See also:

Hazard warning lamps
The hazard warning lamps automatically switch on if:  - an air bag is deployed.  - the vehicle is slowed down severely from a speed of over 45 mph(70 km/h) and comes to a halt. ...

Important safety notes
Service products include the following:  - fuels (e.g. gasoline, diesel)  - additives for exhaust gas aftertreatment (DEF)  - lubricants (e.g. engine oil, transmission oil) ...

Switching the front climate control on/off using the front control panel
Turn the SmartKey to position 2 in the ignition lock. To activate: press the rocker switch up or down. The indicator lamp in the rocker switch goes out. The previously selected settings ...