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Keys, doors and windows
Driver Information Centre (DIC)
Replacing battery in electronic
Electronic key system
3 91 when the driver's door is
key
opened.
Replace the battery as soon as the
Additionally, the electronic key
system no longer operates properly
includes the functionality of the radio
or the range is reduced. The need for
remote control 3 20 and an entry
battery replacement is indicated by a
lighting function 3 101.
message in the DIC 3 91.
Handle with care, protect from
Battery replacement, see Radio
moisture and high temperatures and
remote control 3 20.
avoid unnecessary operation.
Fault
Notice
Do not put the electronic key in the
If the central locking system cannot
load compartment during driving, as
be operated or the engine cannot be
Enables a handsfree operation of the
this is outside of the detection zone
started, the cause may be one of the
following functions:
(indicated by a warning chime at low
following:
speed 3 92 and a message in the
● central locking system 3 23
● fault in electronic key
Driver Information Centre (DIC)
● load compartment 3 32
3 91).
● electronic key out of reception
range
● ignition switching on and starting
Handsfree operation is automatically
the engine 3 116
● battery voltage too low
disabled when the electronic key
The electronic key simply needs to be
buttons have been operated or the
● overload of the central locking
on the driver's person.
central locking switch e 3 23 is
system by operating at frequent
pressed. To re-enable handsfree
intervals, the power supply is
Notice
operation, restart the engine.
interrupted for a short time
Always take the electronic key with
you when exiting the vehicle.
Power button 3 116.
● interference from higher-power
radio waves from other sources
The electronic key being left in the
card reader is indicated by a warning
chime 3 92 and a message in the
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