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 ...

Switching off automatically
The system switches off and the LED goes out: After approx. 33 ft/10 m when driving forward. Above approx. 9 mph/15 km/h when driving forward. Switch on the system again if necessary. ...

Audio playback
Selecting a track using the buttonPress the button for the appropriate direction as often as necessary until the desired track is reached. Selecting a track using iDriveAudio CDs 1.  " ...