Vehicle
Display messagesPossible causes/consequences andMSolutions
Auxiliary BatteryMalfunctionThe auxiliary battery for the automatic transmission is no longer being
charged.
XVisit a qualified specialist workshop.
XUntil then, set the automatic transmission to position Pbefore you
switch off the engine.
XBefore leaving the vehicle, apply the electric parking brake.
&
Pre-Entry ClimateCtrl. (Via Smart‐Key) AvailableAgain After EngineStart
With the engine switched off, you have attempted to switch on the pre-
entry climate control more than twice.
XLet the engine run for ten seconds.
After running the engine, the pre-entry climate control is opera-
tional again.
&
Pre-Entry ClimateCtrl. (Via Smart‐Key)InoperativeHVBattery Low
The on-board voltage is too low. The pre-entry climate control cannot
be switched on.
XDrive for a longer distance.
The battery is being charged. When the condition of charge of the
high-voltage battery is over the specified minimum, pre-entry cli-
mate control is operational again.
Warning and indicator lamps in the instrument cluster
Safety systems
The information "while the engine is running" given in the vehicle Operator's Manual regarding the
signaling behavior of a warning/indicator lamp corresponds to the READY driving status. When a
warning/indicator lamp lights up in the READY driving status with the corresponding information,
the causes/consequences and solutions given in the vehicle Operator's Manual also apply to your
vehicle.
48Warning and indicator lamps in the instrument cluster
On-board computer and displays
