2013 GMC Acadia Owners Manual

you can be burned. Do not run the engine if there is a leak. If you run the engine, it could lose all coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before you drive the vehicle.

Notice: Using coolant other than DEX-COOL® can cause premature engine, heater core, or radiator

corrosion. In addition, the engine coolant could require changing sooner, at 50 000 km (30,000 mi) or 24 months, whichever occurs first. Any repairs would not be covered by the vehicle warranty. Always use DEX-COOL (silicate-free) coolant in the vehicle.

Engine Coolant The cooling system in the vehicle is filled with DEX-COOL® engine coolant. See Maintenance Schedule on page 11‑2 and Recommended Fluids and Lubricants on page 11‑12. The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating on page 10‑16.

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What to Use

{ WARNING

Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning system is set for the proper coolant mixture. With plain water or the wrong mixture, the engine could get too hot but you would not get the overheat warning. The engine could catch fire and you or others could be burned. Use a 50/ 50 mixture of clean, drinkable water and DEX-COOL coolant.

Use a 50/50 mixture of clean, drinkable water and DEX-COOL coolant. If using this mixture, nothing else needs to be added. This mixture: . Gives freezing protection down

to −37°C (−34°F), outside temperature.

. Gives boiling protection up to

129°C (265°F), engine temperature.

. Protects against rust and

corrosion.

. Will not damage aluminum parts. . Helps keep the proper engine

temperature.

Notice: If improper coolant mixture, inhibitors, or additives are used in the vehicle cooling system, the engine could overheat and be damaged. Too much water in the mixture can freeze and crack engine cooling parts. The repairs would not be covered by the warranty. Use only the proper mixture of engine

Vehicle Care

10-13

coolant for the cooling system. See Recommended Fluids and Lubricants on page 11‑12. Never dispose of engine coolant by putting it in the trash, pouring it on the ground, or into sewers, streams, or bodies of water. Have the coolant changed by an authorized service center, familiar with legal requirements regarding used coolant disposal. This will help protect the environment and your health. Checking Coolant The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant recovery tank. If the coolant inside the coolant recovery tank is boiling, do not do anything else until it cools down. If coolant is visible but the coolant level is not at or above the FULL COLD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOL coolant at the coolant recovery tank, but be sure

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10-14

Vehicle Care

the cooling system is cool before this is done. See Engine Overheating on page 10‑16.

The coolant recovery tank cap has this symbol on it. When the engine is cold, the coolant level should be at or above the FULL COLD line marked on the recovery tank. When the engine is hot, the level could be higher than the FULL COLD line. If the coolant is below the FULL COLD line when the engine is hot, there could be a leak in the cooling system. If the coolant is low, add the coolant or take the vehicle to a dealer for service.

How to Add Coolant to the Recovery Tank

How to Add Coolant to the Radiator

{ WARNING

{ WARNING

You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine.

Notice: This vehicle has a specific coolant fill procedure. Failure to follow this procedure could cause the engine to overheat and be severely damaged. If coolant is needed, add the proper DEX-COOL coolant mixture at the coolant recovery tank.

Steam and scalding liquids from a hot cooling system can blow out and burn you badly. Never turn the cap when the cooling system, including the surge tank pressure cap, is hot. Wait for the cooling system and surge tank pressure cap to cool.

If coolant is needed, add the proper mixture directly to the radiator, but be sure the cooling system is cool before this is done.

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Vehicle Care

10-15

1. Detach the fasteners and lift off

the panel that covers the radiator cap.

2. Remove the radiator pressure cap when the cooling system, including the upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise about one full turn. If a hiss is heard, wait for that to stop. A hiss means there is still some pressure left in the system.

3. Keep turning the pressure cap

slowly and remove it.

4. Fill the radiator to the base of the filler neck with the proper DEX-COOL coolant mixture.

5. Fill the coolant recovery tank to

the FULL COLD mark.

6. Reinstall the cap on the coolant

recovery tank but leave the radiator pressure cap off.

7. Start the engine and let it run until the upper radiator hose feels warm. Any time during this procedure, watch out for the engine cooling fans.

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10-16

Vehicle Care

8.

If the coolant level inside the radiator filler neck is low, add more of the proper DEX-COOL coolant mixture through the filler neck until the level is back up to the base of the filler neck.

