safety protection provided by an infant seat if the consumer is not provided clear information about the use of the product. The Car Seat Support you provided came with a label that has a picture of the device positioned under a rear-facing infant seat. There is no other instruction on the label on the use of the product. In the absence of clear instructions, there is the potential that consumers might misuse the Car Seat Support. For example, a consumer might not know that the restraint is intended for use with only a rear- facing restraint that needs a "support" to keep the bottom of the restraint horizontal when positioned on a vehicle seat. Without proper instructions, a consumer might use the Car Seat Support on an approximately horizontal vehicle seat cushion and thereby inappropriately tilt the restraint so that it does not provide sufficient crash protection. One means of reducing the likelihood of confusion about the proper use of the product would be for you to provide consumer instructions on the use of the Car Seat Support, such as on the purpose of the product, on the type of restraint and vehicle seat for which the device is intended, and on limiting how far rearward the restraint should be permitted to tilt. The picture of the Child Seat Support in use should be consistent with those instructions. I hope this information is helpful. If you have further questions, please contact Deirdre Fujita of my staff at (202) 366-2992. Sincerely,
Paul Jackson Rice Chief Counsel Enclosures ref:213 d:9/27/92
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1992 |
ID: 7535Open Ms. Becky Plank Dear Ms. Plank: This responds to your letter concerning Safety Standard No. 301, Fuel System Integrity. You stated that your association consists of dealers that modify vehicles for the disabled, and that one modification that they perform is lowering a floor on a full size van. You noted that wheelchair drivers sit higher than other drivers and that this modification is made to provide them a clear view through the windshield. According to your letter, a problem has arisen in making this modification in certain new Ford vans because their fuel tank is larger and mounted mid-ship. You stated, however, that upon realizing this situation, Ford designed an aftermarket fuel system that it believes complies with Standard No. 301. Noting that the OEM fuel fill line needs to be changed, along with the mounting brackets, as well as other fuel lines, you asked whether this lowered system must be crash tested due to the original system being changed. I am pleased to have the opportunity to explain our regulations to you. Some background information on Federal motor vehicle safety laws and regulations may be helpful. The National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1381 et seq., Safety Act) authorizes this agency to issue safety standards applicable to new motor vehicles and items of motor vehicle equipment. NHTSA, however, does not approve motor vehicles or motor vehicle equipment, nor do we endorse any commercial products. Instead, the Safety Act establishes a "self-certification" process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards. Under NHTSA's certification regulation (49 CFR Part 567), an alterer is a person who alters previously certified vehicles by means other than the addition, substitution, or removal of readily attachable components, or minor finishing operations, or in such a manner that the vehicle's stated weight ratings are no longer valid, before the first purchase of the vehicle in good faith for purposes other than resale. Assuming they are done prior to the first consumer purchase, the operations your members anticipate conducting to lower a Ford van's floor would make these companies alterers, and the operations would affect the vehicles' compliance with Standard No. 301. An alterer is required to certify that every vehicle it alters continues to comply with all applicable safety standards affected by the alteration. See 49 CFR Part 567.7. Alterers make this certification by affixing a permanent label on the altered vehicle, which identifies the alterer, the date of alteration, and states that, as altered, the vehicle continues to comply with all applicable safety standards. Alterers must have some independent basis for their certification that an altered vehicle continues to comply with all applicable safety standards. This does not necessarily mean that an alterer must conduct crash testing, even with respect to a Standard like Standard No. 301 that specifies dynamic test requirements. Certifications of continuing compliance for altered vehicles may also be based on, among other things, engineering analyses, computer simulations, actual testing, or instructions for alteration voluntarily provided by the original vehicle manufacturer in a "body builder's guide." In the situation at hand, if one of your members made the modifications recommended by Ford (the original vehicle manufacturer), then that member could base its certification of continuing compliance on Ford's representations that the van, with the modified fuel system, would comply with the applicable standards. If one of your members made modifications that differ from those recommended by Ford, then that member would need to base its certification of continuing compliance on some other facts that lead it to conclude that the vehicle, as altered, continues to comply with the standard. If you have any further questions, please feel free to call Mr. Marvin Shaw of my staff at (202) 366-2992. Sincerely, Paul Jackson Rice Chief Counsel Enclosure ref:301 d:9/l5/92 |
1970 |
Request an Interpretation
You may email your request to Interpretations.NHTSA@dot.gov or send your request in hard copy to:
The Chief Counsel
National Highway Traffic Safety Administration, W41-326
U.S. Department of Transportation
1200 New Jersey Avenue SE
Washington, DC 20590
If you want to talk to someone at NHTSA about what a request for interpretation should include, call the Office of the Chief Counsel at 202-366-2992.
Please note that NHTSA’s response will be made available in this online database, and that the incoming interpretation request may also be made publicly available.