lock BUICK LACROSSE 2006 Owner's Manual

Page 375 of 444

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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Page 377 of 444

2. Use the wheel wrench to loosen the plastic wheel
nut caps, if equipped, in a counterclockwise
direction.
If needed, nish loosening them by hand. The nut
caps will not come off of the wheel cover.
3. Use the at end of the wheel wrench and pry along
the edge of the cover until it comes off. Pull off the
wheel cover and set it aside.
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.
If the vehicle has aluminum wheels and wheel center
caps, the wheel nuts are hidden behind the center cap.
Pry off the center cap by using the at end of the
wheel wrench at the notch.
Do not drop the cap or lay it facedown, as it could
become scratched or damaged.Once you have removed the wheel cover or center
cap, use the following procedure to remove the at tire
and install the spare tire.
1. Place the wheel wrench securely over the wheel
nut. Turn the wheel wrench counterclockwise
to loosen all the wheel nuts, but do no remove
them yet.
2. Turn the jack handle clockwise to raise the jack
lift head.
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Page 379 of 444

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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Page 380 of 444

{CAUTION:
Rust or dirt on the wheel, or on the parts to
which it is fastened, can make the wheel nuts
become loose after a time. The wheel could
come off and cause an accident. When you
change a wheel, remove any rust or dirt from
the places where the wheel attaches to the
vehicle. In an emergency, you can 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.
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 studs or nuts. If you
do, the nuts might come loose. Your wheel
could fall off, causing a serious accident.
9. Put the wheel nuts back on with the rounded end
of the nuts toward the wheel. Tighten each nut 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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Page 393 of 444

Electrical System
Add-On Electrical Equipment
Notice:Don’t add anything electrical to your
vehicle unless you check with your dealer rst.
Some electrical equipment can damage your vehicle
and the damage wouldn’t be covered by your
warranty. Some add-on electrical equipment can
keep other components from working as they should.
Your vehicle has an airbag system. Before attempting
to add anything electrical to your vehicle, seeServicing
Your Airbag-Equipped Vehicle on page 1-69.
Headlamp Wiring
The headlamp wiring is protected by a circuit breaker
in the underhood fuse block. An electrical overload
will cause the headlamps to go on and off, or in some
cases to remain off. If this happens, have the headlamp
system checked right away.
Windshield Wiper Fuses
The windshield wiper motor is protected by a circuit
breaker and a fuse. If the motor overheats due to heavy
snow, etc., the wiper will stop until the motor cools.
If the overload is caused by some electrical problem,
have it xed.
Power Windows and Other
Power Options
Circuit breakers in the instrument panel fuse block
protect the power windows and other power accessories.
When the current load is too heavy, the circuit breaker
opens and closes, protecting the circuit until the
problem is xed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from
short circuits by a combination of fuses, circuit breakers
and in the fuse block wiring itself. This greatly reduces
the chance of res caused by electrical problems.
Look at the silver-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Make sure
a bad fuse is replaced with a new one of the identical
size and rating.
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Instrument Panel Fuse Block
The instrument panel fuse
block is located on the
passenger’s side of the
instrument panel. Pull off
the cover labeled FUSES
to expose the fuse block.
Fuses Usage
DR/LCK
TRUNKDoor Locks, Trunk
RFA/MOD Remote Keyless Entry
PRK/SWTCH Ignition Key Lock
CLSTR Cluster
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Fuses Usage
STR/WHL/
ILLUMSteering Wheel Controls Illumination
ONSTAR/ALDL OnStar
®, Data Link
INT/ILLUM Interior Lamps
PWR/SEAT Power Seat
S/ROOF Sunroof
CNSTR Canister Vent
HVAC Climate Control System
HAZRD Turn Signal, Hazard
PRK/LAMP Park Lamps
CHMSL/BKUPCenter-High-Mounted
Stoplamp/Back-up Lamps
PWR/MIR Power Mirrors
CRUISE Cruise Control
RDO/AMP Radio, Amplier
HTD/SEAT Heated Seats
HTD/MIR Heated Mirrors
PWR/WNDW Power Window
Relays Usage
RAP Retained Accessory Power
PRK/LAMP Park Lamp Relay
R/DEFOG Rear Defogger Relay
Underhood Fuse Block
Some fuses and relays are located in the underhood
fuse block on the passenger’s side of the vehicle in
the engine compartment. SeeEngine Compartment
Overview on page 5-12for more information on location.
Mini-Fuses Usage
1 Left High Beam
2 Right High Beam
3 Left Low Beam
4 Right Low Beam
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Mini-Fuses Usage
5 Windshield Wiper
6 Washer/Regulated Voltage Control
7 Fog Lamps
8 Transaxle Control Module
9 Supplemental Inatable Restraint
10 Auxiliary Power
11 Horn
12 Emission
13 Air Conditioner Clutch
14 Oxygen Sensor
15 Powertrain Control Module
16Powertrain Control Module,
Electronic Throttle Control
17 Electronic Throttle Control
18 Display
19 Anti-lock Brake Solenoid
20 Fuel InjectorMini-Fuses Usage
21 Transmission Solenoid
22 Fuel Pump
23 Anti-lock Brake System
24 Ignition
J-Style Fuses Usage
25 Air Pump
26 Battery Main 1
27 Battery Main 2
28 Battery Main 3
29 Fan 1
30 Battery Main 4
31 Anti-lock Brake System Motor
32 Fan 2
33 Starter
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Page 405 of 444

