See also:

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without the brakes being applied, the vehicle moves at slightly more than twice walki ...

Hiding Check Control messages
Press the computer button on the turn signal lever. ▷ Some Check Control messages are displayed continuously and are not cleared until the malfunction is eliminated. If several malfun ...

Malfunction
HDC is temporarily unavailable in the following situations due to a high brake temperature: ▷ The LED in the button and the display HDC go out during HDC operation. ▷ The LED in the ...