Mercedes-Benz 2003 C-Class Wagon Operator's Manual page 79

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You can also open and close the power
windows ( page 186) and slid-
ing/pop-up roof ( page 188) using
the SmartKey.
!
To prevent possible malfunction, avoid
exposing the key to high levels of elec-
tromagnetic radiation.
Factory setting
Global unlocking
Press button Π.
All turn signal lamps blink once. The
locking knobs in the doors move up.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor tailgate is
opened, the SmartKey is not inserted in
the starter switch, or the central locking
switch is not activated.
Global locking
Press button ‹ .
All turn signal lamps blink three times.
The locking knobs in the doors move
down.
Selective setting
If you frequently travel alone, you may wish
to reprogram the key so that
pressing Πonly unlocks the driver's
door and the fuel filler flap.
Press and hold buttons Œ and ‹
simultaneously for about five seconds
until battery check lamp 4 blinks twice.
The key will then function as follows:
Unlocking driver's door and fuel filler
flap
Press button Πonce.
Global unlocking
Press button Πtwice.
Global locking
Press button ‹ .
Controls in detail
Locking and unlocking
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp 4 blinks twice.
Warning!
When leaving the vehicle, always remove the
key from the starter switch, and lock the ve-
hicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. It is possible for children to open a
locked door from the inside, which could re-
sult in an accident and/or serious injury.
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