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4. Disconnect the wiring harness connectorfrom the bulb.
5. Install the new bulb in the headlamp assembly by turning clockwise.
6. Reconnect the wiring harness connector.
7. Install the headlamp bulb access cover.
For the driver side, reinstall the
windshield washer bottle filter neck by
firmly pushing it straight into the bottle.
Ensure that the filter neck clip engages
into the underhood electrical center
retainer.
Parking Lamp
1. Open the hood. See Hood0168.
2. Remove the headlamp bulb access cover.
3. Remove the bulb from the bulb socket by pulling it straight out.
4. Install the new bulb in the bulb socket.
5. Install the bulb socket into the headlamp assembly by turning clockwise.
6. Install the headlamp bulb access cover.
Turn Signal Lamp
1. Open the hood. See Hood0168.
2. Remove the turn signal lamp bulb socket
from the headlamp assembly by turning
counterclockwise.
3. Remove the bulb from the bulb socket by pulling it straight out.
4. Install the new bulb in the bulb socket.
5. Install the bulb socket into the headlamp assembly by turning clockwise.
Uplevel Headlamp Assembly
The uplevel model vehicle has halogen
high-beam and low-beam headlamps, an LED
DRL, a parking lamp, an LED sidemarker
lamp, and turn signal lamps on the
headlamp assembly.
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190 Vehicle Care
1. Turn Signal Lamp
2. High-Beam Headlamp/Low-BeamHeadlamp
High-Beam Headlamp/Low-Beam
Headlamp
1. Open the hood. See Hood0168.
2. Remove the headlamp bulb access cover.
3. Turn the bulb counterclockwise and pull
straight back.
4. Disconnect the wiring harness connectorfrom the bulb.
5. Install the new bulb in the headlamp assembly by turning clockwise.
6. Reconnect the wiring harness connector.
7. Install the headlamp bulb access cover.
Turn Signal Lamp
1. Open the hood. See Hood0168.
2. Remove the turn signal lamp bulb socket
from the headlamp assembly by turning
counterclockwise.
3. Remove the bulb from the bulb socket by pulling it straight out.
4. Install the new bulb in the bulb socket.
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5. Install the bulb socket into the headlampassembly by turning clockwise.
Taillamps, Turn Signal,
Sidemarker, Stoplamps, and
Back-Up Lamps
Base Level Taillamp Assembly
The base model vehicle has a halogen
taillamp/stoplamp, a stoplamp, a turn signal
lamp, a back-up lamp, and a sidemarker
lamp on the taillamp assembly.
Driver Side Shown, Passenger Side Similar
1. Taillamp/Stoplamp
2. Back-Up Lamp 3. Turn Signal Lamp
4. Taillamp
5. Sidemarker Lamp
Passenger Side Shown, Driver Side Similar
1. Remove and retain both screws attaching the taillamp assembly to the
vehicle body.
2. Pull the taillamp assembly straight back to detach it from the vehicle body. Take
care that the cable duct remains in place.
3. Remove the bulb socket from the taillamp assembly.
4. Remove the old bulb from the bulb socket by pulling it straight out.
5. Insert a new bulb into the bulb socket. 6. Install the bulb socket into the taillamp
asembly.
7. Install the taillamp assembly to the vehicle body with the two screws.
Uplevel Taillamp Assembly
The uplevel vehicle has a halogen stoplamp,
an LED taillamp, a sidemarker lamp, a turn
signal lamp, and a back-up lamp on the
taillamp assembly.
Driver Side Shown, Passenger Side Similar
1. Sidemarker Lamp
2. Stoplamp
3. Back-Up Lamp
4. Turn Signal Lamp
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To replace one of these bulbs:1. Push the left end of the lamp assembly toward the right.
2. Turn the lamp assembly down to remove it.
3. Turn the bulb socket (1) counterclockwise to remove it from the lamp assembly (3).
4. Pull the bulb (2) straight out of the bulb socket (1).
5. Push the replacement bulb straight into the bulb socket and turn the bulb socket
clockwise to install it into the lamp
assembly.
6. Turn the lamp assembly into the lamp assembly opening engaging the clip side
first.
7. Push on the lamp side opposite the clip until the lamp assembly snaps into place.
Electrical System
Electrical System Overload
The vehicle has fuses and circuit breakers to
protect against an electrical system
overload. When the current electrical load is too
heavy, the circuit breaker opens and closes,
protecting the circuit until the current load
returns to normal or the problem is fixed.
This greatly reduces the chance of circuit
overload and fire caused by electrical
problems.
Fuses and circuit breakers protect power
devices in the vehicle.
