
Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
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Vehicle Care 297
4. Turn the wheel wrenchcounterclockwise to loosen all
the wheel nuts, but do not
remove them yet.
5. Place the jack near the flat tire.
6. Put the compact spare tire near you.
{Warning
Getting under a vehicle when it is
lifted on a jack 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.
{Warning
Raising the vehicle with the jack
improperly positioned can
damage the vehicle and even
make the vehicle fall. To help
avoid personal injury and vehicle
(Continued)
Warning (Continued)
damage, be sure to fit the jack lift
head into the proper location
before raising the vehicle.
{Warning
Lifting a vehicle and getting under
it to do maintenance or repairs is
dangerous without the
appropriate safety equipment and
training. If a jack is provided with
the vehicle, it is designed only for
changing a flat tire. If it is used for
anything else, you or others could
be badly injured or killed if the
vehicle slips off the jack. If a jack
is provided with the vehicle, only
use it for changing a flat tire.
7. Attach the wrench to the jack by fitting the hex end of the
wrench over the hex head of
the jack. 8. Place the jack under the
vehicle.
Caution
Make sure that the jack lift head
is in the correct position or you
may damage your vehicle. The
repairs would not be covered by
your warranty.
9. Position the jack lift head at thejack location nearest the flat
tire. The location is indicated

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298 Vehicle Care
by a notch in the vertical
bottom edge of the body side
sheet metal.
The notches in the jack must
align with the notch in the
rocker pinch weld. The jack lift
head lifts on the inward side of
the pinch weld flange.
The jack must not be used in
any other position.
10. Raise the vehicle by turning thejack handle clockwise. Raise
the vehicle far enough off the
ground so there is enough
room for the road tire to clear
the ground.
11. Remove all of the wheel nuts.
12. Remove the flat tire.
{Warning
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 a crash. When
changing a wheel, remove any
rust or dirt from places where the
wheel attaches to the vehicle. In
an emergency, a cloth or a paper
(Continued)
Warning (Continued)
towel can be used; however, use
a scraper or wire brush later to
remove all rust or dirt.
13. Remove any rust or dirt fromthe wheel bolts, mounting
surfaces, and spare wheel.
14. Place the compact spare tire on the wheel-mounting surface.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
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Vehicle Care 299
{Warning
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.
15. Reinstall the wheel nuts. Tighten each nut by hand until
the wheel is held against
the hub.
16. Lower the vehicle by turning the jack handle
counterclockwise.
{Warning
Wheel nuts that are improperly or
incorrectly tightened can cause
the wheels to become loose or
come off. The wheel nuts should
be tightened with a torque wrench
to the proper torque specification
after replacing. Follow the torque
specification supplied by the
aftermarket manufacturer when
(Continued)
Warning (Continued)
using accessory locking wheel
nuts. SeeCapacities and
Specifications 0333 for original
equipment wheel nut torque
specifications.
Caution
Improperly tightened wheel nuts
can lead to brake pulsation and
rotor damage. To avoid expensive
brake repairs, evenly tighten the
wheel nuts in the proper
sequence and to the proper
torque specification. See
Capacities and Specifications
0 333 for the wheel nut torque
specification.17. Tighten the wheel nuts firmly in a crisscross sequence, as
shown.
18. Lower the jack all the way and remove the jack from under the
vehicle.
19. Tighten the wheel nuts firmly with the wheel wrench.
When reinstalling the wheel cover or
center cap on the full-size tire,
tighten all five plastic caps hand
snug, then tighten them with the
wheel wrench an additional
one-quarter turn.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
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300 Vehicle Care
Caution
Wheel covers will not fit on the
vehicle's compact spare. If you try
to put a wheel cover on the
compact spare, the cover or the
spare could be damaged.
Storing a Flat or Spare Tire
and Tools
{Warning
Storing a jack, a tire, or other
equipment in the passenger
compartment of the vehicle could
cause injury. In a sudden stop or
collision, loose equipment could
strike someone. Store all these in
the proper place.
Storing a Flat or Spare Tire and
Tools with a Screw in Fastener 1. Remove the extension bolt from the foam holder.
2. Screw the extension bolt ontothe end of the spare tire stow
bolt by hand.
3. Replace the foam, jack and tools, and the tire in their
original storage location.
4. Remove the insulator pad and place it over the foam holder to
protect the wheel of the flat tire
from the jack.
5. Place the tire facing down over the extension bolt.
6. Turn the retainer nut clockwise to secure the tire. 7. Place the floor cover on the
wheel.
The compact spare is for temporary
use only. Replace the compact
spare tire with a full-size tire as
soon as you can.
Compact Spare Tire
{Warning
Driving with more than one
compact spare tire at a time could
result in loss of braking and
handling. This could lead to a
crash and you or others could be
injured. Use only one compact
spare tire at a time.
If this vehicle has a compact spare
tire, it was fully inflated when new;
however, it can lose air over time.
Check the inflation pressure
regularly. It should be 420 kPa
(60 psi).
Stop as soon as possible and check
that the spare tire is correctly
inflated after being installed on the

