2004 BUICK CENTURY clock

When putting the fuel cap back on, turn it clockwise
until a click is heard. Make sure the cap is fully installed.
The diagnostic system can determine if the fuel cap
has been left off or improperly installed. This would allow
fuel to evaporate into the atmosphere. SeeMalfunction
Indicator Lamp on page 3-36.
{CAUTION:
If a re starts while you are refueling, do not
remove the nozzle. Shut off the ow of fuel by
shutting off the pump or by notifying the
station attendant. Leave the area immediately.
Notice:If you need a new fuel cap, be sure to get
the right type. Your dealer can get one for you.
If you get the wrong type, it may not t properly.
This may cause your malfunction indicator lamp to
light and may damage your fuel tank and emissions
system. SeeMalfunction Indicator Lamp on
page 3-36.
Filling a Portable Fuel Container
{CAUTION:
Never ll a portable fuel container while it is in
your vehicle. Static electricity discharge from
the container can ignite the gasoline vapor.
You can be badly burned and your vehicle
damaged if this occurs. To help avoid injury to
you and others:
Dispense gasoline only into approved
containers.
Do not ll a container while it is inside a
vehicle, in a vehicle’s trunk, pickup bed or
on any surface other than the ground.
Bring the ll nozzle in contact with the
inside of the ll opening before operating
the nozzle. Contact should be maintained
until the lling is complete.
Do not smoke while pumping gasoline.
5-9

How to Add Coolant to the Radiator
Notice:Your engine has a specic radiator
ll procedure. Failure to follow this procedure could
cause your engine to overheat and be severely
damaged.
Remove the radiator pressure cap when the cooling
system, including the radiator pressure cap and upper
radiator hose, is no longer hot.
1. Turn the pressure cap slowly counterclockwise at
its rst stop. Do not press down while turning the
pressure cap.If a hiss is heard, wait for it to stop. A hiss means
there is still some pressure left.
2. Keep turning the pressure cap, but now push down
as you turn it. Remove the pressure cap.
{CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot
enough. Do not spill coolant on a hot engine.
5-32

3. Disconnect the electrical connector (B) from the
headlamp assembly.
4. Slide the headlamp assembly out of the slots.
5. Remove the rubber access cover from behind the
bulb being replaced.
6. Turn the bulb socket one-quarter turn and remove it
from the headlamp assembly.
7. Lift the plastic locking tab on the electrical connector
and pull the connector from the headlamp bulb
socket.8. Connect the new headlamp bulb to the electrical
connector, making sure the connector tab snaps
into place.
9. Insert the bulb socket into the headlamp assembly.
10. Reverse all steps to reassemble the headlamp
assembly, then check the lamps.
Front Turn Signal and Parking
Lamps
1. Remove the headlamp assembly. Refer to the
removal procedure earlier in this section.
2. Remove the rubber bulb access cover.
3. Twist the sidemarker lamp socket, located on the
outboard side of the headlamp assembly,
counterclockwise and pull it from the headlamp
assembly.
4. Holding the base of the socket, pull the old bulb
from the socket.
5. Push the new bulb into the socket.
6. Reverse Steps 1 through 3 to reinstall the lamp
assembly.
5-52

Center High-Mounted
Stoplamp (CHMSL)
1. Open the trunk.
2. Reach through the access opening in the trunk lid.3. Remove the old bulb by turning it counterclockwise
one-quarter turn.
4. Push the new bulb into the bulb socket.
5. Turn the socket clockwise one-quarter turn to
reinstall.
5-53

Taillamps, Turn Signal, and
Stoplamps1. Open the trunk.
2. Remove the convenience net If the vehicle
has one.
3. Remove the three plastic wing nuts (A).
One wing nut is located on top of the carpet. The
other two are located underneath the carpet.
4. Pull the taillamp housing (B) away from the body of
the vehicle.
5. Squeeze the tab on the socket and turn the socket
counterclockwise.
6. Pull out the socket.
7. Pull the old bulb out of the socket. There are two
bulbs on each taillamp.
8. Push in a new bulb.
9. Reverse these steps to reinstall the lamp assembly.
5-54

Removing the Spare Tire and Tools
The equipment you will need is in the trunk.
1. Turn the center nut on
the compact spare tire
cover counterclockwise
to remove it. Then
lift and remove
the cover. See
Compact Spare Tire on
page 5-87for more
information about the
compact spare tire.
2. Remove the spare tire.
5-76

3. Turn the nut holding the jack counterclockwise and
remove it. Then remove the jack and wrench.The tools you will be using include the jack (A),
extension and protection guide (B) and wheel
wrench (C).
5-77

Removing the Flat Tire and Installing
the Spare Tire
1. Using the wheel wrench, loosen all the wheel nuts,
but do not remove them yet.
2. Turn the jack handle clockwise to raise the jack
lift head.3. For jacking at the vehicle’s front location, put the
jack lift head (C) about 6 inches (15 cm) from the
rear edge of the front wheel opening (B) or just
behind the two bolts (A) as shown.
5-79