2013 Chevrolet Malibu Owners Manual

of the headlamp assembly by turning it clockwise.

11. For the driver side, reinstall the

windshield washer bottle filler neck by firmly pushing it straight into the bottle. Ensure that the filler neck clip engages into the underhood electrical center retainer.

Vehicle Care

10-31

8. For the driver side, reinstall the

windshield washer bottle filler neck by firmly pushing it straight into the bottle. Ensure that the filler neck clip engages into the underhood electrical center retainer.

HID Headlamp Assembly The HID assembly has a high intensity discharge (HID) high/low beam, a DRL/parking lamp, sidemarker lamp, and a turn signal lamp on the headlamp assembly. For replacement of the headlamp on an HID assembly, contact your dealer. See High Intensity Discharge (HID) Lighting on page 10‑29.

Low-Beam Headlamp 1. For the driver side bulb, remove

the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle. 2. Remove the cap from the back

of the headlamp assembly by turning it counterclockwise.

3. Disconnect the electrical

connector.

4. Remove the bulb from the lamp

assembly by turning counterclockwise. Install a new bulb in the lamp assembly.

5.

6. Connect the electrical connector. 7. Replace the cap from the back

of the headlamp assembly by turning it clockwise.

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Vehicle Care

Passenger Side Shown, Driver Side Similar 1. Turn Signal Lamp 2. DRL/Parking Lamp 3. Sidemarker Lamp

Fog Lamps To replace the front fog lamp bulb:

1. Remove the five access panel

fasteners under the front fascia.

2. Lower the panel far enough to

access the fog lamp bulb.

Front Turn Signal, Parking, and Sidemarker Lamps To replace one of these lamps on a base, uplevel, or HID assembly: 1. For the driver side bulb, remove

the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle.

2. Remove the bulb socket from

the headlamp assembly by turning it counterclockwise. 3. Remove the bulb from the

socket.

4. Replace the bulb in the bulb

5.

socket. Install the bulb socket in the headlamp assembly by turning it clockwise.

6. For the driver side, reinstall the

windshield washer bottle filler neck by firmly pushing it straight into the bottle. Ensure that the filler neck clip engages into the underhood electrical center retainer.

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Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps (LS and LT)

Vehicle Care

10-33

3. Remove the bulb socket by

turning counterclockwise and pulling straight out.

4. Remove the bulb from the

socket. Install the new bulb in the bulb socket. Install the bulb socket by turning clockwise. Install the trunk deck trim.

5.

6.

7.

3. Remove the bulb by turning it counterclockwise and pulling it straight out of the assembly.

4. Disconnect the electrical

connector from the fog lamp bulb assembly. Install the new bulb by turning it clockwise into the assembly.

5.

6. Reverse Steps 1–4 to reinstall.

1. Back-Up Lamp 2. Taillamp

Trunk Deck Inboard Taillamp and Back-Up Lamp 1. Open the trunk. See Trunk on

page 2‑13.

2. Remove the push pins and pull

back the trunk deck trim.

1. Stoplamp/Taillamp 2. Turn Signal Lamp

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Vehicle Care

Notice: Improper lamp assembly removal and installation can cause leaks and water intrusion which may cause damage to the taillamp. Do not remove the taillamp assembly to replace a bulb. Use the trunk opening to access the bulb. To replace any one of these bulbs:

Stoplamp/Taillamp and Turn Signal Lamp 1. Open the trunk. See Trunk on

page 2‑13.

2. Remove the push pins and pull

the trunk trim away from the taillamp assembly.

3. Remove the bulb socket from

the taillamp assembly by turning it counterclockwise.

4. Remove the bulb from the socket by turning the bulb counterclockwise one-quarter turn and pulling it straight out.

5.

6.

7.

Install a new bulb into the socket. Install the bulb socket into the taillamp assembly by turning it clockwise. Install the trunk trim and push pins.

Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps (LTZ) The trunk deck inboard taillamp is an LED. To replace the taillamp see your dealer.

Back-Up Lamp 1. Open the trunk. See Trunk on

page 2‑13.

2. Remove the push pins and pull

back the trunk deck trim.

3. Remove the bulb socket by

turning counterclockwise and pulling straight out.

4. Remove the bulb from the

socket. Install the new bulb in the bulb socket. Install the bulb socket by turning clockwise. Install the trunk deck trim.

5.

6.

7.

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Notice: Improper lamp assembly removal and installation can cause leaks and water intrusion which may cause damage to the taillamp. Do not remove the taillamp assembly to replace a bulb. Use the trunk opening to access the bulb. The stoplamp/taillamp is an LED. To replace the stoplamp/taillamp see your dealer.

Turn Signal Lamp 1. Open the trunk. See Trunk on

page 2‑13.

2. Remove the push pins and pull

the trunk trim away from the taillamp assembly.

3. Remove the bulb socket from

the taillamp assembly by turning it counterclockwise.

5.

4. Remove the bulb from the socket by turning the bulb counterclockwise one-quarter turn and pulling it straight out. Install a new bulb into the socket. Install the bulb socket into the taillamp assembly by turning it clockwise. Install the trunk trim and push pins.

6.

7.

Vehicle Care

10-35

License Plate Lamp To replace one of these bulbs:

Passenger Side Shown, Driver

Side Similar

1. Push the release tab toward the

lamp assembly.

2. Pull the lamp assembly down to

remove.

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Vehicle Care

Exterior Lamp

High-Beam Headlamp (Uplevel) License Plate Lamp Low-Beam Headlamp (Base and Uplevel) Stoplamp/Taillamp (LS and LT) Rear Turn Signal Lamp

Bulb

Number H7 LL

W5W LL H11 LL

7440

7443 NA

For replacement bulbs not listed here, contact your dealer.

Replacement Bulbs

Exterior Lamp

Back-Up Lamp Deck Lid Taillamp DRL and Parking Lamp (HID) Front Fog Lamp Front Parking Lamp (Uplevel) Front Sidemarker Lamp Front Turn Signal Lamp (Base and Uplevel) Front Turn Signal Lamp (HID) High-Beam Headlamp (Base)

Bulb

Number 921 LL

194

7443 ULL

H10
7443

W5WLL

7444NA

7443 NA

9005 LL

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.

5. Push the replacement bulb

straight into the bulb socket and turn the bulb socket clockwise to install it into the lamp assembly.

6. Push the lamp assembly back

into position until the release tab locks into place.

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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

10-37

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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Vehicle Care

Fuses The wiring circuits in the vehicle are protected from short circuits by fuses. This greatly reduces the chance of damage caused by electrical problems. To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to 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 possible. To identify and check fuses, circuit breakers, and relays, see Engine Compartment Fuse Block on page 10‑38 and Instrument Panel Fuse Block on page 10‑42.

Engine Compartment Fuse Block The engine compartment fuse block is on the driver side of the engine compartment, near the battery. Notice: Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.

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Vehicle Care

10-39

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Vehicle Care

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

Mini Fuses

Usage

10

11
13

14

15

Transmission Control Module Battery Engine Control Module Battery Air Conditioning Compressor Clutch Engine Control Module Ignition Spare Ignition Coils Engine Control Module Emissions Transmission Module Ignition Cabin Heater Coolant Pump/SAIR Solenoid MGU Coolant Pump

Mini Fuses

Usage

Mini Fuses

Usage

16

17
18
23
29

30

31

32

33
34

35
37
38

Aero Shutter/eAssist Ignition SDM Ignition Spare eAssist Module Left Seat Power Lumber Control Right Seat Power Lumber Control eAssist Module/ Chassis Control Module Back-Up Lamps/ Interior Lamps Front Heated Seats Antilock Brake System Valve Amplifier Right High Beam Left High Beam

