2010 Pontiac VIBE Owners Manual

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 and, on manual transmission vehicles, the clutch hydraulic system use the same reservoir. The reservoir is filled with DOT-3 brake fluid as indicated on the reservoir cap. See Engine Compartment Overview on page 9-6
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.

• A fluid leak in the brake and/or

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

Do not top off the brake/clutch 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.

Vehicle Care

9-27

Add or remove brake fluid, as necessary, only when work is done on the brake/clutch hydraulic system.

{ CAUTION

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 4-17.

9-28

Vehicle Care

What to Add Use only new DOT-3 brake fluid from a sealed container. See Recommended Fluids and Lubricants on page 10-15. Always clean the brake fluid reservoir cap and the area around the cap before removing it. This helps keep dirt from entering the reservoir.

{ CAUTION

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

Notice: (cid:129) Using the wrong fluid can

badly damage brake or clutch hydraulic system parts. For example, just a few drops of mineral-based oil, such as engine oil, in the brake or clutch hydraulic system can damage brake or clutch 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.

Battery This vehicle has a maintenance free battery. When it is time for a new battery, see your dealer/retailer for one that has the replacement number shown on the original battery’s label. See Engine Compartment Overview on page 9-6 for battery location. { 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.

(cid:129) Vehicle Storage

{ CAUTION

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 9-69 for tips on working around a battery without getting hurt.

Infrequent Usage: If the vehicle is driven infrequently, remove the black, negative (−) cable from the battery. This helps keep the battery from running down. Extended Storage: For extended storage of the vehicle, remove the black, negative (−) cable from the battery or use a battery trickle charger. This helps maintain the charge of the battery over an extended period of time.

All-Wheel Drive If you have an all-wheel-drive vehicle, be sure to perform the lubricant checks described in this section. Transfer Case (Power Transfer Unit) When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See Scheduled Maintenance on page 10-3. How to Check Lubricant To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the filler plug hole, you’ll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole. What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Recommended Fluids and Lubricants on page 10-15.

Vehicle Care

9-29

Carrier Assembly-Differential (Rear Drive Module) When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See Scheduled Maintenance on page 10-3.

How to Check Lubricant To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the filler plug hole, you’ll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole. A fluid loss could indicate a problem; check and have it repaired, if needed.

What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Recommended Fluids and Lubricants on page 10-15.

9-30

Vehicle Care

Starter Switch Check

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

1. Before 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 8-33. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts.

3. For automatic transmission

vehicles, 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/retailer for service. For manual transmission vehicles, put the shift lever in Neutral, push the clutch pedal down halfway, and try to start the engine. The vehicle should start only when the clutch pedal is pushed down all the way to the floor. If the vehicle starts when the clutch pedal is not pushed all the way down, contact your dealer/retailer for service.

Wiper Blade Replacement Front Windshield Wiper Windshield wiper blades should be inspected at least twice a year for wear or cracking. Replacement blades come in different types and are removed in different ways. To remove the wiper blade:

1. Pull the windshield wiper arm

away from the windshield.

Vehicle Care

9-31

Rear Windshield Wiper

2. Push the release lever and slide

the wiper assembly toward the driver side of the vehicle.

3. Slide the new wiper assembly

into place.

4. Push the release lever down to

lock into place.

1. Disengage the two pins and

disconnect the rear wiper arm by pulling them up.

9-32

Vehicle Care

2. Raise the wiper arm until it

comes off. You will hear a clicking sound when the arm comes off.

3. Push the rear wiper assembly straight into the rear wiper arm. 4. Reengage the two pins to the

rear wiper arm by pushing them down.

Headlamp Aiming Headlamp aim has been preset at the factory and should need no further adjustment. However, if your vehicle is damaged in a crash, the headlamp aim may be affected. Aim adjustment to the low-beam headlamps may be necessary if oncoming drivers flash their high-beam headlamps at you (for vertical aim). If the headlamps need to be re-aimed, it is recommended that you take the vehicle to your dealer/retailer for service.

