If the tailpipe is blocked or sufficient ventilation is not possible, poisonous exhaust gases such as carbon monoxide may enter the vehicle. This is the case in enclosed spaces or if the vehicle gets stuck in snow, for example.
Flammable materials such as leaves, grass or twigs may ignite.
Operating the stationary heater or stationary ventilation drains the battery.
The fuel tank is filled above the reserve level.
If the temperature is not altered before the auxiliary heating is switched on, the last temperature setting will be adopted.
Blue – stationary ventilation is switched on
Red – the stationary heater is switched on
Yellow – a departure time is preselected
If the red or blue indicator lamp on the button lights up, the auxiliary heating is switched on.
If you switch on the auxiliary heating while the engine is running, you will activate the heater booster function of the auxiliary heating. The heater booster function supports the climate control system of your vehicle and helps to heat up the vehicle interior as quickly as possible.
At outside temperatures below -9°C, the heater booster function will be switched on automatically when the engine is started. The red indicator lamp on the button will light up. Until the engine is started again, the heater booster function can be switched off as described for the auxiliary heating. When you switch off the engine, the heater booster function will be switched off automatically.
The red or blue indicator lamp on the button will go out.