46
47
48
49

50

51
52
53

54

55

56
57
60

Cooling Fan Emissions Foglamp Low Beam HID Headlamp Right Low Beam HID Headlamp Left Horn/Dual Horn Cluster Ignition Inside Rearview Mirror/Rear Camera/ Fuel Module Ignition Heating, Ventilation, and Air Conditioning Module Ignition Front Power Windows/Mirrors Windshield Washer Spare Heated Mirror

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Mini Fuses

Usage

J-Case Fuses

Usage

62

66
67
69

70

71

Canister Vent Solenoid SAIR Solenoid Fuel Module Battery Voltage Sensor Lane Departure/Rear Parking Aid PEPS BATT

J-Case Fuses

Usage

12
21
22
24
25

Front Wiper Starter Rear Power Window Sunroof Front Power Window PEPS MTR

26

27
28
41
42
44

45
59

Antilock Brake System Pump Electric Parking Brake Rear Defogger Brake Vacuum Pump Cooling Fan K2
Transmission Auxiliary Pump (eAssist) Cooling Fan K1
Air Pump Emissions

Mini

Relays

Usage

13
15

Powertrain Cooling Fan K2
Cooling Fan K1
Run/Crank

Vehicle Care

10-41

Mini

Relays

16
17

Micro Relays

10
11

14

Usage

Air Pump Emissions Window/Mirror Defogger

Usage

Air Conditioning Compressor Clutch Starter Solenoid Front Wiper Speed Front Wiper On Cabin Pump eAssist/ SAIR Solenoid Cooling Fan K3
Transmission Oil Pump Headlamp Low Beam/DRL

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10-42

Vehicle Care

Instrument Panel Fuse Block

The instrument panel fuse block is in the instrument panel, on the driver side of the vehicle. To access the fuses, open the fuse panel door by pulling down at the top. Press in on the sides of the door to release it from the instrument panel.

Pull the door toward you to release it from the hinge.

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

Fuses

Usage

Steering Wheel Controls Backlight Right Rear Turn Signal, Left Mirror Turn Signal, Left Front Turn Signal, Door Locks

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Fuses

Usage Left Stoplamp, Left DRL Lamp, Headlamp Control, Right Taillamp, Right Park/Sidemarker Lamps, Right Mirror Turn, Right Front Turn Signals Radio OnStar Front Accessory Power Outlet Console Bin Power Outlet

Fuses

10

11

Usage License Plate Lamp, Center High-Mounted Stoplamp, Rear Fog Lamps, Right Front Park/Sidemarker Lamps, LED Indicator Dim, Washer Pump, Right Stoplamp, Trunk Release Left Low-Beam Headlamp, DRL Body Control Module 8 (J-Case Fuse), Power Locks Front Heater Ventilation Air Conditioning/Blower (J-Case Fuse)

Vehicle Care

10-43

Fuses

Usage

12

13

14

15
16
17

18
19
20

21
22
23

Passenger Seat (Circuit Breaker) Driver Seat (Circuit Breaker) Diagnostic Link Connector Airbag, SDM Trunk Release Heater Ventilation Air Conditioning Controller Audio Main Displays Passenger Occupant Sense Instrument Cluster Ignition Switch Right Low-Beam Headlamp, DRL

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10-44

Vehicle Care

Fuses

24

25
26

Relays

K1
K2
K3

Usage Ambient Light, Switch Backlighting (LED), Trunk Lamp, Shift Lock, Key Capture 110V AC Spare

Usage Trunk Release Not Used Power Outlet 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 and a serious crash. See Vehicle Load Limits on page 9‑10.

. 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.

(Continued)

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WARNING (Continued)

WARNING (Continued)

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.

See Tire Pressure for High-Speed Operation on page 10‑53 for inflation pressure adjustment for high-speed driving.

. 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.

. 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

(Continued)

Vehicle Care

10-45

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 10‑46.

