See also:

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. ...

Geartronic–manual shifting
Geartronic allows you to manually shift among your vehicle's six forward speeds. Geartronic can be selected at any time. To access the manual shifting position from Drive (D), move the gear ...

Storing a channel
A total of 20 satellite channels can be stored; 10 channels each for Sirius 1 and 2, see page 215 for detailed information on storing channels. • A long press on one of the number keys stores ...