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Display messages
Possible causes/consequences and MM Solutions
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Key Not DetectedKey Not Detected
(red display message)
The SmartKey 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
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (Y page 158).
X
Locate the SmartKey.
Because there is interference from a strong source of radio waves, the
SmartKey is not detected whilst the engine is running.
A warning tone also sounds.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (Y page 158).
X
Insert the SmartKey into the ignition lock and drive in SmartKey
mode.
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Remove 'Start' But‐Remove 'Start' But‐
ton and Insert Keyton and Insert Key
R
The SmartKey detection function has a temporary malfunction or is
faulty.
R
The SmartKey is continually undetected.
A warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the desired
position.
X
Visit 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. Therefore, some indicator
and warning lamps may light up or flash temporarily. This behavior is non-critical. These indicator
and warning lamps only indicate a malfunction if they light up or flash after starting the engine or
whilst driving.
274
Warning and indicator lamps in the instrument cluster
On-board computer and displays
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