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10-46

Vehicle Care

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 10‑61. 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.

. 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 10‑46.

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,

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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. 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. (6) Uniform Tire Quality Grading (UTQG): Tire manufacturers are required to grade tires based on three

Vehicle Care

10-47

performance factors: treadwear, traction, and temperature resistance. For more information see Uniform Tire Quality Grading on page 10‑63. (7) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load.

Compact Spare Tire Example (1) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread.

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Vehicle Care

(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 spare tire, see Compact Spare Tire on page 10‑90 and If a Tire Goes Flat on page 10‑66. (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 10‑52. (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.

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

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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. (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 construction; and the letter B means belted-bias ply construction.

(5) Rim Diameter: Diameter of the wheel in inches. (6) Service Description: These characters represent the load index and speed rating of the tire. The load index represents the load carrying capacity a tire is certified to carry. The speed rating is the maximum speed a tire is certified to carry a load.

Tire Terminology and Definitions Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight: The combined weight of optional accessories. Some examples of optional accessories are automatic transmission, power

Vehicle Care

10-49

steering, power brakes, power windows, power seats, and air conditioning. Aspect Ratio: The relationship of a tire's height to its width. Belt: A rubber coated layer of cords between the plies and the tread. Cords may be made from steel or other reinforcing materials. Bead: The tire bead contains steel wires wrapped by steel cords that hold the tire onto the rim. Bias Ply Tire: A pneumatic tire in which the plies are laid at alternate angles less than 90 degrees to the centerline of the tread.

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10-50

Vehicle Care

Cold Tire Pressure: The amount of air pressure in a tire, measured in kPa (kilopascal) or psi (pounds per square inch) before a tire has built up heat from driving. See Tire Pressure on page 10‑52. Curb Weight: The weight of a motor vehicle with standard and optional equipment including the maximum capacity of fuel, oil, and coolant, but without passengers and cargo. DOT Markings: A code molded into the sidewall of a tire signifying that the tire is in compliance with the U.S. Department of Transportation (DOT) Motor Vehicle Safety Standards. The DOT code includes the Tire Identification Number (TIN), an alphanumeric designator which can also

identify the tire manufacturer, production plant, brand, and date of production. GVWR: Gross Vehicle Weight Rating. See Vehicle Load Limits on page 9‑10. GAWR FRT: Gross Axle Weight Rating for the front axle. See Vehicle Load Limits on page 9‑10. GAWR RR: Gross Axle Weight Rating for the rear axle. See Vehicle Load Limits on page 9‑10. Intended Outboard Sidewall: The side of an asymmetrical tire, that must always face outward when mounted on a vehicle. Kilopascal (kPa): The metric unit for air pressure. Light Truck (LT-Metric) Tire: A tire used on light duty trucks and some multipurpose passenger vehicles.

Load Index: An assigned number ranging from 1 to 279
that corresponds to the load carrying capacity of a tire. Maximum Inflation Pressure: The maximum air pressure to which a cold tire can be inflated. The maximum air pressure is molded onto the sidewall. Maximum Load Rating: The load rating for a tire at the maximum permissible inflation pressure for that tire. Maximum Loaded Vehicle Weight: The sum of curb weight, accessory weight, vehicle capacity weight, and production options weight. Normal Occupant Weight: The number of occupants a vehicle is designed to seat multiplied by 68 kg (150 lb). See Vehicle Load Limits on page 9‑10.

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Vehicle Care

10-51

Occupant Distribution: Designated seating positions. Outward Facing Sidewall: The side of an asymmetrical tire that has a particular side that faces outward when mounted on a vehicle. The side of the tire that contains a whitewall, bears white lettering, or bears manufacturer, brand, and/or model name molding that is higher or deeper than the same moldings on the other sidewall of the tire. Passenger (P-Metric) Tire: A tire used on passenger cars and some light duty trucks and multipurpose vehicles.

