See also:

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning ...

Deactivating/activating PARKTRONIC
Deactivating/activating PARKTRONIC 1 Indicator lamp 2 To deactivate/activate PARKTRONIC If indicator lamp 1 lights up, PARKTRONIC is deactivated. Parking Guidance is also deactivated. PARKT ...

Exterior mirror out of position
If an exterior mirror has been pushed out of position, proceed as follows: - Vehicles without electrically folding exterior mirrors: move the exterior mirror into the correct position manually. ...