BUICK LESABRE 2000 Owner's Manual

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Bulb Replacement
For any bulb changing procedure not listed in this
section, contact your dealer's service department.
For the bulb types to be used in the following
procedures, see ªReplacement Bulbsº in the Index.
Halogen Bulbs
CAUTION:
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.
Headlamps
This procedure is for both the driver's and passenger's
side headlamps.
1. Remove the two bolts retaining the
headlamp assembly.
2. Slide the headlamp outboard until the pins are loose.
3. Remove the headlamp assembly to access the bulbs.

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4. Rotate the bulb retainer counterclockwise to remove
the bulb assembly.
5. Pull the bulb straight out from the retainer.
6. Push the new bulb straight into the retainer.
7. Reverse these steps to replace the bulb assembly.Headlamp Aiming
Your vehicle has a visual optical headlamp aiming system
equipped with horizontal aim indicators. The aim has
been pre
-set at the factory and should need no further
adjustment. This is true even though your horizontal aim
indicators may not fall exactly on the ª0º (zero) marks on
their scales.

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If your vehicle is damaged in an accident, the headlamp
aim may be affected. Aim adjustment to the low beam
may be necessary if it is difficult to see lane markers
(for horizontal aim), or if oncoming drivers flash their
high beams at you (for vertical aim). If you believe your
headlamps need to be re
-aimed, we recommend that you
take your vehicle to your dealer for service. However, it
is possible for you to re
-aim your headlamps as
described in the following procedure.
NOTICE:
To make sure your headlamps are aimed
properly, read all the instructions before
beginning. Failure to follow these instructions
could cause damage to headlamp parts.
The vehicle should be properly prepared as follows:

The vehicle should be placed so the headlamps
are 25 ft. (7.6 m) from a light colored wall or other
flat surface.

The vehicle must have all four tires on a perfectly
level surface which is level all the way to the wall or
other flat surface.

The vehicle should be placed so it is perpendicular to
the wall or other flat surface.

The vehicle should not have any snow, ice or mud
attached to it.

The vehicle should be fully assembled and all other
work stopped while headlamp aiming is being done.

The vehicle should be normally loaded with a full
tank of fuel and one person or 160 lbs. (75 kg) on
the driver's seat.

Tires should be properly inflated.
Headlamp aiming is done with the vehicle low beam
lamps. The high beam lamps will be correctly aimed if
the low beam lamps are aimed properly.
The headlamp aiming devices are under the hood near
the headlamps.

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If you believe your headlamps need horizontal
(left/right) adjustment, follow the horizontal aiming
procedure. If you believe your headlamps need only
vertical (up/down) adjustment, follow only the vertical
aiming procedure.
Adjustment screws can be turned with an E8 Torx


socket or T15 Torx screwdriver.Headlamp Horizontal Aiming
Turn the horizontal aiming screw (A) until the indicator
(B) is lined up with zero.
Once the horizontal aim is adjusted, then adjust the
vertical aim.

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Headlamp Vertical Aiming
1. Find the aim dot on the lens of the lamps.
2. Measure the distance from the ground to the aim dot
on each lamp; if left low beam, subtract two inches.
Record this distance.3. At the wall or other flat surface, measure from the
floor to the recorded distance and draw a horizontal
line the width of the vehicle.

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4. Turn on the low beam headlamps and cover the lamp
not being evaluated. The ambient light should allow
the beam cut off to be seen on the wall.5. Turn the vertical aiming screw (C) until the
headlamp beam is aimed to the horizontal line. It is
recommended to cover the lamp that is not being
evaluated to better see the beam being aimed.

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6-38 Front Turn Signal
Once the headlamp assembly has been removed from
the vehicle, the front turn signal bulbs can be accessed.
1. Reach down into the space provided by the removal
of the headlamp assembly and, while pushing in the
tab on the bulb assembly, turn the assembly
counterclockwise and remove it.
2. Remove the old bulb by pulling it straight out
of the retainer.
3. Replace the bulb and turn the bulb assembly
back into place.
Cornering Lamps
Follow the same procedure as used for replacing the
headlamps. However, to remove the cornering lamp
bulb, press the tab on the bulb assembly while turning
the bulb assembly counterclockwise. Pull the bulb
straight out. Replace the bulb and turn the bulb assembly
back into place.
Trunk-Mounted Back-Up and Taillamps
1. Loosen and remove the seven fasteners that hold the
assembly in place. The assembly for both sides is
one piece. The entire piece must be removed to
replace any bulbs.

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2. Pull out the assembly.3. Push in the tab and turn the bulb socket
counterclockwise to remove it.
4. Remove the bulb by pulling it straight out.
5. Replace the bulb and reverse the steps to install the
new bulb socket.

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6-40 Rear Turn Signals, Stoplamps and Taillamps
1. Open the trunk. Turn the screws located just inside
of the trunk counterclockwise and remove.
2. Remove the plastic trim piece from the trunk.
3. Pull the carpet away from the rear area to access the
turn signal bulb assembly.
4. Using a 10 mm wrench or a socket, loosen and
remove the bolts that hold the assembly in place.
5. Pull out the bulb assembly.
6. Turn the bulb socket
one
-quarter turn
counterclockwise, while
pressing it firmly.
7. Pull the bulb socket straight out of the assembly.
8. Remove the old bulb by pulling it straight out.
9. Replace with a new bulb by pushing the bulb
straight into the socket until the bulb clicks
into place.
10. Turn the bulb socket one
-quarter turn into the
assembly to lock it back into place.
11. Reverse steps 1 through 5 to reinstall the
bulb assembly.

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Windshield Wiper Blade Replacement
Windshield wiper blades should be inspected at least
twice a year for wear or cracking. See ªWiper Blade
Checkº in Section 7 of this manual under Part B ªOwner
Checks and Servicesº for more information.
Replacement blades come in different types and are
removed in different ways.
To replace the wiper blade assembly:
1. Lift the windshield wiper arm away from
the windshield.
2. Push the tab on the wiper blade assembly and pull
the assembly down enough to release it from the ªUº
hooked end of the wiper arm. Slide the assembly
away from the arm.
3. Remove the blade.
4. To reinstall the wiper blade assembly, slide it over
the wiper arm to engage the ªUº hooked end on the
wiper blade assembly. Pull up on the assembly to
lock it into place.
For the proper windshield wiper blade replacement
length and type, see ªNormal Maintenance Replacement
Partsº in the Index.