Recommended Inflation Pressure: Vehicle manufacturer's recommended tire inflation pressure as shown on the tire placard. See Tire Pressure on page 10‑52 and Vehicle Load Limits on page 9‑10. Radial Ply Tire: A pneumatic tire in which the ply cords that extend to the beads are laid at 90 degrees to the centerline of the tread. Rim: A metal support for a tire and upon which the tire beads are seated. Sidewall: The portion of a tire between the tread and the bead.

Speed Rating: An alphanumeric code assigned to a tire indicating the maximum speed at which a tire can operate. Traction: The friction between the tire and the road surface. The amount of grip provided. Tread: The portion of a tire that comes into contact with the road. Treadwear Indicators: Narrow bands, sometimes called wear bars, that show across the tread of a tire when only 1.6 mm (1/16 in) of tread remains. See When It Is Time for New Tires on page 10‑60.

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10-52

Vehicle Care

UTQGS (Uniform Tire Quality Grading Standards): A tire information system that provides consumers with ratings for a tire's traction, temperature, and treadwear. Ratings are determined by tire manufacturers using government testing procedures. The ratings are molded into the sidewall of the tire. See Uniform Tire Quality Grading on page 10‑63. Vehicle Capacity Weight: The number of designated seating positions multiplied by 68 kg (150 lb) plus the rated cargo load. See Vehicle Load Limits on page 9‑10. Vehicle Maximum Load on the Tire: Load on an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight.

Vehicle Placard: A label permanently attached to a vehicle showing the vehicle capacity weight and the original equipment tire size and recommended inflation pressure. See “Tire and Loading Information Label” under Vehicle Load Limits on page 9‑10.

Tire Pressure Tires need the correct amount of air pressure to operate effectively. Notice: Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can result in:

. Tire overloading and

overheating which could lead to a blowout.

. Premature or

irregular wear. . Poor handling. . Reduced fuel economy. Overinflated tires, or tires that have too much air, can result in:

. Unusual wear. . Poor handling. . Rough ride. . Needless damage from

road hazards.

The Tire and Loading Information label on the vehicle indicates the original equipment tires and the correct cold tire inflation pressures. The recommended pressure is the minimum air pressure needed to support the vehicle's maximum load carrying capacity. See Vehicle Load Limits on page 9‑10.

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How the vehicle is loaded affects vehicle handling and ride comfort. Never load the vehicle with more weight than it was designed to carry.

When to Check Check the tires once a month or more. Do not forget the compact spare, if the vehicle has one. The cold compact spare tire pressure should be at 420 kPa (60 psi). See Compact Spare Tire on page 10‑90. How to Check Use a good quality pocket-type gauge to check tire pressure. Proper tire inflation cannot be determined by looking at the tire. Check the tire inflation pressure when the tires are cold, meaning the vehicle has not been driven for at least three hours or no more than 1.6 km (1 mi).

Remove the valve cap from the tire valve stem. Press the tire gauge firmly onto the valve to get a pressure measurement. If the cold tire inflation pressure matches the recommended pressure on the Tire and Loading Information label, no further adjustment is necessary. If the inflation pressure is low, add air until the recommended pressure is reached. If the inflation pressure is high, press on the metal stem in the center of the tire valve to release air. Recheck the tire pressure with the tire gauge. Return the valve caps on the valve stems to prevent leaks and keep out dirt and moisture.

Vehicle Care

10-53

Tire Pressure for High-Speed Operation

{ WARNING

Driving at high speeds, 160 km/h (100 mph) or higher, puts an additional strain on tires. Sustained high-speed driving causes excessive heat buildup and can cause sudden tire failure. You could have a crash and you or others could be killed. Some high-speed rated tires require inflation pressure adjustment for high-speed operation. When speed limits and road conditions are such that a vehicle can be driven at high speeds, make sure the tires are rated for high-speed operation, in excellent condition, and set to the correct cold tire inflation pressure for the vehicle load.

