Activating/deactivating the residual heat function
It is possible to make use of the residual heat of the engine to continue heating the stationary vehicle for up to 30 minutes after the engine has been switched off. The heating time depends on the temperature that has been set.
The blower will run at a low speed regardless of the airflow setting.
If you activate the residual heat function at high temperatures, only the ventilation will be activated. The blower runs at medium speed.
Turn the SmartKey to position 0 in the ignition lock or remove it.
To activate: press the rocker switch up or down.
The indicator lamp in the rocker switch lights up.
To deactivate: press the rocker switch up or down.
The indicator lamp in the rocker switch goes out.
Residual heat is deactivated
automatically:
• after about 30 minutes
• when the ignition is switched on
• if the battery voltage drops
• if the coolant temperature is too low
See also:
Defrosting the windshield
You can use this function to defrost the
windshield or to defrost the inside of the
windshield and the side windows.
You should only select the defrosting
function until the windshield is clea ...
Important safety notes
WARNING
For safety reasons, switch off the windshield
wipers and remove the key from the ignition
lock before changing the wiper blades
(vehicles with KEYLESS-GO: make sure that
the on-boar ...
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 ...