9. Replace the pressure cap tightly.

At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap.

Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured.

Engine Overheating The vehicle has several indicators to warn of engine overheating. There is an engine coolant temperature gauge on the instrument panel cluster. See Engine Coolant Temperature Gauge on page 5‑12.

The vehicle may also display an ENGINE OVERHEATED IDLE ENGINE and ENGINE OVERHEATED STOP ENGINE message in the Driver Information Center (DIC). See Engine Cooling System Messages on page 5‑33. You may decide not to lift the hood when this warning appears, but instead get service help right away. See Roadside Assistance Program (Mexico) on page 13‑7 or Roadside Assistance Program (U.S. and Canada) on page 13‑10. If you do decide to lift the hood, make sure the vehicle is parked on a level surface. Then check to see if the engine cooling fans are running. If the engine is overheating, both fans should be running. If they are not, do not continue to run the engine and have the vehicle serviced. Notice: Running the engine without coolant may cause damage or a fire. Vehicle damage would not be covered by the

warranty. See Overheated Engine Protection Operating Mode on page 10‑17 for information on driving to a safe place in an emergency. If Steam Is Coming from the Engine Compartment { WARNING

Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine if you see or hear steam coming from it. Turn it off and get everyone away from the vehicle until it cools down. Wait until there is no sign of steam or coolant before you open the hood. If you keep driving when the vehicles engine is overheated, the liquids in it can catch fire. You or others could be badly burned.

(Continued)

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WARNING (Continued)

Stop the engine if it overheats, and get out of the vehicle until the engine is cool. See Overheated Engine Protection Operating Mode on page 10‑17 for information on driving to a safe place in an emergency.

If No Steam Is Coming from the Engine Compartment If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: . Climbs a long hill on a hot day. . Stops after high-speed driving. Idles for long periods in traffic. Tows a trailer.

If the overheat warning is displayed with no sign of steam: 1. Turn the air conditioning off. 2. Turn the heater on to the highest

3.

temperature and to the highest fan speed. Open the windows as necessary. If in a traffic jam, shift to N (Neutral); otherwise, shift to the highest gear while driving — D (Drive) or L (Low).

If the temperature overheat gauge is no longer in the overheat zone or an overheat warning no longer displays, the vehicle can be driven. Continue to drive the vehicle slow for about 10 minutes. Keep a safe vehicle distance from the car in front of you. If the warning does not come back on, continue to drive normally. If the warning continues, pull over, stop, and park the vehicle right away.

Vehicle Care

10-17

If there is no sign of steam, idle the engine for three minutes while parked. If the warning is still displayed, turn off the engine until it cools down. Also, see “Overheated Engine Protection Operating Mode” next in this section.

Overheated Engine Protection Operating Mode This emergency operating mode lets the vehicle be driven to a safe place in an emergency situation. If an overheated engine condition exists, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. In this mode, there is a significant loss in power and engine performance. The temperature gauge indicates an overheat condition exists. Driving extended distances and/or towing a trailer in the overheat protection mode should be avoided.

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10-18

Vehicle Care

Notice: After driving in the overheated engine protection operating mode, to avoid engine damage, allow the engine to cool before attempting any repair. The engine oil will be severely degraded. Repair the cause of coolant loss, change the oil and reset the oil life system. See Engine Oil on page 10‑7.

Power Steering Fluid

The power steering fluid reservoir is located under the engine cover on the passenger side of the vehicle. See Engine Compartment Overview on page 10‑5 for reservoir location.

When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. Have the system inspected and repaired. How to Check Power Steering Fluid To check the power steering fluid: 1. Turn the key off and let the

engine compartment cool down. 2. Remove the engine cover. See

Engine Cover on page 10‑6.

3. Wipe the cap and the top of the

reservoir clean.

4. Unscrew the cap and wipe the

dipstick with a clean rag.

5. Replace the cap and completely

tighten it.

6. Remove the cap again and look at the fluid level on the dipstick.

The fluid level should be somewhere between the MAX and MIN line on the dipstick in room temperature. If the fluid is on or below the MIN line, add fluid close to the MAX Line. What to Use To determine what kind of fluid to use, see Recommended Fluids and Lubricants on page 11‑12. Always use the proper fluid. Notice: Use of the incorrect fluid may damage the vehicle and the damages may not be covered by the vehicle's warranty. Always use the correct fluid listed in Recommended Fluids and Lubricants on page 11‑12.

