Downhill And Hill-Start Assist Control Systems Enhance Off-Road Capability

September 11, 2008
The fourth-generation Toyota 4Runner sport utility vehicle (SUV) and firstgeneration Lexus GX 470 luxury utility vehicle, both launched for the 2003 model year, introduced numerous technological advancements. Among these all-new technologies were Hill-Start Assist Control (HAC) and Downhill Assist Control (DAC). Through one of the world’s first uses of active wheel speed sensors, HAC and DAC helped the 4Runner and GX 470 improve their off-road capability.

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