lock BUICK LACROSSE 2009 Owners Manual

Page 321 of 428

A. Taillamp
B. Stoplamp/Taillamp/Turn
Signal LampC. Sidemarker Lamp
D. Taillamp
E. Back-up Lamp
7. Turn the bulb socket counterclockwise to remove it.
8. Pull the old bulb straight out of the bulb socket.
9. Push the new bulb straight into the bulb socket until
it clicks.
10. Turn the bulb socket clockwise to reinstall.
11. Reconnect the wiring harness.12. Push the taillamp assembly back into place on the
vehicle.
13. Turn the two wing nuts clockwise to reinstall them.
14. Place the trunk trim to its original location.
15. Turn the four plastic wing nuts clockwise to reinstall
them back into their original location.
16. Return the convenience net to its original location.
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License Plate Lamp
To replace one of these bulbs:
1. Remove the screws for either of the license
plate lamps.
2. Turn and pull the license plate lamp forward
through the fascia opening.3. Turn the bulb socket counterclockwise and pull the
bulb straight out of the socket.
4. Push the bulb straight into the socket and turn the
socket clockwise.
5. Turn and push the license plate lamp back through
the fascia opening.
6. Reinstall the screws for the license plate lamp.
Replacement Bulbs
Exterior Lamps Bulb Number
Back-Up Lamps 921
Rear Sidemarker, License Plate
Lamp, and Taillamp194
Stoplamps and Taillamps 3057
For replacement bulbs not listed here, contact your
dealer/retailer.
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Page 336 of 428

TPMS Sensor Matching Process
Each TPMS sensor has a unique identication code.
Any time you replace one or more of the TPMS sensors
or rotate the vehicle’s tires, the identication codes need
to be matched to the new tire/wheel position. The sensors
are matched, to the tire/wheel positions, in the following
order: driver side front tire, passenger side front tire,
passenger side rear tire, and driver side rear tire using
a TPMS diagnostic tool. See your dealer/retailer for
service.
The TPMS sensors may also be matched to each
tire/wheel position by increasing or decreasing the tire’s
air pressure. When increasing the tire’s pressure, do
not exceed the maximum ination pressure indicated on
the tire’s sidewall. To decrease the tire’s air-pressure
use the pointed end of the valve cap, a pencil-style
air pressure gage, or a key.
You have two minutes to match each tire and wheel
position. If it takes longer than two minutes to match
any tire and wheel position, the matching process
stops and you need to start over.
The TPMS sensor matching process is outlined below:
1. Set the parking brake.
2. Turn the ignition switch to ON/RUN with the
engine off.3. Press the Remote Keyless Entry (RKE) transmitter’s
LOCK and UNLOCK buttons at the same time for
approximately ve seconds. The horn sounds twice
to signal the receiver is in relearn mode and the
TPMS sensor matching process can begin.
4. Start with the driver side front tire.
5. Remove the valve cap from the tire’s valve
stem. Activate the TPMS sensor by increasing or
decreasing the tire’s air pressure for 10 seconds,
or until a horn chirp sounds. The horn chirp, which
may take up to 30 seconds to sound, conrms that
the sensor identication code has been matched to
the tire/wheel position.
6. Proceed to the passenger side front tire, and repeat
the procedure in Step 5.
7. Proceed to the passenger side rear tire, and repeat
the procedure in Step 5.
8. Proceed to the driver side rear tire, and repeat the
procedure in Step 5.
9. After hearing the conrming horn chirp for the driver
side rear tire, the horn chirps two more times to
signal the tire learning process has ended. Turn
the ignition switch to LOCK/OFF.
10. Set all four tires to the recommended air
pressure level as indicated on the tire and loading
information label.
11. Put the valve caps back on the valve stems.
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Your vehicle’s original equipment tires are listed
on the Tire and Loading Information Label.
SeeLoading the Vehicle on page 4-20, for
more information about the Tire and Loading
Information Label and its location on your vehicle.
Different Size Tires and Wheels
If you add wheels or tires that are a different size than
your original equipment wheels and tires, this may affect
the way your vehicle performs, including its braking, ride
and handling characteristics, stability, and resistance
to rollover. Additionally, if your vehicle has electronic
systems such as, antilock brakes, traction control, and
electronic stability control, the performance of these
systems can be affected.
{CAUTION:
If you add different sized wheels, your vehicle may
not provide an acceptable level of performance and
safety if tires not recommended for those wheels
are selected. You may increase the chance that you
will crash and suffer serious injury. Only use GM
specic wheel and tire systems developed for your
vehicle, and have them properly installed by a GM
certied technician.
SeeBuying New Tires on page 5-69andAccessories
and Modifications on page 5-3for additional information.
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Page 347 of 428

