See also:

Panic mode
In dangerous situations, trigger the alarm system: Press the button on the remote control for at least 3 seconds. To switch off the alarm: press any button. ...

Example: dialing a phone number
1. Briefly press the button on the steering wheel. 2. ›Dial number‹ The system says: »Please say the number« 3. E.g., ›123 456 790‹ The system says: »123 456 790. Continue? « 4. ›Dial‹ T ...

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...