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Vehicles with P235/50R18 size tires require inflation pressure adjustment when driving the vehicle at speeds of 160 km/h (100 mph) or higher. Set the cold inflation pressure to 270 kPa (39 psi). Vehicles with P245/40R19 size tires require inflation pressure adjustment when driving the vehicle at speeds of 160 km/h (100 mph) or higher. Set the cold inflation pressure to 310 kPa (45 psi). Return the tires to the recommended cold tire inflation pressure when high-speed driving has ended. See Vehicle Load Limits on page 9‑10 and Tire Pressure on page 10‑52.

Tire Pressure Monitor System The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor

the air pressure in your tires and transmit tire pressure readings to a receiver located in the vehicle. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle placard or tire inflation pressure label, you should determine the proper tire inflation pressure for those tires.) As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly under-inflated. Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a

significantly under-inflated tire causes the tire to overheat and can lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle's handling and stopping ability. Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver's responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale. Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is combined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately one minute and then remain continuously illuminated. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction exists.

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When the malfunction indicator is illuminated, the system may not be able to detect or signal low tire pressure as intended. TPMS malfunctions may occur for a variety of reasons, including the installation of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly. See Tire Pressure Monitor Operation on page 10‑55.

Federal Communications Commission (FCC) Rules and with Industry Canada Standards See Radio Frequency Statement on page 13‑21 for information regarding Part 15 of the Federal Communications Commission (FCC) Rules and with Industry Canada Standards RSS-GEN/210/220/310.

Tire Pressure Monitor Operation This vehicle may have a Tire Pressure Monitor System (TPMS). The TPMS is designed to warn the driver when a low tire pressure condition exists. TPMS sensors are mounted onto each tire and wheel assembly, excluding the spare tire and wheel assembly. The TPMS sensors monitor the air pressure in the tires and transmits the tire pressure readings to a receiver in the vehicle.

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When a low tire pressure condition is detected, the TPMS illuminates the low tire pressure warning light on the instrument cluster. If the warning light comes on, stop as soon as possible and inflate the tires to the recommended pressure shown on the Tire and Loading Information label. See Vehicle Load Limits on page 9‑10. A message to check the pressure in a specific tire displays in the Driver Information Center (DIC). The low tire pressure warning light and the DIC warning message come on at each ignition cycle until the tires are inflated to the correct inflation pressure. Using the DIC, tire pressure levels can be viewed.

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For additional information and details about the DIC operation and displays see Driver Information Center (DIC) on page 5‑25. The low tire pressure warning light may come on in cool weather when the vehicle is first started, and then turn off as the vehicle is driven. This could be an early indicator that the air pressure is getting low and needs to be inflated to the proper pressure. A Tire and Loading Information label, attached to your vehicle, shows the size of the original equipment tires and the correct inflation pressure for the tires when they are cold. See Vehicle Load Limits on page 9‑10, for an example of the Tire and Loading Information label and its location. Also see Tire Pressure on page 10‑52.

Factory-installed Tire Inflator Kits use a GM approved liquid tire sealant. Using non-approved tire sealants could damage the TPMS sensors. See Tire Sealant and Compressor Kit (With Pressure Relief Button) on page 10‑68 or Tire Sealant and Compressor Kit (With Pressure Deflation Button) on page 10‑76 for information regarding the inflator kit materials and instructions.

The TPMS can warn about a low tire pressure condition but it does not replace normal tire maintenance. See Tire Inspection on page 10‑59, Tire Rotation on page 10‑59 and Tires on page 10‑44. Notice: Tire sealant materials are not all the same. A non-approved tire sealant could damage the TPMS sensors. TPMS sensor damage caused by using an incorrect tire sealant is not covered by the vehicle warranty. Always use only the GM-approved tire sealant available through your dealer or included in the vehicle.

