Pontiac 1997 Grand Prix Owner's Manual page 78

Door Locks Front Door
Unlocked
doors can be dangerous.
Passengers
--
especially children
--
can
easily
open the doors and fall out. When
a
door is
locked, the inside handle won't open it.
Outsiders can easily enter through an unlocked
door when you
slow down or stop your vehicle.
This may not be so obvious: You increase the
chance of being thrown out of the vehicle in a
crash if the
doors aren't
locked. Wear safety belt:
properly, lock your doors, and you will be far
better off whenever you drive your vehicle.
To unlock either front door from outside the vehicle
with your key, insert it fully into the door key cylinder
and turn it toward the front.
You can lock either front door from outside the vehicle
with your key by inserting it fully into the rear door key
cylinder and turning it toward the rear.
There are several ways to lock and unlock your vehicle.
To unlock either front door from inside the vehicle,
rotate the lock lever back.
To lock either front door from inside the vehicle, slide
the lock lever forward.
2-4