HHC – Hill Hold Control
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Hill Hold Control (HHC) is a system that holds the car stationary when facing up a hill – such as a highway ramp.
Hill Hold Control (HHC) is a system that holds the car stationary when facing up a hill – such as a highway ramp.
When the driver comes to a stop on a hill and applies the brakes the system will automatically continue holding the brakes on even when the driver releases the brake pedal, either for a few seconds or until the driver presses the accelerator.
This prevents the car from rolling backwards.