Bulb Replacement For the proper type of replacement bulbs, see Replacement Bulbs on page 9-37. For any bulb changing procedure not listed in this section, contact your dealer/retailer.

Halogen Bulbs

{ CAUTION

Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package.

Headlamps and Parking Lamps

Vehicle Care

9-33

High-beam and Low-beam Headlamps To replace the High-beam or Low-beam Headlamp: 1. Open the hood. See Hood on

page 9-5.

A. High-beam Headlamp B. Turn Signal Lamp/Parking Lamp C. Low-beam Headlamp

2. Turn the bulb socket

counterclockwise and pull it out of the headlamp assembly.

9-34

Vehicle Care

Front Turn Signal Lamp and Parking Lamp To replace the Front Turn Signal Lamp or Parking Lamp: 1. Open the hood. See Hood on

page 9-5.

3. Unplug the connector while

pressing down on the release tab.

4. Pull the old bulb straight out. 5. Push the new bulb straight

in until it clicks.

6. Push the bulb socket into the headlamp assembly and turn it clockwise to secure it in its original location.

2. Turn the bulb socket

counterclockwise and pull it out of the lamp assembly.

3. Pull the old bulb straight out of

the bulb socket.

4. Push the new bulb straight in

until it clicks.

5. Push the bulb socket into

the lamp assembly and turn clockwise to secure it in its original location.

Taillamps

To replace one of these lamps: 1. Open the liftgate.

Vehicle Care

9-35

Driver Side

A. Turn Signal Lamp B. Stoplamp/Sidemarker

Lamp/Taillamp C. Back-up Lamp

Passenger Side

2. Remove the storage

compartment cover in the rear cargo area of the vehicle to access the bulbs. 3. Turn the bulb socket

counterclockwise and pull it out.

9-36

Vehicle Care

License Plate Lamp To replace the license plate lamp bulb:

4. Pull the bulb straight out of the

socket.

5. Push the new bulb straight in

until it clicks to secure.

6. Push the bulb socket in and turn

it clockwise to secure.

7. Reinstall the cover.

1. Press the tabs in to disengage

them and remove the license plate lamp assembly.

2. Turn the bulb socket

counterclockwise to remove it from the license plate assembly.

3. Pull the bulb straight out of

the bulb socket.

4. Push the new bulb straight in the

bulb socket until it clicks.

5. Push the bulb socket straight into

the license plate assembly and turn it clockwise to secure it.

6. Reinstall the license plate

assembly into its original location making sure the tabs reengage.

Replacement Bulbs

Exterior Lamp

Bulb

Number

High-beam Headlamps

Low-beam Headlamps

Sidemarker Lamp/ Stoplamp/Taillamp

9005

9006

7443

For replacement bulbs not listed here, contact your dealer/retailer.

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 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.

Vehicle Care

9-37

Fuses and circuit breakers protect the following in the vehicle: • Headlamp Wiring • Windshield Wiper Motor • Power Windows and other Power

Accessories

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.

9-38

Vehicle Care

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, 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

This engine compartment fuse block is located in the engine compartment on the driver side of the vehicle near the air cleaner. See Engine Compartment Overview on page 9-6. Notice: Spilling liquid on any electrical components on the vehicle may damage it. Always keep the covers on any electrical component.

Vehicle Care

9-39

Fuses

Usage

10

11

12

13

14

15

16

Emission Control System Main, Horn, Ignition 2
Headlamp Main Emission Control System 2
Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System Driver Side Headlamp Passenger Side Headlamp Driver Side Low-Beam Headlamp, Front Foglamps Passenger Side Low-Beam Headlamp Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System

Fuses

Usage

Fuses

Electric Cooling Fans Electric Cooling Fans Antilock Braking System (ABS), Vehicle Stability Control System

Usage ABS, Vehicle Stability Control System Air Conditioning System Charging System Electric Power Steering

