Mercedes-Benz 2001 C 320, Operator'S Manual

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93
Controls in detail
Locking and unlocking
Global locking
왘
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
왘
Press and hold buttons
Œ
and
‹
simultaneously for about six seconds
until battery check lamp
4
flashes
twice.
Checking the batteries
왘
Press button
‹
or
Œ
.
Battery check lamp
4
comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
!
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.
앫
Check the batteries in the
SmartKey and replace them if
necessary (
컄
page 383).
앫
Use the mechanical key to unlock
the driver’s door (
컄
page 377).
앫
Use the mechanical key to lock the
driver’s door (
컄
page 379).
앫
Have the vehicle battery and the
battery connections checked
(
컄
page 401).
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.
i
If battery check lamp
4
does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
컄
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.