See also:

Slippery road surfaces
WARNING   The outside temperature indicator is not designed to serve as an ice-warning device and is therefore unsuitable for that purpose. Indicated temperatures just above the freezin ...

Warning and display messages in the multifunction display
Activate ATTENTION ASSIST using the onboard computer. Symbol 1 appears in the multifunction display. If ATTENTION ASSIST is active, you will be warned no sooner than 20 minutes after your ...

Activating/deactivating
Turn the SmartKey to position 2 in the ignition lock. To switch on: press the button. The indicator lamp in the button lights up. Airflow and air distribution are set to automatic mode. ...