9-40

Vehicle Care

Fuses

Usage

Fuses

Usage

Fuses

Usage

17

18

19

20

21
22

23

Turn Signal Lamps, Hazard Lamps Charging System Starting System, Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System Starting System, Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System Empty Starting System Engine Immobilizer System

Main Body ECU, Gages, Daytime Running Lights (DRL), Air Conditioning System, Wireless Remote Control, Theft Deterrent System Audio System Interior Lamps, Personal Lamps, Clock Spare Spare Spare Audio System OnStar®

24

25

26

27
28
29
30
31

Multiport Fuel Injection System/Sequential Multiport Fuel Injection System, Horn, Emission Control System 1, Emission Control System 2
Horn Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System, Horn, Ignition, Meter PTC Heater 1
PTC Heater 3
Air Conditioning Inverter

32

33

34

35
36

37

Instrument Panel Fuse Block

Vehicle Care

9-41

The fuse block is located under the instrument panel on the driver side of the vehicle.

Fuses

Usage

Fuses

Usage

Parking Lamps, License Plate Lamps, Taillamp, Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System, Instrument Panel Lights Switch Illumination

Power Windows Power Windows Power Windows Sunroof Cigarette Lighter, Accessory Power Outlet

9-42

Vehicle Care

Fuses

Usage

Outside Rearview Mirrors, Audio System, Main Body Engine Control Unit (ECU), Clock, Brake Transmission Shift Interlock Empty Empty Airbag System, Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System, Front Passenger Occupant Classification System Gages and Meters Air Conditioning System, Rear Window Defogger Windshield Wipers Rear Window Wipers

10

11

12

13

14
15

Fuses

16

17

18

19

Usage

Fuses

Usage

Windshield Washer Main Body ECU, Electric Power Steering, Electric Cooling Fans, Brake Transmission Shift Interlock, Antilock Braking System (ABS), Multiport Fuel Injection System/ Sequential Multiport Fuel Injection System, Tire Pressure Monitoring System (TPMS), Vehicle Stability Control System Back-up Lamps, Charging System, Rear Window Defogger Onboard Diagnosis System

Stoplamps, Center High-Mounted Stoplamps (CHMSL), ABS, Vehicle Stability Control System, Multiport Fuel Injection System/Sequential Multiport Fuel Injection System, Brake Transmission Shift Interlock Power Door Lock System Outside Rearview Mirrors, Audio System, Main Body ECU, Clock, Brake Transmission Shift Interlock, Cigarette Lighter All-Wheel Drive System Front Foglamps

20

21

22

23

24

Fuses

Usage

Ignition, Outside Rearview Mirrors, Audio System, Main Body ECU, Clock, Brake Transmission Shift Interlock, Cigarette Lighter Rear Window Defogger, Heated Mirrors, Multiport Fuel Injection System/Sequential Multiport Fuel Injection System Power Windows

25

26

27

Wheels and Tires Tires Your new vehicle comes with high-quality tires made by a leading tire manufacturer. If you ever have questions about your tire warranty and where to obtain service, see your vehicle Warranty booklet for details. For additional information refer to the tire manufacturer. { CAUTION

Poorly maintained and improperly used tires are dangerous.

• Overloading your tires can

cause overheating as a result of too much flexing. You could have an air-out and a serious accident. See Vehicle Load Limits on page 8-12.

(Continued)

Vehicle Care

9-43

CAUTION (Continued)

• Underinflated tires pose the same danger as overloaded tires. The resulting accident could cause serious injury. Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked when your tires are cold. See Tire Pressure on page 9-49.

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

• Worn, old tires can cause accidents. If your tread is badly worn, or if your tires have been damaged, replace them.

9-44

Vehicle Care

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

(D) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread. (E) 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 9-58. (F) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load.

(A) 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, and service description. See the “Tire Size” illustration later in this section for more detail. (B) 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. (C) Tire Identification Number (TIN): The letters and numbers following DOT (Department of Transportation) code is 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.

regular road tire has lost air and gone flat. If your vehicle has a compact spare tire. See Compact Spare Tire on page 9-68 and If a Tire Goes Flat on page 9-62. (B) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread. (C) Tire Identification Number (TIN): The letters and numbers following the DOT (Department of Transportation) code is 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.

