See also:

Charging the battery
In the vehicle, only charge the battery via the terminals, in the engine compartment with the engine off. ...

Resetting the tone settings
All tone settings can be reset to the default setting. 1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Reset" ...

Entering a street or intersection separately
Enter a street and intersection in the same way as you would enter a town/city. ...