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.
See also:
Selecting a category
1. "Radio"
2. "Satellite radio"
3. "Category"
4. Select the desired category. ...
Terminating destination
guidance
1. "Navigation"
2. "Map"
3. "Guidance"
4. "Stop guidance" ...
Switching off automatically
The system switches off and the LED goes out:
After approx. 160 ft/50 m when driving forward.
Above approx. 22 mph/36 km/h when driving
forward.
Switch on the system again if necessary. ...