Vehicle Care

9-45

(D) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load. (E) Tire Inflation: The temporary use tire or compact spare tire should be inflated to 60 psi (420 kPa). For more information on tire pressure and inflation see Tire Pressure on page 9-49. (F) 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.

Compact Spare Tire Example

(A) Temporary Use Only: The compact spare tire or temporary use tire has a tread life of approximately 3,000 miles (5 000 km) and should not be driven at speeds over 65 mph (105 km/h). The compact spare tire is for emergency use when a

9-46

Vehicle Care

Tire Designations Tire Size The following illustration shows an example of a typical passenger vehicle tire size.

(A) 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. (B) Tire Width: The three-digit number indicates the tire section width in millimeters from sidewall to sidewall.

(C) 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 C of the illustration, it would mean that the tire’s sidewall is 60 percent as high as it is wide. (D) 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. (E) Rim Diameter: Diameter of the wheel in inches. (F) Service Description: These characters represent the load index and speed rating of the tire. The load index represents the load carry 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 pounds per square inch (psi) or kilopascal (kPa). Accessory Weight: This means the combined weight of optional accessories. Some examples of optional accessories are, automatic transmission, power 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 that is located 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. Cold Tire Pressure: The amount of air pressure in a tire, measured in pounds per square inch (psi) or kilopascals (kPa) before a tire has built up heat from driving. See Tire Pressure on page 9-49. 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 8-12. GAWR FRT: Gross Axle Weight Rating for the front axle. See Vehicle Load Limits on page 8-12. GAWR RR: Gross Axle Weight Rating for the rear axle. See Vehicle Load Limits on page 8-12.

Vehicle Care

9-47

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.

9-48

Vehicle Care

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 150 lbs (68 kg). See Vehicle Load Limits on page 8-12. 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 9-49 and Vehicle Load Limits on page 8-12. 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 1/16 inch (1.6 mm) of tread remains. See When It Is Time for New Tires on page 9-56. 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 9-58.

Vehicle Capacity Weight: The number of designated seating positions multiplied by 150 lbs (68 kg) plus the rated cargo load. See Vehicle Load Limits on page 8-12. 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’s capacity weight and the original equipment tire size and recommended inflation pressure. See “Tire and Loading Information Label” under Vehicle Load Limits on page 8-12.

Vehicle Care

9-49

A vehicle specific Tire and Loading Information label is attached to your vehicle. This label shows your vehicle’s original equipment tires and the correct inflation pressures for your tires when they are cold. The recommended cold tire inflation pressure, shown on the label, is the minimum amount of air pressure needed to support your vehicle’s maximum load carrying capacity. For additional information regarding how much weight your vehicle can carry, and an example of the Tire and Loading Information label, see Vehicle Load Limits on page 8-12. How you load your vehicle affects vehicle handling and ride comfort. Never load your vehicle with more weight than it was designed to carry.

Tire Pressure Tires need the correct amount of air pressure to operate effectively. Notice: Do not let anyone tell you that under-inflation or over-inflation is all right. It is not. If your tires do not have enough air (under-inflation), you can get the following: (cid:129) Too much flexing (cid:129) Too much heat (cid:129) Tire overloading (cid:129) Premature or irregular wear (cid:129) Poor handling (cid:129) Reduced fuel economy If your tires have too much air (over-inflation), you can get the following: (cid:129) Unusual wear (cid:129) Poor handling (cid:129) Rough ride (cid:129) Needless damage from road

hazards

9-50

Vehicle Care

When to Check Check your tires once a month or more. Do not forget to check the compact spare tire, if the vehicle has one. The compact spare should be at 60 psi (420 kPa). For additional information regarding the compact spare tire, see Compact Spare Tire on page 9-68. How to Check Use a good quality pocket-type gage to check tire pressure. You cannot tell if your tires are properly inflated simply by looking at them. Radial tires may look properly inflated even when they are under-inflated. Check the tire’s inflation pressure when the tires are cold. Cold means your vehicle has been sitting for at least three hours or driven no more than 1 mile (1.6 km).

