Problems with the key
Problem
Possible causes/consequences and
M
M
Solutions
You can no longer lock or
unlock the vehicle using
the key.
The key battery is weak or discharged.
X
Vehicles without KEYLESS-GO or KEYLESS-GO start function:
try again to lock/unlock the vehicle using the remote control func-
tion of the key. Point the tip of the key at the driver's door handle
from close range and press the
%
or
&
button.
If this does not work:
X
Check the key battery (
Y
page 82) and replace if necessary
(
Y
page 82).
X
Unlock (
Y
page 88) or lock (
Y
page 88) the vehicle using the
emergency key element.
There is interference from a powerful source of radio waves.
X
Vehicles without KEYLESS-GO or KEYLESS-GO start function:
try again to lock/unlock the vehicle using the remote control func-
tion of the key. Point the tip of the key at the driver's door handle
from close range and press the
%
or
&
button.
If this does not work:
X
Unlock (
Y
page 88) or lock (
Y
page 88) the vehicle using the
emergency key element.
The key is faulty.
X
Unlock (
Y
page 88) or lock (
Y
page 88) the vehicle using the
emergency key element.
X
Have the key checked at a qualified specialist workshop.
You can no longer lock or
unlock the vehicle using
KEYLESS-GO.
The key battery is weak or discharged.
X
Check the key battery (
Y
page 82) and replace if necessary
(
Y
page 82).
If this does not work:
X
Unlock (
Y
page 88) or lock (
Y
page 88) the vehicle using the
emergency key element.
There is interference from a powerful source of radio waves.
X
Unlock (
Y
page 88) or lock (
Y
page 88) the vehicle using the
emergency key element.
84
Key
Opening
and
closing
