Keys, doors and windows
9
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The battery voltage is too low.
Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly
or the range is reduced.
In the event of a discharged battery,
C illuminates in the instrument
cluster and a warning message is
displayed in the Driver Information
Centre.
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.
To rectify the cause of the fault,
change the position of the electronic
key.
Driver Information Centre 3 79.
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.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Notice
Fault
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
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Fault in electronic key.
Electronic key is out of reception
range.