Problems with the SmartKey
Problem
Possible causes/consequences and
M
M
Solutions
It is no longer possible to
lock the vehicle using
the key.
The turn signals do not
flash when the vehicle is
locked.
The doors are not closed properly.
X
Close the doors properly and lock the vehicle again.
The central locking system has malfunctioned.
X
Lock the vehicle using the mechanical key (
Y
page 70) or press
down the locking knob and then close the doors.
X
Have the central locking system checked as soon as possible at a
qualified specialist workshop.
It is no longer possible to
lock or unlock the vehi-
cle using the key.
The key battery is weak or discharged.
X
Point the tip of the key at the driver's door handle from very close
range and press the
%
or
&
button.
If this does not work:
X
Replace the key battery (
Y
page 70).
or
X
Lock or unlock the vehicle using the mechanical key (
Y
page 70).
The key is faulty.
X
Lock the vehicle with the mechanical key (
Y
page 70).
X
Have the key checked at a qualified specialist workshop.
The engine cannot be
started using the key.
The on-board voltage is too low.
X
Switch off all non-essential consumers, such as interior lighting, and
try to start the engine again.
If this does not work:
X
Check the starter battery and charge it if necessary (
Y
page 254).
or
X
Jump-start the vehicle (
Y
page 263).
or
X
Consult a qualified specialist workshop.
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 mechanical locks replaced.
You have lost the
mechanical key.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the mechanical locks replaced.
72
SmartKey
Opening
and
clo
sing