Mercedes-Benz 2008 GL 450 Operator's Manual page 115

Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press button Œ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of un-
locking if
neither door nor tailgate is opened
the SmartKey is not inserted in the
starter switch
the central locking switch is not
activated
114
Global locking
Press button ‹.
With the tailgate and all doors closed,
the turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressing button Πonly unlocks the
driver's door and the fuel filler flap.
Press and hold buttons Œ and ‹
simultaneously for about 5 seconds
until battery check lamp 5
( page 112) flashes twice.
The SmartKey will then function as
follows:
Unlocking driver's door and fuel filler
flap
Press button Πonce.
All turn signal lamps flash once. The
locking knob in the driver's door moves
up. The anti-theft alarm system is
disarmed.
Global unlocking
Press button Πtwice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.