Washer Fluid

What to Use When adding windshield washer fluid, be sure to read the manufacturer's instructions before use. If the vehicle will be operating in an area where the temperature

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may fall below freezing, use a fluid that has sufficient protection against freezing. Adding Washer Fluid When the windshield washer fluid reservoir is low, a WASHER FLUID LOW ADD FLUID message will be displayed on the Driver Information Center (DIC). See Washer Fluid Messages on page 5‑41 for more information.

Open the cap with the washer symbol on it. Add washer fluid until the tank is full. See Engine Compartment Overview on page 10‑5 for reservoir location.

Notice

. When using concentrated

washer fluid, follow the manufacturer instructions for adding water.

. Do not mix water with

ready-to-use washer fluid. Water can cause the solution to freeze and damage the washer fluid tank and other parts of the washer system.

. Fill the washer fluid tank only

three-quarters full when it is very cold. This allows for fluid expansion if freezing occurs, which could damage the tank if it is completely full.

. Do not use engine coolant

(antifreeze) in the windshield washer. It can damage the windshield washer system and paint.

Vehicle Care

10-19

Brakes This vehicle has disc brakes. Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are worn and new pads are needed. The sound can come and go or be heard all the time the vehicle is moving, except when applying the brake pedal firmly.

{ WARNING

The brake wear warning sound means that soon the brakes will not work well. That could lead to a crash. When the brake wear warning sound is heard, have the vehicle serviced.

Notice: Continuing to drive with worn-out brake pads could result in costly brake repair.

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10-20

Vehicle Care

Some driving conditions or climates can cause a brake squeal when the brakes are first applied or lightly applied. This does not mean something is wrong with the brakes. Properly torqued wheel nuts are necessary to help prevent brake pulsation. When tires are rotated, inspect brake pads for wear and evenly tighten wheel nuts in the proper sequence to torque specifications in Capacities and Specifications on page 12‑2. Brake linings should always be replaced as complete axle sets. Brake Pedal Travel See your dealer if the brake pedal does not return to normal height, or if there is a rapid increase in pedal travel. This could be a sign that brake service might be required. Brake Adjustment Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear.

Replacing Brake System Parts The braking system on a vehicle is complex. Its many parts have to be of top quality and work well together if the vehicle is to have really good braking. The vehicle was designed and tested with top-quality brake parts. When parts of the braking system are replaced, be sure to get new, approved replacement parts. If this is not done, the brakes might not work properly. For example, installing disc brake pads that are wrong for the vehicle, can change the balance between the front and rear brakes — for the worse. The braking performance expected can change in many other ways if the wrong replacement brake parts are installed.

Brake Fluid

The brake master cylinder reservoir is filled with DOT 3 brake fluid as indicated on the reservoir cap. See Engine Compartment Overview on page 10‑5 for the location of the reservoir. There are only two reasons why the brake fluid level in the reservoir might go down:

The brake fluid level goes down because of normal brake lining wear. When new linings are installed, the fluid level goes back up.

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. A fluid leak in the brake

hydraulic system can also cause a low fluid level. Have the brake hydraulic system fixed, since a leak means that sooner or later the brakes will not work well.

Do not top off the brake fluid. Adding fluid does not correct a leak. If fluid is added when the linings are worn, there will be too much fluid when new brake linings are installed. Add or remove brake fluid, as necessary, only when work is done on the brake hydraulic system.

{ WARNING

If too much brake fluid is added, it can spill on the engine and burn, if the engine is hot enough. You or others could be burned, and the vehicle could be damaged. Add brake fluid only when work is done on the brake hydraulic system.

When the brake fluid falls to a low level, the brake warning light comes on. See Brake System Warning Light on page 5‑18.

What to Add Use only new DOT 3 brake fluid from a sealed container. See Recommended Fluids and Lubricants on page 11‑12. Always clean the brake fluid reservoir cap and the area around the cap before removing it. This helps keep dirt from entering the reservoir.

{ WARNING

With the wrong kind of fluid in the brake hydraulic system, the brakes might not work well. This could cause a crash. Always use the proper brake fluid.

