Search NHTSA Browse Topics Air Bags Brakes CAFE Child Seats Odometer Fraud Other Equipment Recalls/Defects Safety Testing/Ratings Safety Belts Test Procedures Tires Traffic Tech Publications Vehicle-Related Theft Quick Clicks Latest News and Updates Press Room Newest Studies and Reports Fuel Economy Locate a Child Seat Fitting Station Child Seat "Ease of Use" Ratings File a Complaint About Your Vehicle or Child Seat Recalls, Defects and Complaints Databases Teen Drivers About NHTSA Contact NHTSA << Vehicles & Equipment  Articles Formal Agreement Reached on Brake Transmission System Interlock (BTSI) (2/16/07) Includes lists of 2007 vehicles with and without BTSI Trailers: Federal Lighting Equipment Location requirements Trucks, Buses, MPVs: Federal Lighting Equipment Location Requirements International Symposium on Transportation Recorders Adapting Motor Vehicles For People With Disabilities  More On This Topic Towing a Trailer-Being Equipped for Safety Hitch Systems, Towing Packages, & Driving Permits  Studies/Reports Vehicle Backover Avoidance Technology Study - Report to Congress (November 13, 2006) Traction Control and Validation Test This report provides a review of automatic traction control systems (ATC) used on heavy commercial vehicles and shows how they are integrated with antilock brake systems and electronic engine controls in such a way as to prevent loss of stability and control caused by excessive drive-axle wheel slip. Head Restraints - Identification of Issues Relevant to Regulation, Design and Effectiveness  Frequently Asked Questions Bumpers: Everything You Ever Wanted to Know About Them Related Links Traction Control and Validation Test Compliance Testing Database Manufacturers' Information: Access to Car Manufacturer's Database Monthly Defect Investigation Reports Modifier's Identification Database

Web Policies & Notices  |   Terms of Use  |   FOIA  |   Privacy Policy  |   Cookie Policy  |   Accessibility  |   Email NHTSA  |   OIG Hotline