Display messages
Possible causes/consequences and
M
M
Solutions
Â
Key not detected
Key not detected
(white display message)
The key is currently undetected.
X
Change the location of the key in the vehicle.
If the key still cannot be detected:
X
Operate the vehicle with the key in the ignition lock if necessary.
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Key not detected
Key not detected
(red display message)
The key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle cen-
trally or start the engine.
X
Stop the vehicle immediately, paying attention to road and traffic
conditions.
X
Secure the vehicle against rolling away (
Y
page 168).
X
Locate the key.
Because there is interference from a strong source of radio waves, the
key is not detected whilst the engine is running.
A warning tone also sounds.
X
Stop the vehicle immediately, paying attention to road and traffic
conditions.
X
Secure the vehicle against rolling away (
Y
page 168).
X
Insert the key into the ignition lock and bring into key mode.
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Remove
Remove starting
starting but‐
but‐
ton,
ton, then
then insert
insert key
key
R
The key detection function has a temporary malfunction or is faulty.
R
The key is continually undetected.
A warning tone also sounds.
X
Insert the key into the ignition lock and turn it to the desired posi-
tion.
X
Consult a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster
General notes
Some systems carry out a self-diagnosis when the ignition is switched on. Several warning and
indicator lamps can thereby temporarily light up or flash. This behaviour is non-critical. These
warning and indicator lamps only indicate a malfunction if they light up or flash after the engine is
started or during a journey.
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Warning and indicator lamps in the instrument cluster
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