See also:

The concept
The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

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. ...

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. ...