Buick 1995 Century Owner's Manual page 234

2. Engage the two blades on the lamp into the slots on
the headlamp while engaging the two pins at the rear
of the lamp openings into the sockets on the rear of
the lamp. The lamp is now in place.
3. Insert a screwdriver into the loop on the latch spring.
Pull the spring to the rear and slightly center of the
vehicle until the detent engages
into
the notch.
Taillight Bulb Replacement (Sedan)
For the type of bulb, see the Index under "Replacement
Bulbs."
Replacing bulbs in the taillight housing is very difficult,
and we recommend that you see your dealer when you
need a bulb replaced.
Taillight Bulb Replacement (Wagon)
For the type of bulb, see the Index under "Replacement
Bulbs."
1. Open the liftgate.
2. Remove the three Phillips head screws.
3. Pull the taillight housing away from the body of the
vehicle.