Remove the valve cap from the tire valve stem. Press the tire gage 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 you reach the recommended amount. If you overfill the tire, release air by pushing on the metal stem in the center of the tire valve. Re-check the tire pressure with the tire gage. Be sure to put the valve caps back on the valve stems. They help prevent leaks by keeping out dirt and moisture.

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 vehicle’s 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. 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

Vehicle Care

9-51

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 9-52 for additional information. Federal Communications Commission (FCC) and Industry and Science Canada See Radio Frequency Statement (US, Can) on page 12-16 for information regarding Part 15
of the Federal Communications Commission (FCC) Rules and RSS-210/211 of Industry and Science Canada.

9-52

Vehicle Care

Tire Pressure Monitor Operation This vehicle may have a Tire Pressure Monitor System (TPMS). The TPMS warns 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.

When a low tire pressure condition is detected, the low tire pressure warning light, located on the instrument panel cluster, comes on.

This light also comes on for a few seconds and then goes off when you turn the ignition to ON/RUN. This indicates the TPMS is functioning properly. If the low-tire pressure warning light comes on while driving the vehicle, the system may have detected a low-tire condition. You need to stop as soon as possible and check the tires. The low tire pressure warning light may come on in cool weather when the vehicle is first started, and then turn off as you start to drive. This could be an early indicator that the air pressure in the tire(s) are getting low and need to be inflated to the proper pressure.

A Tire and Loading Information label, attached to the vehicle, shows the size of the vehicle’s original equipment tires and the correct inflation pressure for the tires when they are cold. See Vehicle Load Limits on page 8-12, for an example of the Tire and Loading Information label and its location on your vehicle. Also see Tire Pressure on page 9-49. The vehicle’s TPMS can warn you about a low tire pressure condition but it does not replace normal tire maintenance. See Tire Inspection on page 9-54, Tire Rotation on page 9-55 and Tires on page 9-43.

TPMS Malfunction Light 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. The low tire warning light comes on at each ignition cycle until the problem is corrected. Some of the conditions that can cause the malfunction light 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 TPMS malfunction light and DIC message should go off once you re-install the road tire containing the TPMS sensor.

• The initialization (reset) procedure failed. See “TPMS Reset” later in this section.

• One or more TPMS sensors

are missing or damaged. The TPMS malfunction light should go off when the TPMS sensors are installed and the sensor matching process is performed successfully. See your dealer/retailer for service. • Replacement tires or wheels do not match the vehicle’s original equipment tires or wheels. Tires and wheels other than those recommended for your vehicle could prevent the TPMS from functioning properly. See Buying New Tires on page 9-56.

Vehicle Care

9-53

•

• Operating electronic devices or being near facilities using radio wave frequencies similar to the TPMS could cause the TPMS sensors to malfunction. If tire chains are installed on the vehicle. If there is a lot of snow or ice around the wheels or wheel housings. If a window tint that affects the radio wave signals is installed.

•

•

If the TPMS is not functioning it cannot detect or signal a low tire condition. See your dealer/retailer for service if the TPMS malfunction light comes on and stays on.

9-54

Vehicle Care

TPMS Reset The TPMS sensors and transmitters have unique identification codes. Anytime you replace a TPMS sensor or transmitter the identification codes need to be registered and the TPMS needs to be reset (initialized). When the system is initialized, the current air pressure in the tires is set as the tire pressure benchmark. The tire pressure warning system determines decreased air pressure by comparing tire pressure to the benchmark pressure stored in the TPMS. Do not reset the TPMS without first correcting the cause of a low-tire condition. To reset the system: 1. Park the vehicle at a safe place

and apply the parking brake. Turn the engine off. 2. Turn the ignition to

ACC/ACCESSORY or LOCK/OFF.

