Pontiac 2002 Grand Prix Owner's Manual page 67

Power Door Locks To unlock all doors from inside the vehicle, press the
front of the power door lock switch on either front door.
-
If your vehicle is equipped with a content theft deterrent
system and it is armed, the power door lock switch will
not unlock the doors until the system is disarmed. See
-
"Content Theft Deterrent" in the Index for more
information on disarming the system.
You can lock all doors from inside the vehicle by
pressing the rear of the power lock switch on either front
door. If your vehicle is equipped with the content
-
theft deterrent system, it may be programmed to arm the
system when the rear of the power lock switch is
-
pressed. See "Content Theft Deterrent System" in the
Index for more details.
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