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. ...

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks various functions so that they cannot be operated from the rear: safety switch. ...

Entering a phone number
Dialing a number When entering phone numbers, you can switch between entering letters and numbers. Service numbers can be entered more easily, e. g. 1-888-BMW-CARD. 1. "Telephone". 2 ...