Vehicle Care

10-21

Notice

. Using the wrong fluid can

badly damage brake hydraulic system parts. For example, just a few drops of mineral-based oil, such as engine oil, in the brake hydraulic system can damage brake hydraulic system parts so badly that they will have to be replaced. Do not let someone put in the wrong kind of fluid.

. If brake fluid is spilled on the

vehicle's painted surfaces, the paint finish can be damaged. Be careful not to spill brake fluid on the vehicle. If you do, wash it off immediately.

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10-22

Vehicle Care

Battery Refer to the replacement number on the original battery label when a new battery is needed.

{ WARNING

Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.

Vehicle Storage

{ WARNING

Batteries have acid that can burn you and gas that can explode. You can be badly hurt if you are not careful. See Jump Starting on page 10‑68 for tips on working around a battery without getting hurt.

Infrequent Usage: Remove the black, negative (−) cable from the battery to keep the battery from running down. Extended Storage: Remove the black, negative (−) cable from the battery or use a battery trickle charger.

All-Wheel Drive Transfer case fluid does not require checking unless there is a fluid leak or unusual noise. If required, have the transfer case serviced by your dealer.

Starter Switch Check

{ WARNING When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.

1. Before starting this check, be

sure there is enough room around the vehicle.

2. Firmly apply both the parking brake and the regular brake. See Parking Brake on page 9‑26. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts.

3. Try to start the engine in each gear. The vehicle should start only in P (Park) or N (Neutral). If the vehicle starts in any other position, contact your dealer for service.

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Automatic Transmission Shift Lock Control Function Check

{ WARNING When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.

1. Before starting this check, be

sure there is enough room around the vehicle. It should be parked on a level surface.

2. Firmly apply the parking brake.

See Parking Brake on page 9‑26. Be ready to apply the regular brake immediately if the vehicle begins to move.

3. With the engine off, turn the

ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service.

Ignition Transmission Lock Check While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.

The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). The ignition key should come out only in LOCK/OFF.

Contact your dealer if service is required.

Vehicle Care

10-23

Park Brake and P (Park) Mechanism Check { WARNING

When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move.

Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake.

To check the parking brake's holding ability: With the engine running and the transmission in N (Neutral), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only.

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10-24

Vehicle Care

To check the P (Park) mechanism's holding ability: With the engine running, shift to P (Park). Then release the parking brake followed by the regular brake.

Contact your dealer if service is required.

Wiper Blade Replacement

Front Wiper Blade Windshield wiper blades should be inspected for wear or cracking. See Maintenance Schedule on page 11‑2. Replacement blades come in different types and are removed in different ways. For the proper type and size, see Maintenance Replacement Parts on page 11‑13.

To replace the wiper blade assembly: 1. Pull the windshield wiper assembly away from the windshield.

2. Squeeze the tabs on each side

of the wiper blade assembly and slide the assembly off the end of the wiper arm.

3.

Install the new blade onto the arm connector and make sure the tabs are fully set in the locked position. Allowing the wiper blade arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by your warranty. Do not allow the wiper blade arm to touch the windshield.

4. Repeat the steps for the other

blade.

Rear Wiper Blade To replace the rear wiper blade: 1. Pull the wiper blade assembly

away from the backglass. The rear wiper blade will not lock in a vertical position so care should be used when pulling it away from the vehicle.

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Vehicle Care

10-25

Windshield Replacement The vehicle is equipped with an acoustic windshield. If you ever have to have the windshield replaced be sure to get an acoustic windshield so you will continue to have the benefits an acoustic windshield can provide.

Headlamp Aiming Headlamp aim has been preset and should need no further adjustment. If the vehicle is damaged in a crash, the headlamp aim may be affected. If adjustment to the headlamps is necessary, see your dealer.

2. Push the release lever (2) to

disengage the hook and push the wiper arm (1) out of the blade assembly (3).

3. Push the new blade assembly securely in the wiper arm hook until the release lever clicks into place.

4. Return the wiper arm and blade assembly to the rest position on the glass.

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Replacement Bulbs

Exterior Lamp

License Plate Lamp

Bulb

Number 194LL

For replacement bulbs not listed here, contact your dealer.

10-26

Vehicle Care

Bulb Replacement For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑26. For any bulb‐changing procedure not listed in this section, contact your dealer.