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302 Vehicle Care
five seconds. This will place the
vehicle in the Service Mode.
Proceed as follows:1. Press
Sthen scrollyorz
until the Settings menu
displays.
2. Press
Vto enter the
Settings menu.
3. Press
Tthen scrollyorz
until Jump Start displays.
4. Press
Vto activate the jump
start.
5. The system will then ask for confirmation. If Yes is selected,
the jump start will begin and
the display will show WAIT TO
START.
6. When the jump start is complete, the display will show
ATTEMPT START or JUMP
START DISABLED.
If the vehicle is started, the
on-board jump start function will be
automatically disabled. If the vehicle
cranks but does not start, the
procedure may be repeated again. If the vehicle start is still
unsuccessful, the jump start can be
attempted using the following jump
starting procedure under
“Jump
Starting - North America (with or
without eAssist).” On-board jump
starting may be unavailable due to
the 12-volt battery charge level, the
eAssist battery charge level, power
capability, or an issue with the
eAssist system. In these cases, the
display will not be available because
of the power issue, or the DIC will
display JUMP START DISABLED
SEE OWNERS MANUAL.
Jump Starting - North
America (with or without
eAssist)
For more information about the
vehicle battery, see Battery - North
America 0255.
If the battery has run down, try to
use another vehicle and some
jumper cables to start your vehicle.
Be sure to use the following steps to
do it safely.
{Warning
WARNING: Battery posts,
terminals, and related
accessories contain lead and lead
compounds, chemicals known to
the State of California to cause
cancer and birth defects or other
reproductive harm. Batteries also
contain other chemicals known to
the State of California to cause
cancer. WASH HANDS AFTER
HANDLING. For more information
go to www.P65Warnings.ca.gov/
passenger-vehicle.
See California Proposition
65 Warning 0235 and the back
cover.
{Warning
Batteries can hurt you. They can
be dangerous because:
. They contain acid that can
burn you.
(Continued)

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
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Vehicle Care 303
Warning (Continued)
.They contain gas that can
explode or ignite.
. They contain enough
electricity to burn you.
If you do not follow these steps
exactly, some or all of these
things can hurt you.
Caution
Ignoring these steps could result
in costly damage to the vehicle
that would not be covered by the
vehicle warranty. Trying to start
the vehicle by pushing or pulling it
will not work, and it could damage
the vehicle.
2.5L L4 Engine
1. Discharged Remote Battery Negative Ground Terminal
2. Discharged Remote Battery Positive Terminal
3. Good Battery Positive Terminal
4. Good Battery Negative Terminal
The jump start remote negative
terminal (1) and the remote positive
ground terminal (2) for the
discharged battery are on the driver
side of the vehicle. The jump start positive terminal (3)
and negative terminal (4) are on the
battery of the vehicle providing the
jump start.
The positive jump start connection
for the discharged battery is under a
cover. Remove the cover to expose
the terminal.
3.6L V6 Engine
1. Discharged Remote Battery
Positive Terminal
2. Discharged Remote Battery Negative Ground Terminal
3. Good Battery Positive Terminal

