391 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
FKey
Not DetectedThe SmartKey with KEYLESS-GO* is 
not recognized while the engine is 
running because:
The SmartKey with 
KEYLESS-GO* is not in the vehi-
cle.
There is strong radio-frequency 
interference.
Stop the vehicle in a safe location or as soon 
as it is safe to do so.
Search for the SmartKey with KEYLESS-GO*.
Otherwise the vehicle cannot be centrally 
locked nor can the engine be started again af-
ter the engine is stopped.
Operate the vehicle with the SmartKey with 
KEYLESS-GO* in the starter switch.
Key
Not DetectedThe SmartKey with KEYLESS-GO* is 
not recognized when attempting to 
start the engine with the 
KEYLESS-GO start/stop button* on 
the gear selector lever because:
The SmartKey with 
KEYLESS-GO* is not in the vehi-
cle.
The battery in the SmartKey 
with KEYLESS-GO* is not insert-
ed properly or completely dis-
charged.
Change the position of the SmartKey with 
KEYLESS-GO* in the vehicle.
Make sure the batteries in the SmartKey with 
KEYLESS-GO* are properly inserted 
(
page 407) and are not discharged 
(
page 113).
Start the engine with the SmartKey with 
KEYLESS-GO* in the starter switch if 
necessary.