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 ...

Cornering light function (Bi-Xenon headlamps)
Cornering light function (Bi-Xenon headlamps) Switch off the lights. Open the hood. Turn housing cover 1 counter-clockwise and pull it out. Turn bulb holder 2 counter-clockwise and pull ...

Hiding a service message
– Press the or button on the steering wheel. ...