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Problems with the key
Problem
You can no longer lock or
unlock the vehicle using
the key.
You can no longer lock or
unlock the vehicle using
KEYLESS-GO.
Possible causes/consequences and M M Solutions
The key battery is discharged or nearly discharged.
Check the key battery (
X
(
page 87).
Y
If this does not work:
Unlock (
page 92) or lock (
X
Y
emergency key element.
There is interference from a powerful source of radio waves.
Unlock (
page 92) or lock (
X
Y
emergency key element.
The key is faulty.
Unlock (
page 92) or lock (
X
Y
emergency key element.
Have the key checked at a qualified specialist workshop.
X
KEYLESS-GO was deactivated.
Reactivate KEYLESS-GO (
X
The key battery is discharged or nearly discharged.
Check the key battery (
X
(
page 87).
Y
If this does not work:
Unlock (
page 92) or lock (
X
Y
emergency key element.
There is interference from a powerful source of radio waves.
Unlock (
page 92) or lock (
X
Y
emergency key element.
There is a fault with KEYLESS-GO.
Lock/unlock the vehicle using the remote control function of the
X
key.
Have the vehicle and key checked at a qualified specialist work-
X
shop.
If the vehicle can also not be locked/unlocked using the remote con-
trol function:
Unlock (
page 92) or lock (
X
Y
emergency key element.
Have the vehicle and key checked at a qualified specialist work-
X
shop.
page 87) and replace if necessary
Y
page 93) the vehicle using the
Y
page 93) the vehicle using the
Y
page 93) the vehicle using the
Y
page 85).
Y
page 87) and replace if necessary
Y
page 93) the vehicle using the
Y
page 93) the vehicle using the
Y
page 93) the vehicle using the
Y
Key
89
Z
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