See also:

Entering a phone number
Dialing a number 1. "Telephone" 2. "Dial number" 3. Select the digits individually. 4. Select the symbol. The phone number can also be entered by voice. ...

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 ...

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. ...