20 Keys, locks and alarm system › Key
Fold out the key bit.
Release the battery
cover with your
thumbnail or by insert-
ing a flat-head screw-
driver at the marked
points.
Open the battery cov-
er.
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Keys, locks and alarm system
Key
Key Overview
Locking the vehicle
Operating the boot
lid
Unlocking the vehi-
cle
›
Remove the battery.
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Battery status warn-
ing light
Locking button for
folding the key bit
in/out
A
B
Press any button on
the remote key to re-
set the key.
Insert the new battery.
›
›
Fit the battery cover
and press until it clicks
into place.
NOTICE
Protect the key from moisture and strong vibra-
tions.
Keep the grooves in the key clean.
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▶
WARNING
Risk of death!
The effective range of the key signal is about
30 m. The effective range can be reduced, e.g. due to
If the battery is swallowed, serious or even fatal inju-
ries can result from burns in the digestive tract.
signal interference from other transmitters.
Always keep children away from the vehicle key
and batteries.
If the battery is swallowed, seek medical help im-
mediately.
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Troubleshooting
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The battery in the key is almost empty
After pressing a button on the key, the warning
▶
light does not flash.
Central locking
Functionality
Or:
A message stating it is necessary to change the
▶
battery will be displayed.
Central locking system
The system unlocks and locks all doors, the fuel filler
flap and the boot lid at the same time.
Replace the battery » page 20.
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The vehicle cannot be unlocked or locked with the
remote control
There may be the following reasons:
Unlock indicator: double flashing of the indicator
lights.
The battery in the key is empty.
Replace the battery » page 20.
The key is not synchronized.
▶
Lock indicator: single flashing of the indicator lights.
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▶
The warning light in the driver's door will flash for
about 2 seconds in quick succession after the vehicle
is locked, then it will start flashing regularly at longer
intervals.
Synchronize the key as follows:
Press any button on the key.
Unlock the door within 1 minute with the key via
the locking cylinder » page 22.
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If none of the doors or the boot lid is opened
within 45 seconds of unlocking, the vehicle automat-
ically locks again.
If necessary, the key must be synchronized if a
favoured button on the key has been repeatedly
pressed outside of the effective range of the remote
control.
SAFE function
Depending on the equipment, the central locking
system can include the SAFE function.
The SAFE function prevents the doors from opening
from the inside once the vehicle is locked.
Changing the key battery
The SAFE function is activated when the vehicle is
locked from the outside.
The new battery must comply with the specification
of the original battery.