Activating/deactivating the residual heat function

The residual heat function is only available in vehicles for Canada with automatic climate control.

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.

speed The blower will run at a low speed regardless of the airflow setting.

heat function If you activate the residual heat function at high temperatures, only the ventilation will be activated. The blower runs at medium speed.

0 in the ignition lock or remove it. Turn the SmartKey to position 0 in the ignition lock or remove it.
button. To activate: press the The indicator lamp in the  button button.
The indicator lamp in the lights up. button lights up.
button. To switch off: press the The indicator lamp in the  button button.
The indicator lamp in the goes out. button goes out.

automatically: 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:

    Activating/deactivating Lane Keeping Assist
    You can use the Lane Keep. Asst. function to activate/deactivate Lane Keeping Assist or Active Lane Keeping Assist. Press the or button on the steering wheel to select the DriveAssist me ...

    Problems with the occupant classification system
    Problem Possible causes/consequences and Solutions The indicator lamp illuminates and remains illuminated. The person on the front-passenger seat: • has the weig ...

    Unlocking the trunk (mechanical key)
    The trunk lid swings upwards when opened. Therefore, make sure that there is sufficient clearance above the trunk lid. If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use the ...