See also:

Operation
Steering wheel-mounted controls and display 1 Standby mode 2 Resume set speed 3 Deactivating 4 Activate/set speed 5 Set speed indicator (parentheses indicate standby mode) ...

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. ...

Steering wheel keypad
Standard steering wheel keypad 1 - Left/right arrow keys: A short press moves between preset radio stations or tracks on a disc. Press and hold to search within tracks or to tune to the next/prev ...