WebMotor vehicle collision (MVC) is one of the most common causes of thoracolumbar junction (TLJ) injury. 41. (49 CFR part 512). For example, how would such an alert function if there were multiple rear-seat occupants? Moving Ahead for Progress in the 21st Century Act (MAP-21), Public Law 112-141 (2012). 7. Volvo, Toyota, Mazda, Ford and Jaguar Land Rover offer vehicles for sale in the U.S. with rear seat belt warning systems. Since seat belt warning systems are generally initiated at the beginning of a trip (i.e., when the ignition switch is moved to the on or start position) so as to assure that occupants are safely restrained prior to any potential vehicle crash, this is perhaps the most intuitive approach for rear seat belt warnings as well. 0000003571 00000 n 30111, to submit a report to Congress describing the reasons for not prescribing such a standard. 2007 Motor Vehicle Occupant Safety Survey, Volume 2, Seat Belt Report. Rear seats are used in ways that complicate occupant detection. NHTSA's research suggests that audible warnings in conjunction with visual warnings are generally more effective than text or icons alone, but are also more intrusive. Washington, DC: U.S. Department of Transportation, National Highway Traffic Safety Administration, p. 89. DOT 2009 Belt Warning Study, supra, p. 57. Occupant detection is utilized by the advanced air bags to properly classify the occupant in the seat (e.g., child, adult, small-statured adult) so that the advanced frontal air bag systems can determine if and with what level of power the front air bag will inflate. Alternative warning systems. 11. 2007. Each of these systems could have strengths and limitations. The agency received 26 comments. 22. With respect to comments that identify an innovative seat belt warning system differing from the current driver's seat belt warning and current production front and rear passenger seat belt warnings, NHTSA seeks comment on such possibilities, and the effectiveness of any such alternative. 21. See, e.g., DOT 2009 Belt Warning Study, supra, pp. when night time driving conditions exist, drivers do not need to adjust their driving, when the train has passed, start up right away; never look for another train on the same track or another track.
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