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TPMS Malfunction Light and Message The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire warning light flashes for about one minute and then stays on for the remainder of the ignition cycle. A DIC warning message also displays. The malfunction light and DIC warning message come on at each ignition cycle until the problem is corrected. Some of the conditions that can cause these to come on are: . One of the road tires has been

replaced with the spare tire. The spare tire does not have a TPMS sensor. The malfunction light and DIC message should go off after the road tire is replaced and the sensor matching process is performed successfully. See “TPMS Sensor Matching Process” later in this section.

The TPMS sensor matching process was not done or not completed successfully after rotating the tires. The malfunction light and the DIC message should go off after successfully completing the sensor matching process. See "TPMS Sensor Matching Process" later in this section.

. One or more TPMS sensors are

missing or damaged. The malfunction light and the DIC message should go off when the TPMS sensors are installed and the sensor matching process is performed successfully. See your dealer for service.

. Replacement tires or wheels do not match the original equipment tires or wheels. Tires and wheels other than those recommended could prevent the TPMS from functioning properly. See Buying New Tires on page 10‑61.

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. Operating electronic devices or being near facilities using radio wave frequencies similar to the TPMS could cause the TPMS sensors to malfunction.

If the TPMS is not functioning properly it cannot detect or signal a low tire condition. See your dealer for service if the TPMS malfunction light and DIC message comes on and stays on. TPMS Sensor Matching Process Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the vehicle’s tires or replacing one or more of the TPMS sensors. The TPMS sensor matching process should also be performed after replacing a spare tire with a road tire containing the TPMS sensor. The malfunction light and the DIC message should go off at the next ignition cycle.

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The sensors are matched to the tire/ wheel positions, using a TPMS relearn tool, in the following order: driver side front tire, passenger side front tire, passenger side rear tire, and driver side rear. See your dealer for service or to purchase a relearn tool. There are two minutes to match the first tire/wheel position, and five minutes overall to match all four tire/wheel positions. If it takes longer, the matching process stops and must be restarted. The TPMS sensor matching process is: 1. Set the parking brake. 2. Turn the ignition to ON/RUN with

the engine off or place the vehicle power mode in ON/RUN/ START. See Ignition Positions (Key Access) on page 9‑15 or Ignition Positions (Keyless Access) on page 9‑17.

3. Use the MENU button to select the Vehicle Information Menu in the Driver Information Center (DIC).

A horn chirp confirms that the sensor identification code has been matched to this tire and wheel position.

4. Use the thumbwheel to scroll to

9. Proceed to the passenger side

the Tire Pressure Menu Item screen.

front tire, and repeat the procedure in Step 8.

5. Press the SET/CLR button to

10. Proceed to the passenger side

begin the sensor matching process. A message asking if the process should begin should appear.

6. Press the SET/CLR button again

to confirm the selection. The horn sounds twice to signal the receiver is in relearn mode and the TIRE LEARNING ACTIVE message displays on the DIC screen.

7. Start with the driver side

front tire.

8. Place the relearn tool against

the tire sidewall, near the valve stem. Then press the button to activate the TPMS sensor.

rear tire, and repeat the procedure in Step 8.

11. Proceed to the driver side rear tire, and repeat the procedure in Step 8. The horn sounds two times to indicate the sensor identification code has been matched to the driver side rear tire, and the TPMS sensor matching process is no longer active. The TIRE LEARNING ACTIVE message on the DIC display screen goes off.

12. Turn the ignition to LOCK/OFF

or press STOP to turn the ignition off.

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. The tire has a bump, bulge,

or split.

. The tire has a puncture, cut, or other damage that cannot be repaired well because of the size or location of the damage.

Tire Rotation Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule on page 11‑2. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important.

13. Set all four tires to the

recommended air pressure level as indicated on the Tire and Loading Information label.

Tire Inspection We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: . The indicators at three or

more places around the tire can be seen.

