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NHTSA Proposes Tire Pressure Monitoring Systems

LCT Staff
Posted on July 31, 2001

The U.S. Department of Transportation?s National Highway Traffic Safety Administration (NHTSA) has proposed a federal motor vehicle safety standard requiring the installation of tire pressure monitoring systems. The vehicles affected would include new passenger cars, light trucks, buses and multipurpose passenger vehicles with gross vehicle weight ratings of 10,000 pounds or less to warn the driver when the vehicle has a significantly under-inflated tire.

There are two proposed alternatives for the regulation and the final rule will include one of these versions. The first alternative is that the driver be warned when the pressure in one or more tires, up to a total of four tires, has fallen to 20 percent or more below the vehicle manufacturer?s recommended cold inflation pressure for the vehicle?s tires, or a minimum level of pressure to be specified in the new standarad, whichever is higher.

(More information on this story can be found in the September issue of LCT)

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