See also:

Applying
The lever automatically engages after being pulled up. ...

Starting the engine
Never use spray fluids to start the engine. 1. Start the engine of the assisting vehicle and let it run for several minutes at an increased idle speed. If the vehicle being started has a diesel ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...