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44
Opening and closing
Problems with the key
Problem
It is no longer possible to
lock the vehicle using the
key.
The turn signal lamps do
not flash when the vehi‐
cle is locked.
It is no longer possible to
lock or unlock the vehicle
using the key.
The engine cannot be
started using the key.
You have lost a key.
You have lost the emer‐
gency key.
Possible causes/consequences and
Possible causes:
The doors are not closed properly.
R
Close the doors properly and lock the vehicle again.
#
Possible causes:
The central locking system has malfunctioned.
R
Lock the vehicle using the emergency key (
#
down the safety pins and then close the doors.
Have the locking system checked at a qualified specialist workshop.
#
Possible causes:
The key battery is weak or discharged.
R
The key is faulty.
R
Point the tip of the key at the driver's door handle from very close
#
range and press the % or & button.
If this does not work:
Replace the key battery (
#
or
Use the emergency key to unlock and lock the vehicle (
#
Have the key checked at a qualified specialist workshop.
#
Possible causes:
The on-board electrical system voltage is too low.
R
Switch off all non-essential consumers, such as interior lighting, and
#
try to start the engine again.
If this does not work:
Check the starter battery and charge it, if necessary (
#
or
Jump-start the vehicle (
/
#
or
Consult a qualified specialist workshop.
#
Have the key deactivated at a qualified specialist workshop.
#
If necessary, have the mechanical locks replaced.
#
Report the loss immediately to the vehicle insurers.
#
If necessary, have the mechanical locks replaced.
#
M M
Solutions
page 43) or press
/
page 43).
/
page 191).
page 43).
/
page 191).
/
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