See also:

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. ...

Switching DVD system on/off
Press the button on the CD-/DVD player or under the desired screen. The DVD system switches on automatically when a CD or DVD is inserted. ...

Overview, Instrument cluster with enhanced features
1 Fuel gauge 2 Speedometer 3 Indicator/warning lamps 4 Tachometer 5 Engine oil temperature 6 Electronic displays 7 Display/reset miles ...