See also:

Centrally locking and unlocking the vehicle from the inside
You can centrally lock or unlock the vehicle from the inside. The central locking/unlocking button does not lock or unlock the fuel filler flap. You cannot unlock the vehicle centrally from the ...

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 messa ...

Activating audio CD/DVD or MP3 mode
Option 1 Insert a CD/DVD or an SD card or connect a USB device. COMAND loads the medium inserted and starts to play it. Option 2 Press the function button once or twice. Select an aud ...