See also:

Telephone
...

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. ...

Example: playing back a CD
1. Switch on the Entertainment sound output if necessary. 2. Press the button on the steering wheel. 3. ›C D and multimedia‹ The medium last played is played back. 4. Press the button on t ...