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
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304 Vehicle Care
4. Good Battery NegativeTerminal
The jump start remote positive
terminal (1) and the remote negative
ground terminal (2) for the
discharged battery are on the driver
side of the vehicle.
The jump start negative terminal (3)
and positive terminal (4) are on the
battery of the vehicle providing the
jump start.
The positive jump start connection
for the discharged battery is under a
cover. Remove the cover to expose
the terminal.
1. Check the other vehicle. It must have a 12-volt battery
with a negative ground system.
Caution
If the other vehicle does not have
a 12-volt system with a negative
ground, both vehicles can be
damaged. Only use a vehicle that
has a 12-volt system with a
negative ground for jump starting. 2. Position the two vehicles so
that they are not touching.
3. Set the parking brake. See Shifting Into Park 0182.
Caution
If any accessories are left on or
plugged in during the jump
starting procedure, they could be
damaged. The repairs would not
be covered by the vehicle
warranty. Whenever possible, turn
off or unplug all accessories on
either vehicle when jump starting.
4. Turn the ignition off. Turn off all lights and accessories in both
vehicles, except the hazard
warning flashers if needed.
{Warning
An electric fan can start up even
when the engine is not running
and can injure you. Keep hands,
clothing, and tools away from any
underhood electric fan.
{Warning
Using a match near a battery can
cause battery gas to explode.
People have been hurt doing this,
and some have been blinded.
Use a flashlight if you need more
light.
Battery fluid contains acid that
can burn you. Do not get it on
you. If you accidentally get it in
your eyes or on your skin, flush
the place with water and get
medical help immediately.
{Warning
Fans or other moving engine
parts can injure you badly. Keep
your hands away from moving
parts once the engine is running.
5. Connect one end of the red positive (+) cable to the remote
positive (+) terminal on the
discharged battery.

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316 Vehicle Care
Instrument Panel, Leather,
Vinyl, Other Plastic Surfaces,
Low Gloss Paint Surfaces, and
Natural Open Pore Wood
Surfaces
Use a soft microfiber cloth
dampened with water to remove
dust and loose dirt. For a more
thorough cleaning, use a soft
microfiber cloth dampened with a
mild soap solution.
Caution
Soaking or saturating leather,
especially perforated leather, as
well as other interior surfaces,
may cause permanent damage.
Wipe excess moisture from these
surfaces after cleaning and allow
them to dry naturally. Never use
heat, steam, or spot removers. Do
not use cleaners that contain
silicone or wax-based products.
Cleaners containing these
solvents can permanently change(Continued)
Caution (Continued)
the appearance and feel of
leather or soft trim, and are not
recommended.
Do not use cleaners that increase
gloss, especially on the instrument
panel. Reflected glare can decrease
visibility through the windshield
under certain conditions.
Caution
Use of air fresheners may cause
permanent damage to plastics
and painted surfaces. If an air
freshener comes in contact with
any plastic or painted surface in
the vehicle, blot immediately and
clean with a soft cloth dampened
with a mild soap solution.
Damage caused by air fresheners
would not be covered by the
vehicle warranty.
Cargo Cover and
Convenience Net
If equipped, wash with warm water
and mild detergent. Do not use
chlorine bleach. Rinse with cold
water, and then dry completely.
Care of Seat Belts
Keep belts clean and dry.
{Warning
Do not bleach or dye seat belt
webbing. It may severely weaken
the webbing. In a crash, they
might not be able to provide
adequate protection. Clean and
rinse seat belt webbing only with
mild soap and lukewarm water.
Allow the webbing to dry.