Auxiliary heating/ventilation: currently unavailable. Battery voltage too low.
If this message appears, the vehicle battery is not sufficiently charged. In this case, the engine must be switched on in order to use the auxiliary heating/ventilation.
Auxiliary heating/ventilation: currently unavailable. Not enough fuel
To conserve fuel, the auxiliary heating cannot be switched on if the fuel level is low.
Auxiliary heating/ventilation: fault. Not available
If this message appears, a system malfunction has occurred. Drive to a qualified workshop soon and have the fault rectified.