LED Lighting This vehicle has several LED lamps. For replacement of any LED lighting assembly, contact your dealer.

License Plate Lamp To replace one of these bulbs: 1. Remove the two push pins

holding each of the license plate lamps to the liftgate trim by unscrewing them.

2. Turn and pull the license plate

lamp forward through the liftgate trim opening.

3. Turn the bulb socket

counterclockwise and pull the bulb straight out of the socket. Install the new bulb.

4. 5. Reverse Steps 1–3 to reinstall

the license plate lamp.

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Electrical System

High Voltage Devices and Wiring

{ WARNING

Exposure to high voltage can cause shock, burns, and even death. The high voltage components in the vehicle can only be serviced by technicians with special training. High voltage components are identified by labels. Do not remove, open, take apart, or modify these components. High voltage cable or wiring has orange covering. Do not probe, tamper with, cut, or modify high voltage cable or wiring.

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.

Vehicle Care

10-27

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.

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10-28

Vehicle Care

Fuses and Circuit Breakers The wiring circuits in your vehicle are protected from short circuits by a combination of fuses, circuit breakers and fusible thermal links. This greatly reduces the chance of fires caused by electrical problems. Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure you replace a bad fuse with a new one of the identical size and rating. Fuses of the same amperage can be temporarily borrowed from another fuse location, if a fuse goes out. Replace the fuse as soon as you can.

Engine Compartment Fuse Block The underhood fuse block is in the engine compartment, on the passenger side of the vehicle.

Notice: Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component. To remove fuses, hold the end of the fuse between your thumb and index finger and pull straight out.

Lift the cover for access to the fuse/ relay block.

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Acadia with HID Lighting

Vehicle Care

10-29

The vehicle may not be equipped with all of the fuses, relays, and features shown.

Fuses

Usage

A/C CLTCH Air Conditioning

ABS MTR

Clutch Antilock Brake System (ABS) Motor Adaptive Forward Lighting System Airbag System AUX POWER Auxiliary Power

AIRBAG

AFS

AUX

VAC PUMP

AWD

BATT 1
BATT 2
BATT 3
CIGAR

LIGHTER

Auxiliary Vacuum Pump All-Wheel-Drive System Battery 1
Battery 2
Battery 3
Cigarette Lighter

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10-30

Vehicle Care

Fuses ECM 1

Usage

Engine Control Module 1

EMISSION 1 Emission 1
EMISSION 2 Emission 2
EVEN COILS Even Injector Coils

FAN 1
FAN 2

FSCM

HORN

HTD MIR

HUMIDITY/

MAF

Cooling Fan 1
Cooling Fan 2
Headlamp Washer (China)/Fog Lamps (GMC) Fuel System Control Module Horn Heated Outside Rearview Mirror Humidity Sensor/ MAF Sensor

HVAC BLWR Heating,

Ventilation, and Air Conditioning Blower

Fuses

Usage

Fuses

Usage

LT HI BEAM Left High-Beam

RT LO BEAM Right Low-Beam

Headlamp

LT LO BEAM Left Low-Beam

RT PRK

LT PRK LT TRLR STOP/TRN

Headlamp Left Parking Lamp Trailer Left Stoplamp and Turn Signal

PCM IGN

ODD COILS Odd Injector Coils Powertrain Control Module Ignition PWR L/GATE Power Liftgate

PWR

OUTLET RR APO

Power Outlet

Rear Accessory Power Outlet

RR DEFOG Rear Defogger RR HVAC

Rear Climate Control System

RT HI BEAM Right High-Beam

Headlamp

Headlamp Right Parking Lamp Trailer Right Stoplamp and Turn Signal

RT TRLR STOP/TRN

RVC SNSR Regulated Voltage

Control Sensor Sunroof

Service Repair Spare Stoplamps (China Only)

S/ROOF/

SUNSHADE

SERVICE SPARE STOP LAMPS

(China Only)

STRTR

TCM

TRANS

Starter Transmission Control Module Transmission

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Vehicle Care

10-31

Relays

Stop Lamps (China Only)

TRLR

BCK/UP

WPR

WPR HI

Usage Stop Lamps (China Only) Trailer Back-up Lamps Windshield Wiper Windshield Wiper High Speed

