Please also familiarise yourself with the warning lamps described on ►Link onwards.
If the indicator lamp 
lights up, the combustion engine is running.
lights up, the combustion engine is running.
Drive system: system fault! Safely stop vehicleThere is a malfunction in the plug-in hybrid system. The brake servo and the power steering system could stop working. Stop your vehicle immediately in a safe place. You should have the malfunction repaired by a qualified workshop.
Electric system overheated. Safely stop vehicle and check coolantThe coolant level is too low or the coolant temperature is too high.
Stop your vehicle immediately in a safe place and check the coolant level ►Link.
Drive system: system fault! Please contact workshopThere is a malfunction in the plug-in hybrid system. Drive to a qualified workshop soon and have the fault rectified.
Drive system: system fault! No restart possible. Please contact workshopThere is a malfunction in the plug-in hybrid system. Do not open the bonnet. Drive to a qualified workshop without delay and have the fault rectified.
Battery temperature too low. Vehicle cannot be started. See owner's manualThe outside temperature is too low. The vehicle cannot be started at temperatures below -28 °C. Please contact a qualified workshop.
Warning! Limited performanceIf the indicator lamp lights up and the message appears, there may be a malfunction in the engine management system. In addition, the indicator lamp 
in the instrument cluster will light up. The engine power will be reduced. Drive to a qualified workshop without delay and have the fault rectified.
in the instrument cluster will light up. The engine power will be reduced. Drive to a qualified workshop without delay and have the fault rectified.
e-tron mode: EV mode currently unavailableThis driver message appears if you press the 
button and the conditions for electric driving are not fulfilled.
button and the conditions for electric driving are not fulfilled.