See also:

Tone control
You can alter various tone settings, e.g. treble and bass or the speed-dependent volume increase. The tone settings are applied to all audio sources. The settings are stored for the remote control ...

ECO PRO
Consistent tuning to minimize fuel consumption for maximum range with maximum driving stabilization. Comfort functions and the engine controller are adjusted. The program can be configured to in ...

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. ...