Usage

Relays

Usage

Fuses TRLR

BCK/UP

Trailer Back-up Lamps

TRLR BRK Trailer Brake

TRLR

Trailer Parking Lamps

PRK LAMP TRLR PWR Trailer Power WPR/WSW Windshield Wiper/

Washer

Usage

Air Conditioning Compressor Clutch

Auxiliary Vacuum Pump Switched Power Cooling Fan 1
Cooling Fan 2
Cooling Fan 3

Relays

A/C

CMPRSR CLTCH

AUX

VAC PUMP

CRNK FAN 1
FAN 2
FAN 3

HDLP WASH

(CHINA)

FOG

LAMP (GMC)

HI BEAM

HID/

LO BEAM

HORN

IGN

LT TRLR STOP/TRN

Headlamp Washer (China)/Fog Lamps (GMC)

High-Beam Headlamps High Intensity Discharge (HID) Low-Beam Headlamps Horn Ignition Main Trailer Left Stoplamp and Turn Signal Lamp

PRK LAMP Parking Lamp PWR/TRN RR DEFOG Rear Window

Powertrain

RT TRLR STOP/TRN

Defogger Trailer Right Stoplamp and Turn Signal Lamp

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10-32

Vehicle Care

Acadia with Halogen Lighting

The vehicle may not be equipped with all of the fuses, relays, and features shown.

Fuses

Usage

A/C CLTCH Air Conditioning

ABS MTR

Clutch Antilock Brake System (ABS) Motor Airbag System AUX POWER Auxiliary Power

AIRBAG

AUX

VAC PUMP

AWD

BATT 1
BATT 2
BATT 3
CIGAR

LIGHTER

ECM 1

Auxiliary Vacuum Pump All-Wheel-Drive System Battery 1
Battery 2
Battery 3
Cigarette Lighter

Engine Control Module 1

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Fuses

Usage

EMISSION 1 Emission 1
EMISSION 2 Emission 2
EVEN COILS Even Injector Coils

FAN 1
FAN 2
RT DRL

FSCM

HORN

HTD MIR

HUMIDITY/

MAF

Cooling Fan 1
Cooling Fan 2
Right Daytime Running Lamp Fuel System Control Module Horn Heated Outside Rearview Mirror Humidity Sensor/ MAF Sensor

HVAC BLWR Heating,

Ventilation, and Air Conditioning Blower

Fuses LT DRL

LT PRK LT TRLR STOP/TRN

Usage Left Daytime Running Lamp Left Parking Lamp Trailer Left Stoplamp and Turn Signal

PCM IGN

ODD COILS Odd Injector Coils Powertrain Control Module Ignition PWR L/GATE Power Liftgate

PWR

OUTLET RR APO

Power Outlet

Rear Accessory Power Outlet

RR DEFOG Rear Defogger RR HVAC

Rear Climate Control System RT HI BEAM Right Hi-Beam

LT HI BEAM Left High-Beam

Headlamp

RT PRK

Headlamp Right Parking Lamp

Vehicle Care

10-33

Fuses

RT TRLR STOP/TRN

Usage Trailer Right Stoplamp and Turn Signal

RVC SNSR Regulated Voltage

Control Sensor Sunroof

S/ROOF/

SUNSHADE

SERVICE SPARE

Service Repair Spare

FOG LAMPS Fog Lamps

STRTR

TCM

TRANS TRLR

BCK/UP

Starter Transmission Control Module Transmission Trailer Back-up Lamps

TRLR BRK Trailer Brake

TRLR

PRK LAMP

Trailer Parking Lamps

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Vehicle Care

Fuses

Usage TRLR PWR Trailer Power WPR/WSW Windshield Wiper/

Washer

Relays

A/C

CMPRSR CLTCH

AUX

VAC PUMP

CRNK FAN 1
FAN 2
FAN 3
RT DRL

HI BEAM

LT DRL

HORN

Usage

Air Conditioning Compressor Clutch

Auxiliary Vacuum Pump Switched Power Cooling Fan 1
Cooling Fan 2
Cooling Fan 3
Right Daytime Running Lamp High-Beam Headlamps Left Daytime Running Lamp Horn

Relays

IGN

LT TRLR STOP/TRN

Usage Ignition Main Trailer Left Stoplamp and Turn Signal Lamp

PRK LAMP Parking Lamp PWR/TRN RR DEFOG Rear Window

Powertrain

RT TRLR STOP/TRN

Defogger Trailer Right Stoplamp and Turn Signal Lamp

FOG LAMPS Fog Lamps

TRLR

BCK/UP

WPR

WPR HI

Trailer Back-up Lamps Windshield Wiper Windshield Wiper High Speed

Instrument Panel Fuse Block

The instrument panel fuse block is under the instrument panel on the passenger side of the vehicle. Pull down on the cover to access the fuse block.