Maintenance Footnotes
(a)Visually inspect brake lines and hoses for proper
hook-up, binding, leaks, cracks, chang, etc. Inspect
disc brake pads for wear and rotors for surface condition.
Inspect other brake parts, including calipers, parking
brake, etc.
(b)Visually inspect front and rear suspension and
steering system for damaged, loose, or missing parts or
signs of wear. Inspect power steering lines and hoses for
proper hook-up, binding, leaks, cracks, chang, etc.
(c)Visually inspect hoses and have them replaced if they
are cracked, swollen, or deteriorated. Inspect all pipes,
ttings and clamps; replace with genuine GM parts as
needed. To help ensure proper operation, a pressure test
of the cooling system and pressure cap and cleaning the
outside of the radiator and air conditioning condenser is
recommended at least once a year.
(d)Visually inspect wiper blades for wear or cracking.
Replace wiper blades that appear worn or damaged or
that streak or miss areas of the windshield.(e)Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors, and anchorages
are working properly. Look for any other loose or
damaged safety belt system parts. If you see anything
that might keep a safety belt system from doing its job,
have it repaired. Have any torn or frayed safety belts
replaced. Also look for any opened or broken airbag
coverings, and have them repaired or replaced. The
airbag system does not need regular maintenance.
(f)Lubricate all key lock cylinders. Lubricate all hinges
and latches, including those for the body doors, hood,
secondary latch, pivots, spring anchor, release pawl, rear
compartment, glove box door, and console door. More
frequent lubrication may be required when exposed to a
corrosive environment. Applying silicone grease on
weatherstrips with a clean cloth will make them last
longer, seal better, and not stick or squeak.
(g)If you drive regularly under dusty conditions, the lter
may require replacement more often.
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Page 408 of 444

Automatic Transaxle Shift Lock Control
System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-30.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to RUN, but do
not start the engine. Without applying the regular
brake, try to move the shift lever out of PARK (P)
with normal effort. If the shift lever moves out
of PARK (P), contact your GM Goodwrench
®dealer
for service.
Ignition Transaxle Lock Check
While parked, and with the parking brake set, try to turn
the ignition to OFF in each shift lever position.
The ignition should turn to OFF only when the shift
lever is in PARK (P).
The key should come out only in OFF.
Contact your GM Goodwrench
®dealer if service is
required.
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