Pontiac Vibe 2003 Owner's Manual page 72

To manually lock the door from the inside, press the
knob on the door forward. To unlock the door, press the
knob rearward. If you have manual locks, you must use
the key to lock and unlock the tailgate.
If your vehicle has power door locks, open the driver's
door by turning the key in the lock toward the rear of the
vehicle. Turning the key back toward the center, then
toward the rear again will unlock all of the doors. Using
the key in the passenger's door will also unlock all of
the doors.
Lock a door by turning the key toward the front of
the vehicle. If you have power door locks, all the
doors will lock.
Power Door Locks (Option)
Press the power door lock switch on the driver's or
passenger's door to lock or unlock all the doors at once.
The power door lock switch
is located on the armrest on
the door.
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