{CAUTION:
Changing a tire can be dangerous. The vehicle
can slip off the jack and roll over or fall on you or
other people. You and they could be badly injured
or even killed. Find a level place to change your
tire. To help prevent the vehicle from moving:
1. Set the parking brake rmly.
2. Put the shift lever in P (Park).
3. Turn off the engine and do not restart while
the vehicle is raised.
4. Do not allow passengers to remain in the
vehicle.
To be even more certain the vehicle will not move,
you should put blocks at the front and rear of the
tire farthest away from the one being changed.
That would be the tire, on the other side, at the
opposite end of the vehicle.When the vehicle has a at tire (B), use the following
example as a guide to assist you in the placement
of wheel blocks (A).
A. Wheel Block
B. Flat Tire
The following information explains how to use the jack
and change a tire.
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Removing the Spare Tire and Tools
The equipment you will need is located in the trunk.
1. Open the trunk. SeeTrunk on page 2-12.
2. Remove the convenience net if the vehicle has one.
3. Remove the spare tire cover.
4. Turn the wing nut counterclockwise and remove it.
5. Remove the compact spare tire.6. Turn the nut holding the jack counterclockwise and
remove it. Then remove the jack and wrench.
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The tools you will need to change a tire include the
jack (A), extension and protection guide (B), and wheel
wrench (C).
Removing the Flat Tire and
Installing the Spare Tire
You vehicle may have wheels with exposed wheel nuts.
If so, go to the Removing the Wheel Nuts section. If the
vehicle has steel wheel covers with plastic nut caps, the
wheel nuts are hidden behind the cap. To remove the
wheel cover:
1. Do a safety check before proceeding. SeeChanging
a Flat Tire on page 5-76.
2. Turn the wheel wrench counterclockwise to loosen
the plastic wheel nut caps.
If needed, nish loosening them by hand. The nut
caps will not come off of the wheel cover.
The edge of the wheel cover could be sharp, so do
not try to remove the cover with your bare hands.
Do not drop the cap or lay it face down, as it could
become scratched or damaged.
Store the wheel cover in the trunk until you have
the at tire repaired or replaced.
Once you have removed the wheel cover or plastic nut
caps, use the following procedure to remove the at
tire and install the spare tire.
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Removing the Wheel Nuts
1. Turn the wheel wrench counterclockwise to loosen
the wheel nuts, but do no remove them yet.
2. Turn the jack handle clockwise to raise the jack
lift head.3. Find the jacking location using the diagram above
and corresponding triangular-shaped hoisting
notches located on the underside of the vehicle’s
plastic molding.
The front location is about 6.5 inches (16.5 cm)
from the rear edge of the front wheel well. The rear
location is about 9 inches (22.8 cm) from the front
edge of the rear wheel well.
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{CAUTION:
Getting under a vehicle when it is jacked up is
dangerous. If the vehicle slips off the jack you
could be badly injured or killed. Never get under
a vehicle when it is supported only by a jack.
{CAUTION:
Raising your vehicle with the jack improperly
positioned can damage the vehicle and even make
the vehicle fall. To help avoid personal injury and
vehicle damage, be sure to t the jack lift head into
the proper location before raising the vehicle.
4. Put the compact spare tire near you.5. Raise the vehicle by turning the jack handle
clockwise. Raise the vehicle far enough off the
ground for the compact spare tire to t under the
vehicle.
6. Remove all wheel nuts and take off the at tire.
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{CAUTION:
Rust or dirt on a wheel, or on the parts to which
it is fastened, can make wheel nuts become loose
after time. The wheel could come off and cause an
accident. When changing a wheel, remove any rust
or dirt from places where the wheel attaches to the
vehicle. In an emergency, use a cloth or a paper
towel to do this; but be sure to use a scraper or wire
brush later, if needed, to get all the rust or dirt off.
SeeChanging a Flat Tire on page 5-76.
7. Remove any rust or dirt
from the wheel bolts,
mounting surfaces, and
spare wheel.
8. Install the compact spare tire.
{CAUTION:
Never use oil or grease on bolts or nuts because
the nuts might come loose. The vehicle’s wheel
could fall off, causing a crash.
9. Put the wheel nuts back on with the rounded end of
the nuts toward the wheel. Turn each nut clockwise
by hand until the wheel is held against the hub.
10. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
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