3. Adjust the tire pressure of all the

installed tires to the specified cold tire inflation pressure level indicated on the Tire and Loading Information label attached to the vehicle.

4. Turn the ignition to ON/RUN with

the engine off.

5. Press and hold the tire pressure warning reset switch until the tire pressure warning light flashes slowly on/off three times. Wait for a few minutes with the ignition in ON/RUN, and then turn the ignition to ACC/ACCESSORY or LOCK/OFF.

If the low-tire pressure warning light does not flash three times while you press and hold the reset button, the reset has failed. Repeat the reset process. If the reset cannot be performed, see your dealer/retailer for service. If you press the tire pressure reset switch while the vehicle is moving, the reset is not performed. If you press the tire pressure reset switch accidentally and initialization is performed, adjust the tire pressure to the specified level and perform the reset procedure again.

Tire Inspection We recommend that you regularly inspect your vehicle’s tires, including the spare tire, if the vehicle has one, for signs of wear or damage. See When It Is Time for New Tires on page 9-56
for more information.

Tire Rotation Tires should be rotated every 5,000 to 8,000 miles (8 000 to 13 000 km). See Scheduled Maintenance on page 10-3. The purpose of a regular tire rotation is to achieve a uniform wear for all tires on the vehicle. This will ensure that the vehicle continues to perform most like it did when the tires were new. Any time you notice unusual wear, rotate the tires as soon as possible and check wheel alignment. Also check for damaged tires or wheels. See When It Is Time for New Tires on page 9-56 and Wheel Replacement on page 9-60 for more information.

Vehicle Care

9-55

See Tire Pressure on page 9-49
and Vehicle Load Limits on page 8-12.

{ CAUTION

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, use a cloth or a paper towel to do this; but be sure to use a scraper or wire brush later, if needed, to get all the rust or dirt off. See If a Tire Goes Flat on page 9-62.

Make certain that all wheel nuts are properly tightened. See “Wheel Nut Torque” under Capacities and Specifications on page 11-2.

When rotating the vehicle’s tires, always use the correct rotation pattern shown here. Tires should only be moved from front to rear and rear to front on the same side of the vehicle. Do not include the compact spare tire in the tire rotation. After the tires have been rotated, adjust the front and rear inflation pressures to the amounts shown on the Tire and Loading Information label.

9-56

Vehicle Care

When It Is Time for New Tires Various factors, such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions influence when you need new tires.

One way to tell when it is time for new tires is to check the treadwear indicators, which appear when the tires have only 1/16 inch (1.6 mm) or less of tread remaining.

The vehicle needs new tires if any of the following statements are true: • You can see the indicators at three or more places around the tire.

• You can see 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.

• 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.

The rubber in tires degrades over time, even if they are not being used. This is also true for the spare tire, if the vehicle has one. Multiple conditions affect how fast this aging takes place, including temperatures, loading conditions, and inflation

pressure maintenance. With proper care and maintenance tires typically wear out before they degrade due to age. If you are unsure about the need to replace the tires as they get older, consult the tire manufacturer for more information.

Buying New Tires GM has developed and matched specific tires for the vehicle. If you need replacement tires, GM strongly recommends that you get tires that are the same size, brand, load range, speed rating, and construction type (radial and bias-belted tires) as the vehicle’s original tires. This way, the vehicle will continue to have tires that are designed to give the same performance and vehicle safety, during normal use, as the original tires. See Tire Sidewall Labeling on page 9-44 for additional information.

GM recommends replacing tires in sets of four. This is because uniform tread depth on all tires will help keep the vehicle performing most like it did when the tires were new. Replacing less than a full set of tires can affect the braking and handling performance of the vehicle. See Tire Inspection on page 9-54 and Tire Rotation on page 9-55.