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Fuses

Usage

) )

) ) )

AIRBAG

AMP BCK

UP/STOP

BCM

CNSTR VENT CTSY DR LCK

GMC NON HID = Lo Beam GMC NON HID = High Shutter Chevy = Fog Lamps Buick China = Rear Fog Lamp Airbag Amplifier Back-up Lamp/ Stoplamp Body Control Module Canister Vent

Courtesy Lamps Door Locks

Vehicle Care

10-35

Fuses DRL/

LO BEAM

DSPLY EMPTY

Usage

Daytime Running Lamps Relay/Low Beam Headlamps Relay Display Empty

FRT WSW Front Windshield

HTD/

COOL SEAT

HVAC

INADV PWR INT LAMPS

INFOTMNT/

MSM

Washer Heated/Cooling Seats Heating, Ventilation, and Air Conditioning Inadvertent Power/ Interior Light Pipe Lamps Infotainment/ Memory Seat Module

LT TRN SIG Driver Side Turn

Signal

Fuse Side

The vehicle may not be equipped with all of the fuses, relays, and features shown.

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Vehicle Care

Fuses PDM

Usage

Power Mirrors, Liftgate Release

PWR MODE Power Mode

PWR MIR

RDO

Power Mirrors Radio

REAR WPR Rear Wiper

RPA/

SBZA/UGDO

Rear Park Assist/ Side Blind Zone Alert/Universal Garage Door Opener

RT TRN SIG Passenger Side

STR WHL

ILLUM

Turn Signal Steering Wheel Illumination

Relays

LT/

PWR/SEAT

RT/

Usage

Driver Side Power Seat Relay Passenger Side Power Seat Relay

PWR/SEAT PWR/WNDW Power Windows

PWR/

COLUMN L/GATE

LCK

Relay Power Steering Column Relay Liftgate Relay Power Lock Relay

UNLCK

REAR/WSW Rear Window Washer Relay Power Unlock Relay Daytime Running Lamps Relay/Low Beam Headlamps Relay

LO BEAM

DRL/

Relay Side

LT/UNLCK Driver Side Unlock

Relay

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Relays DRL/

LO BEAM

Usage

Daytime Running Lamps Relay (If Equipped)

FOG LAMPS Fog Lamps Relay

(Chevy)

FRT/WSW Front Windshield

Washer Relay

Wheels and Tires

Tires Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additional information refer to the tire manufacturer.

{ WARNING

. Poorly maintained and

improperly used tires are dangerous.

. Overloading the tires can

cause overheating as a result of too much flexing. There could be a blowout

(Continued)

Vehicle Care

10-37

WARNING (Continued)

and a serious crash. See Vehicle Load Limits on page 9‑9.

. Underinflated tires pose

the same danger as overloaded tires. The resulting crash could cause serious injury. Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked when the tires are cold.

. Overinflated tires are more likely to be cut, punctured, or broken by a sudden impact — such as when hitting a pothole. Keep tires at the recommended pressure.

(Continued)

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Vehicle Care

WARNING (Continued)

. Worn or old tires can

cause a crash. If the tread is badly worn, replace them.

. Replace any tires that

have been damaged by impacts with potholes, curbs, etc.

. Improperly repaired tires can cause a crash. Only the dealer or an authorized tire service center should repair, replace, dismount, and mount the tires.

. Do not spin the tires in

excess of 56 km/h (35 mph) on slippery surfaces such as snow, mud, ice, etc. Excessive spinning may cause the tires to explode.

All-Season Tires This vehicle may come with all-season tires. These tires are designed to provide good overall performance on most road surfaces and weather conditions. Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. Original equipment all-season tires can be identified by the last two characters of this TPC code, which will be “MS.” Consider installing winter tires on the vehicle if frequent driving on snow or ice-covered roads is expected. All-season tires provide adequate performance for most winter driving conditions, but they may not offer the same level of traction or performance as winter tires on snow or ice-covered roads. See Winter Tires on page 10‑38.

