Problems with the key
Problem Possible causes/consequences and M Solutions
You cannot lock or
unlock the vehicle
using the key.
The key battery is discharged or nearly discharged.
X
Try again to lock/unlock the vehicle using the remote control
function of the key. Point the tip of the key at the driver's door
handle from close range and press the % / & button.
If this does not work:
X
Check the key battery (Y page 91) and replace it if necessary
(Y page 91).
X
Lock (Y page 96) or unlock (Y page 97) the vehicle using
the emergency key element.
The key is faulty.
X
Lock (Y page 96) or unlock (Y page 97) 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.
There is interference from a powerful source of radio waves.
X
Lock/unlock the vehicle using the remote control function of
the key. Point the tip of the key at the driver's door handle from
close range and press the % / & button.
There is a fault with KEYLESS-GO.
X
Lock/unlock the vehicle using the remote control function of
the key. Point the tip of the key at the driver's door handle from
close range and press the % / & button.
X
Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X
Check the key battery (Y page 91) and replace it if necessary
(Y page 91).
X
Lock (Y page 96) or unlock (Y page 97) the vehicle using
the emergency key element.
You have lost a key.
X
Have the key deactivated at a qualified specialist workshop.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
You have lost the emer-
gency key element.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
Key
93
Opening and closing
Z
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