This function is used to reset a safety lock or the overheating protection. Causes of the parking/auxiliary heater being locked may be the following:
Disconnection due to too low voltage.
Overheating protection has been activated.
Too little fuel in the tank.
Identification of a collision event.
Test conditions:
Ignition on, engine off.
Battery voltage above 12V.
Procedure:
Start the function.
The function is done.
If the function fails, check the test conditions and repair any faults.