See also:

Radio text
Some stations transmit information on program content, artists, etc. This information can be shown on the display. Activate/deactivate in FM mode under Show radio text. ...

Low battery voltage
If the battery voltage is too low, the parking brake cannot be applied or released. Connect an auxiliary battery if the battery voltage is too low, see page 114. ...

Activation
PAC is activated when the gear selector is moved to R if the system is selected in the MY CAR menu system or by pressing the CAM button in the center console. See page 133 for a description ...