See also:

Replacing batteries in the headphones
The headphones use two AAA batteries. It is advisable to have extra batteries on hand during long trips. Battery cover and retaining screw 1. Unscrew the retaining screw and remove the batter ...

Using voice commands
The driver initiates a voice command dialogue by pressing the voice control button (see the illustration on page 240). When a dialogue has been initiated, commonly used commands will be shown in th ...

The alarm system
The alarm is automatically armed whenever the vehicle is locked with the remote key or optional Personal Car Communicator. When armed, the alarm continuously monitors a number of points on the vehi ...