Keys, doors and windows
23
Notice
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The battery voltage is too low.
To save battery power, the keyless
functions are set to stand-by after 21
days of non-use. To reactivate the
functions, press a button on the
electronic key.
Overload of the central locking
system by operating at frequent
intervals, the power supply is
interrupted for a short time.
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Interference from higher-power
radio waves from other sources.
Replacing battery in electronic
key
To rectify the cause of the fault,
change the position of the electronic
key.
Replace the battery as soon as the
system no longer operates properly
or the range is reduced. The need for
battery replacement is indicated by a
message in the Driver Information
Centre 3 106.
1. Remove the cover.
Central locking system
2. Extract the flat battery from its
location.
Unlocks and locks doors, load
compartment and fuel filler flap.
3. Replace battery with a battery of
the same type. Pay attention to
the installation position.
A pull on an interior door handle
unlocks the respective door. Pulling
the handle once more opens the door.
4. Clip the cover in place.
Notice
Fault
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
Notice
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Fault in electronic key.
Electronic key is out of reception
range.
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been