{ CAUTION

Mixing tires could cause you to lose control while driving. If you mix tires of different sizes, brands, or types (radial and bias-belted tires), the vehicle may not handle properly, and you could have a crash. Using tires of different sizes, brands, or types may also cause damage to your

(Continued)

CAUTION (Continued)

vehicle. Be sure to use the correct size, brand, and type of tires on all wheels. It is all right to drive with your compact spare temporarily, as it was developed for use on your vehicle. See Compact Spare Tire on page 9-68.

{ CAUTION

If you use bias-ply tires on the vehicle, the wheel rim flanges could develop cracks after many miles of driving. A tire and/or wheel could fail suddenly, causing a crash. Use only radial-ply tires with the wheels on the vehicle.

Vehicle Care

9-57

Vehicles that have a tire pressure monitoring system could give an inaccurate low-pressure warning if tires not recommended for the vehicle are installed. Tires that do not match the original equipment tires could give a low-pressure warning that is higher or lower than the proper warning level you would get with original equipment tires. See Tire Pressure Monitor System on page 9-50. The vehicle’s original equipment tires are listed on the Tire and Loading Information Label. See Vehicle Load Limits on page 8-12, for more information about the Tire and Loading Information label and its location on the vehicle.

9-58

Vehicle Care

Different Size Tires and Wheels If you add wheels or tires that are a different size than your original equipment wheels and tires, this could affect the way your vehicle performs, including its braking, ride and handling characteristics, stability, and resistance to rollover. Additionally, if your vehicle has electronic systems such as anti-lock brakes, traction control, and electronic stability control, the performance of these systems can be affected. See Buying New Tires on page 9-56
and Accessories and Modifications on page 9-3 for additional information.

Uniform Tire Quality Grading Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: Treadwear 200 Traction AA Temperature A The following information relates to the system developed by the United States National Highway Traffic Safety Administration (NHTSA), which grades tires by treadwear, traction, and temperature performance. This applies only to vehicles sold in the United States.

The grades are molded on the sidewalls of most passenger car tires. The Uniform Tire Quality Grading (UTQG) system does not apply to deep tread, winter-type snow tires, space-saver, or temporary use spare tires, tires with nominal rim diameters of 10 to 12 inches (25 to 30 cm), or to some limited-production tires. While the tires available on General Motors passenger cars and light trucks may vary with respect to these grades, they must also conform to federal safety requirements and additional General Motors Tire Performance Criteria (TPC) standards.

Treadwear The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear one and a half (1.5) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices, and differences in road characteristics and climate.

Traction – AA, A, B, C The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance. Temperature – A, B, C The temperature grades are A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the

Vehicle Care

9-59

material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law. It should be noted that the temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause heat buildup and possible tire failure.

9-60

Vehicle Care

Wheel Alignment and Tire Balance The tires and wheels on the vehicle were aligned and balanced carefully at the factory to give the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary on a regular basis. However, if there is unusual tire wear or the vehicle pulls to one side or the other, the alignment should be checked. If the vehicle vibrates when driving on a smooth road, the tires and wheels might need to be rebalanced. See your dealer/retailer for proper diagnosis.

Wheel Replacement Replace any wheel that is bent, cracked or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts and wheel nuts should be replaced. If the wheel leaks air, replace it (except some aluminum wheels, which can sometimes be repaired). See your dealer/retailer if any of these conditions exist. Your dealer/retailer will know the kind of wheel you need. Each new wheel should have the same load-carrying capacity, diameter, width, offset and be mounted the same way as the one it replaces. If you need to replace any of the wheels, wheel bolts or wheel nuts, replace them only with new GM original equipment parts. This way, you will be sure to have the right wheel, wheel bolts and wheel nuts for the vehicle.

{ CAUTION

Using the wrong replacement wheels, wheel bolts, or wheel nuts on your vehicle can be dangerous. It could affect the braking and handling of your vehicle, make your tires lose air and make you lose control. You could have a collision in which you or others could be injured. Always use the correct wheel, wheel bolts, and wheel nuts for replacement.

Notice: The wrong wheel can also cause problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance, and tire or tire chain clearance to the body and chassis. See If a Tire Goes Flat on page 9-62
for more information.

