See also:

General information
Portable electronic devices in the vehicle may seriously impair radio reception. ...

Checking the battery
Press the or button. The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is discha ...

Deactivating/activating ESP®
Observe the "Important safety notes" section (). WARNING ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the syste ...