Mercedes-Benz 2005 C 230 Kompressor Operator's Manual page 94

Global locking
Press button ‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem* is armed.
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp 4 flashes
twice.
!
If you can no longer lock or unlock the
vehicle with the SmartKey, then either
the batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.
Check the batteries in the
SmartKey and replace them if
necessary ( page 383).
Use the mechanical key to unlock
the driver's door ( page 377).
Use the mechanical key to lock the
driver's door ( page 379).
Have the vehicle battery and the
battery connections checked
( page 401).
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.
Controls in detail
Locking and unlocking
Checking the batteries
Press button ‹ or Œ.
Battery check lamp 4 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
i
If battery check lamp 4 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries ( page 383).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
i
If the batteries are checked within sig-
nal range of the vehicle, pressing
the ‹ or Œ button will lock or
unlock the vehicle accordingly.
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