Vehicle Care

9-61

Notice: If the vehicle has a tire size other than P215/45R18 size tires, use tire chains only where legal and only when you must. Use only SAE Class “S” type chains that are the proper size for the tires. Install them on the front tires and tighten them as tightly as possible with the ends securely fastened. Drive slowly and follow the chain manufacturer’s instructions. If you can hear the chains contacting the vehicle, stop and retighten them. If the contact continues, slow down until it stops. Driving too fast or spinning the wheels with chains on will damage the vehicle.

Used Replacement Wheels

{ CAUTION

Putting a used wheel on the vehicle is dangerous. You cannot know how it has been used or how far it has been driven. It could fail suddenly and cause a crash. If you have to replace a wheel, use a new GM original equipment wheel.

Tire Chains

{ CAUTION

If the vehicle has P215/45R18
size tires, do not use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to

(Continued)

CAUTION (Continued)

the brakes, suspension or other vehicle parts. The area damaged by the tire chains could cause you to lose control of the vehicle and you or others may be injured in a crash. Use another type of traction device only if its manufacturer recommends it for use on the vehicle and tire size combination and road conditions. Follow that manufacturer’s instructions. To help avoid damage to the vehicle, drive slowly, readjust or remove the device if it is contacting the vehicle, and do not spin the wheels. If you do find traction devices that will fit, install them on the front tires.

9-62

Vehicle Care

If a Tire Goes Flat It is unusual for a tire to blowout while you are driving, especially if you maintain your vehicle’s tires properly. If air goes out of a tire, it is much more likely to leak out slowly. But if you should ever have a blowout, here are a few tips about what to expect and what to do: If a front tire fails, the flat tire creates a drag that pulls the vehicle toward that side. Take your foot off the accelerator pedal and grip the steering wheel firmly. Steer to maintain lane position, and then gently brake to a stop well out of the traffic lane. A rear blowout, particularly on a curve, acts much like a skid and may require the same correction you would use in a skid. In any rear blowout remove your foot from the accelerator pedal. Get the vehicle under control by steering the way you want the vehicle to go. It may be

very bumpy and noisy, but you can still steer. Gently brake to a stop, well off the road if possible. { CAUTION

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.

If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on the hazard warning flashers. See Hazard Warning Flashers on page 5-3.

{ CAUTION

Changing a tire can be dangerous. The vehicle can slip off the jack and roll over or fall on you or other people. You and they could be badly injured or even killed. Find a level place to change your tire. To help prevent the vehicle from moving:

1. Set the parking brake firmly. 2. Put an automatic

transmission shift lever in P (Park), or shift a manual transmission to 1 (First) or R (Reverse).

3. Turn off the engine and do not restart while the vehicle is raised.

4. Do not allow passengers to

remain in the vehicle.

(Continued)

Vehicle Care

9-63

To remove the spare tire and tools:

Tire Changing Removing the Spare Tire and Tools

1. Turn the two lock knobs on the

cargo area floor (C) to UNLOCK.

2. Lift up and remove both of

the cargo area floors (C).

A. Compact Spare Tire B. Jack C. Cargo Area Floor(s) D. Tire/Wheel Retainer Nut E. Jack Handle F. Wheel Wrench

CAUTION (Continued)

To be certain the vehicle will not move, put blocks at the front and rear of the tire farthest away from the one being changed. That would be the tire on the other side, at the opposite end of the vehicle.

When the vehicle has a flat tire (B), use the following example as a guide to assist you in the placement of wheel blocks (A).

A. Wheel Block B. Flat Tire

The following information explains how to repair or change a tire.

9-64

Vehicle Care

3. Remove the hook holding

the jack (B) and remove the jack (B).

4. Remove the jack handle (E) and wheel wrench (F) from the passenger side of the cargo area.

5. Remove the tire/wheel

retainer (D) from the compact spare tire (A) and remove the compact spare tire (A). See Compact Spare Tire on