Setting the rear-compartment airflow using the front control panel
Turn the SmartKey to position 2 in the
ignition lock.
Activate the 
rear compartment
function via COMAND.
The rear-compartment climate control can
be controlled via the front control panel
using the rear compartment
function.
To increase/reduce: press the
rocker switch up or down.
See also:
Adding DEF
WARNING
Make sure
• DEF does not come into contact with skin, eyes, or clothing
• to keep DEF out of the reach of children If you and/or others have come into
contact with DEF:
• If DEF ...
Setting the airflow
► Turn the SmartKey to position 2 in the
ignition lock.
► To increase/reduce: press the
button.
Vehicles with Voice Control System: when the
Voice Control System is switched on, the
...
Safety systems
Problem
Possible causes/consequences and •► Solutions
(USA only)
(Canada only)
The red brake system
warning lamp comes on
while the engine is
running. A warning ...