Replace a bad fuse with a new one of the
identical size and rating.
If there is a problem on the road and a fuse
needs to be replaced, the same amperage
fuse can be borrowed. Choose some feature
of the vehicle that is not needed to use and
replace it as soon as possible.
Headlamp Wiring
An electrical overload may cause the lamps
to go on and off, or in some cases to
remain off. Have the headlamp wiring
checked right away if the lamps go on and
off or remain off.
Windshield Wipers
If the wiper motor overheats due to heavy
snow or ice, the windshield wipers will stop
until the motor cools and will then restart.Although the circuit is protected from
electrical overload, overload due to heavy
snow or ice may cause wiper linkage
damage. Always clear ice and heavy snow
from the windshield before using the
windshield wipers.
If the overload is caused by an electrical
problem and not snow or ice, be sure to get
it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are
protected from short circuits by a
combination of fuses and circuit breakers.
This greatly reduces the chance of damage
caused by electrical problems.
{Danger
Fuses and circuit breakers are marked
with their ampere rating. Do not exceed
the specified amperage rating when
replacing fuses and circuit breakers. Use
of an oversized fuse or circuit breaker can
result in a vehicle fire. You and others
could be seriously injured or killed.
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198 Vehicle Care
FusesUsage
F19 Body control module/ Regulated voltage control
F20 Clock spring F21 A/C/Accessory power outlet
F22 Auxiliary power outlet/DC front
F23 –
F24 –
F25 OnStar module
F26 Electric vacuum pump F27 Instrument cluster
F28 –
F29 –
F30 –
F31 Instrument cluster module battery
F32 Silver box audio module/ Navigation
F33 –
F34 Passive entry/Passive start Midi Fuses
Usage
M01 –
S/B Fuses Usage
S/B01 HVAC Aux heater –1
S/B02 HVAC Aux heater –2
S/B03 Front power windows
S/B04 Rear power windows S/B05 Logistic mode relay
S/B06 Driver power seat S/B07 –
S/B08 –
Circuit Breaker Usage CB1 –
Relays Usage
RLY01 Accessory/Retained accessory power
RLY02 Liftgate
RLY03 –
RLY04 Blower Relays
Usage
RLY05 Logistic mode
Rear Compartment Fuse Block
The rear compartment fuse block is behind a
cover on the driver side of the rear
compartment. To access the fuses, remove
the cover.
The vehicle may not be equipped with all of
the fuses, relays, and features shown.
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With Subwoofer
1. Center Retainer
2. Subwoofer
3. Wrench
4. Strap
5. Tow Eye (if equipped)
6. Jack
To access the spare tire and tools:1. Open the liftgate. See Liftgate021.
2. Lift the trim cover.
3. If the vehicle has a subwoofer assembly on top of the spare tire, remove it by
turning the center retainer
counterclockwise. 4. If the vehicle does not have a subwoofer,
turn the retainer counterclockwise to
remove the spare tire.
5. Remove the spare tire, jack, and tools and place them near the tire being
changed.
Removing the Flat Tire and Installing the
Spare Tire
1. Do a safety check before proceeding. See
If a Tire Goes Flat 0215.
2. Remove the wheel cover, if the vehicle
has one, to reach the wheel bolts.
3. Turn the wheel wrench counterclockwiseto loosen the wheel nuts. Do not remove
them yet.
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4. Place the jack at the position markedwith a half circle.
5. Place the hex tube end of the wrenchover the hex head of the jack to
attach it.
6. Turn the wheel wrench clockwise until the lift head is firmly contacting the
proper lifting point nearest the flat tire.
{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
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. Turn the wheel wrench clockwise to raise the vehicle far enough off the ground so
there is enough room for the spare tire
to fit underneath the wheel well. 8. Turn the wheel nuts counterclockwise to
remove them.
9. Remove the flat tire.
{Warning
Rust or dirt on a wheel, or on the
parts to which it is fastened, can
cause wheel nuts to become loose
over 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 paper towel can be used; however,
use a scraper or wire brush later to
remove all rust or dirt.
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10. Remove any rust or dirt from the wheelbolts, mounting surfaces, and spare
wheel.
11. Place the spare tire on the wheel-mounting surface.
{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.
12. Reinstall the wheel nuts. Turn each nut clockwise, by hand, until the wheel is
held against the hub. 13. Lower the vehicle by turning the wheel
wrench counterclockwise. Lower the jack
completely.
{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 using
accessory locking wheel nuts. See
Capacities and Specifications 0248 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 0248 for the wheel nut
torque specification.
14. Tighten the wheel nuts firmly with the wheel wrench in a crisscross sequence, as
shown.
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.