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 discharged or nearly discharged.
X
Check the key battery (
Y
page 77) and replace if necessary
(
Y
page 77).
If this does not work:
X
Unlock (
Y
page 82) or lock (
Y
page 82) the vehicle using the
emergency key element.
There is interference from a powerful source of radio waves.
X
Unlock (
Y
page 82) or lock (
Y
page 82) the vehicle using the
emergency key element.
The key is faulty.
X
Unlock (
Y
page 82) or lock (
Y
page 82) 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.
KEYLESS-GO has been deactivated.
X
Reactivate KEYLESS-GO (
Y
page 75).
The key battery is discharged or nearly discharged.
X
Check the key battery (
Y
page 77) and replace if necessary
(
Y
page 77).
If this does not work:
X
Unlock (
Y
page 82) or lock (
Y
page 82) the vehicle using the
emergency key element.
There is interference from a powerful source of radio waves.
X
Unlock (
Y
page 82) or lock (
Y
page 82) the vehicle using the
emergency key element.
There is a fault with KEYLESS-GO.
X
Lock/unlock the vehicle using the remote control function of the
key.
X
Have the vehicle and key checked at a qualified specialist work-
shop.
If the vehicle cannot be locked/unlocked even using the remote con-
trol function:
X
Unlock (
Y
page 82) or lock (
Y
page 82) the vehicle using the
emergency key element.
X
Have the vehicle and key checked at a qualified specialist work-
shop.
Key
79
Opening
and
closing
Z
