Switch off any functions thatare not currently needed
Functions such as seat heating and the rear window defroster require a lot of energy and consume additional fuel, especially in city and stopand- go traffic.
Therefore, switch off these functions if they are not actually needed.
See also:
Adjusting
Vehicle
Equipment
...
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. ...
Multi-channel playback,
surround
Choose between stereo and multi-channel playback,
surround.
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
...