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.

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

an hour after the SmartKey is removed. The vehicle is then ventilated for 30 minutes It is possible that the residual heat function may be activated automatically an hour after the SmartKey is removed. The vehicle is then ventilated for 30 minutes to dry the air-conditioning system.

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

    Engine
    Display messages   Top Up Coolant See Operator's Manual Possible causes/consequences and ► Solutions The coolant level is too low. ► Add coolant, observing the warning notes ...

    Important safety notes
    WARNING Only use carriers when the basic carrier bars have been completely mounted. The left and right roof rails are only stabilized by means of the basic carrier bars mounted. Follow the ma ...

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are ...