Winter Tires This vehicle was not originally equipped with winter tires. Winter tires are designed for increased traction on snow and ice-covered roads. Consider installing winter tires on the vehicle if frequent driving on snow or ice-covered roads is expected. See your dealer for details regarding winter tire availability and proper tire selection. Also, see Buying New Tires on page 10‑52. With winter tires, there may be decreased dry road traction, increased road noise, and shorter tread life. After changing to winter tires, be alert for changes in vehicle handling and braking. If using winter tires: . Use tires of the same brand and

tread type on all four wheel positions.

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. Use only radial ply tires of the

same size, load range, and speed rating as the original equipment tires.

Winter tires with the same speed rating as the original equipment tires may not be available for H, V, W, Y, and ZR speed rated tires. If winter tires with a lower speed rating are chosen, never exceed the tire's maximum speed capability.

Summer Tires This vehicle may come with high performance summer tires. These tires have a special tread and compound that are optimized for maximum dry and wet road performance. This special tread and compound will decrease performance in cold climates, and on ice and snow. We recommend installing winter tires on the vehicle if frequent driving in cold temperatures or on snow or ice covered roads is expected. See Winter Tires on page 10‑38.

Tire Sidewall Labeling Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall.

Passenger (P-Metric) Tire Example (1) Tire Size: The tire size is a combination of letters and numbers used to define a particular tire's width, height, aspect ratio, construction type,

Vehicle Care

10-39

and service description. See the “Tire Size” illustration later in this section. (2) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. GM's TPC specifications meet or exceed all federal safety guidelines. (3) DOT (Department of Transportation): The Department of Transportation (DOT) code indicates that the tire is in compliance with the U.S. Department of Transportation Motor Vehicle Safety Standards.

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(6) Uniform Tire Quality Grading (UTQG): Tire manufacturers are required to grade tires based on three performance factors: treadwear, traction, and temperature resistance. For more information see Uniform Tire Quality Grading on page 10‑54. (7) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load.

10-40

Vehicle Care

DOT Tire Date of Manufacture: The last four digits of the TIN indicate the tire manufactured date. The first two digits represent the week (01– 52) and the last two digits, the year. For example, the third week of the year 2010 would have a four-digit DOT date of 0310. (4) Tire Identification Number (TIN): The letters and numbers following the DOT (Department of Transportation) code are the Tire Identification Number (TIN). The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture. (5) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread.

Compact Spare Tire Example (1) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread. (2) Temporary Use Only: The compact spare tire or temporary use tire should not be driven at speeds over 80 km/h (50 mph). The compact spare tire is for emergency use when a regular road tire has lost air and gone flat. If the vehicle has a compact

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spare tire, see Compact Spare Tire on page 10‑67 and If a Tire Goes Flat on page 10‑57. (3) Tire Identification Number (TIN): The letters and numbers following the DOT (Department of Transportation) code are the Tire Identification Number (TIN). The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture. (4) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load. (5) Tire Inflation: The temporary use tire or compact spare tire should be inflated to 420 kPa (60 psi).

For more information on tire pressure and inflation see Tire Pressure on page 10‑45. (6) Tire Size: A combination of letters and numbers define a tire's width, height, aspect ratio, construction type, and service description. The letter T as the first character in the tire size means the tire is for temporary use only. (7) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. GM's TPC specifications meet or exceed all federal safety guidelines.

Vehicle Care

10-41

Tire Designations

Tire Size The following is an example of a typical passenger vehicle tire size.

(1) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter P as the first character in the tire size means a passenger vehicle tire engineered to standards set by the U.S. Tire and Rim Association. (2) Tire Width: The three-digit number indicates the tire section width in millimeters from sidewall to sidewall.

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Vehicle Care

(3) Aspect Ratio: A two-digit number that indicates the tire height-to-width measurements. For example, if the tire size aspect ratio is 60, as shown in item 3 of the illustration, it would mean that the tire's sidewall is 60 percent as high as it is wide. (4) Construction Code: A letter code is used to indicate the type of ply construction in the tire. The letter R means radial ply construction; the letter D means diagonal or bias ply