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.
The ignition is switched on.
Before setting your departure time, make sure that the clock on the on-board computer is set to the correct time. Otherwise, the auxiliary heating will switch on at the wrong time and possibly in an unsuitable location. When setting your departure time, you should also observe the notes on auxiliary heating.
Use the buttons on the steering wheel.
or 
button to select the Settings menu. 
or 
button to select Heating. 
button to confirm. The display will show the current settings for the auxiliary heating.
If no departure time has been enabled, the display will show No preselection.
If a departure time has been enabled, the display will show its code letter, e.g. Departure time A, and the set departure time enabled.
button again. The display will show the current settings in the Departure time list.
or button to select one of the three departure times and confirm your selection with the button. The display will show the code letter and the set departure time enabled.
or button to select No preselection and confirm your selection with the button. or button to select Change A, for example, and confirm your selection with the button. or button to switch between hours and minutes. or button to set the hours or minutes. button to confirm. The changed departure time will then be enabled. The display will show the relevant code letter along with the changed time.