See also:

Actions in the event of a flat tire
Run-flat tires You can continue driving with a damaged tire at speeds up to 50 mph/80 km/h. Do not continue driving without run-flat tires If the vehicle is not equipped with run-flat tires ...

Requirements
Via the Control Display, set a language that is also supported by the voice activation system so that the spoken commands can be identified. Set the language ...

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