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X
Repeatedly tap the SmartKey against your
palm until battery = falls out.
X
Insert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth to
do so.
X
Make sure that the surface of the battery is
free of lint, grease and other contaminants.
X
Insert the front tabs of battery compartment
cover : into the housing first and then press
to close it.
X
Insert mechanical key ; into the SmartKey
(Y page 79).
X
Check the function of all SmartKey buttons on
the vehicle.
Problems with the SmartKey
Problem
Possible causes/consequences and MM Solutions
You can no longer lock or
unlock the vehicle using
the SmartKey.
The SmartKey battery is discharged or nearly discharged.
X
Check the SmartKey battery (Y page 80) and replace it if necessary
(Y page 80).
If this does not work:
X
Lock or unlock the vehicle using the mechanical key (Y page 84).
There is interference from a powerful source of radio waves.
X
Lock or unlock the vehicle using the mechanical key (Y page 84).
The SmartKey is faulty.
X
Lock or unlock the vehicle using the mechanical key (Y page 84).
X
Have the SmartKey checked at a qualified specialist workshop.
You can no longer lock or
unlock the vehicle using
KEYLESS-GO.
KEYLESS-GO was deactivated.
X
Reactivate KEYLESS-GO (Y page 78).
The SmartKey battery is discharged or nearly discharged.
X
Check the SmartKey battery (Y page 80) and replace it if necessary
(Y page 80).
If this does not work:
X
Lock or unlock the vehicle using the mechanical key (Y page 84).
There is interference from a powerful source of radio waves.
X
Lock or unlock the vehicle using the mechanical key (Y page 84).
SmartKey
81
Opening and closing
Z
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