The residual heat function is available.
The vehicle is parked.
The coolant temperature is sufficiently high.
It is possible to make use of the residual heat from the engine to continue heating or ventilating the front compartment of the vehicle for approximately 30 minutes, depending on the temperature set.
The residual heat function automatically switches off after some time.
If residual engine heat utilisation is activated, the two buttons for setting the temperature and air distribution are automatically deactivated.