See also:

Operation
Adjusting the volume Turn the knob until the desired volume is reached. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphon ...

Adjusting volume
Turn knob 1next to the CD/DVD player until the desired volume is obtained. You can also adjust the volume with buttons on the steering wheel. ...

Clean the windshield, headlamps
Pull the lever. The system sprays washer fluid on the windshield and activates the wipers briefly. In addition, the headlamps are cleaned at regular intervals when the vehicle lights are switc ...