. There is cord or fabric

showing through the tire's rubber.

. The tread or sidewall is

cracked, cut, or snagged deep enough to show cord or fabric.

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Anytime unusual wear is noticed, rotate the tires as soon as possible, check for proper tire inflation pressure, and check for damaged tires or wheels. If the unusual wear continues after the rotation, check the wheel alignment. See When It Is Time for New Tires on page 10‑60
and Wheel Replacement on page 10‑65.

Use this rotation pattern when rotating the tires.

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Do not include the compact spare tire in the tire rotation. Adjust the front and rear tires to the recommended inflation pressure on the Tire and Loading Information label after the tires have been rotated. See Tire Pressure on page 10‑52
and Vehicle Load Limits on page 9‑10. Reset the Tire Pressure Monitor System. See Tire Pressure Monitor Operation on page 10‑55. Check that all wheel nuts are properly tightened. See “Wheel Nut Torque” under Capacities and Specifications on page 12‑2.

{ 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 an accident. 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 towel can be used; however, use a scraper or wire brush later to remove all rust or dirt.

Lightly coat the center of the wheel hub with wheel bearing grease after a wheel change or tire rotation to prevent corrosion or rust build-up. Do not get grease on the flat wheel mounting surface or on the wheel nuts or bolts.

When It Is Time for New Tires Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires.

Treadwear indicators are one way to tell when it is time for new tires. Treadwear indicators appear when the tires have only 1.6 mm (1/16 in) or less of tread remaining. See Tire Inspection on page 10‑59 and Tire Rotation on page 10‑59.

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The rubber in tires ages over time. This also applies to the spare tire, if the vehicle has one, even if it is never used. Multiple factors including temperatures, loading conditions, and inflation pressure maintenance affect how fast aging takes place. GM recommends that tires, including the spare if equipped, be replaced after six years, regardless of tread wear. The tire manufacturer date is the last four digits of the DOT Tire Identification Number (TIN) which is molded into one side of the tire sidewall. 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. Vehicle Storage Tires age when stored normally mounted on a parked vehicle. Park a vehicle that will be stored for at least a month in a cool, dry, clean area away from direct sunlight to

slow aging. This area should be free of grease, gasoline, or other substances that can deteriorate rubber. Parking for an extended period can cause flat spots on the tires that may result in vibrations while driving. When storing a vehicle for at least a month, remove the tires or raise the vehicle to reduce the weight from the tires.

Buying New Tires GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system rating. When replacement tires are needed, GM strongly recommends buying tires with the same TPC Spec rating.

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GM's exclusive TPC Spec system considers over a dozen critical specifications that impact the overall performance of the vehicle, including brake system performance, ride and handling, traction control, and tire pressure monitoring performance. GM's TPC Spec number is molded onto the tire's sidewall near the tire size. If the tires have an all-season tread design, the TPC Spec number will be followed by MS for mud and snow. See Tire Sidewall Labeling on page 10‑46. GM recommends replacing worn tires in complete sets of four. Uniform tread depth on all tires will help to maintain the performance of the vehicle. Braking and handling performance may be adversely affected if all the tires are not replaced at the same time.

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If proper rotation and maintenance have been done, all four tires should wear out at about the same time. See Tire Rotation on page 10‑59 for information on proper tire rotation. However, if it is necessary to replace only one axle set of worn tires, place the new tires on the rear axle. 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. Never exceed the winter tire's maximum speed capability when using winter tires with a lower speed rating.

{ WARNING

Tires could explode during improper service. Attempting to mount or dismount a tire

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WARNING (Continued)

could cause injury or death. Only your dealer or authorized tire service center should mount or dismount the tires.

after many miles of driving. A tire and/or wheel could fail suddenly and cause a crash. Use only radial-ply tires with the wheels on the vehicle.

{ WARNING

Mixing tires of different sizes, brands, or types may cause loss of control of the vehicle, resulting in a crash or other