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7. Locate the vertical headlamp aiming screws, which are under the hood near each headlamp assembly. The adjustment screw can be turned with a 6 mm hex socket.


5. Draw or tape a horizontal line the width of the vehicle at the wall or other flat surface where it was marked it Step 4.


Notice: Do not cover a headlamp to improve beam cut-off when aiming. Covering a headlamp may cause excessive heat build-up which may cause damage to the headlamp. 6. Turn on the low-beam headlamps and place a piece of cardboard or equivalent in front of the headlamp not being aimed. This should allow only the beam of light from the headlamp being aimed to be seen on the flat surface.


8. Turn the vertical aiming screw until the headlamp


beam is aimed to the horizontal tape line. If you turn it clockwise, it will raise the beam and if you turn it counterclockwise, it will lower the beam. The top edge of the cut-off should be positioned at the bottom edge of the horizontal tape line.


9. Repeat Steps 7 and 8 for the opposite headlamp.


Passenger’s Side Shown


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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.


Bulb Replacement For the proper type of replacement bulbs, see Replacement Bulbs on page 5-56. For any bulb changing procedure not listed in this section, contact your dealer.


High Intensity Discharge (HID) Lighting


{CAUTION:


The low beam high intensity discharge lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously injured. Have your dealer or a qualified technician service them.


Your vehicle may have HID headlamps. After your vehicle’s HID headlamp bulb has been replaced, you may notice that the beam is a slightly different shade than it was originally. This is normal.


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Front Turn Signal and Fog Lamps


A. Turn Signal Lamp B. Fog Lamp


To replace a fog or turn signal lamp bulb, do the following:


1. Remove the protection shield located on the


underside of the front of the vehicle by pulling out the push-pins located on the underside of the protection shield.


2. Reach up behind the front bumper area from under


the vehicle to access the lamp housing.


3. Remove the bulb socket from the housing by


turning the bulb socket one-quarter turn counterclockwise.


4. Remove the electrical connector from the bulb by


lifting the two plastic clips.


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5. Pull the old bulb from the bulb socket keeping the


bulb straight as you pull it out.


6. Install a new bulb. 7. Reverse the steps to reinstall the lamp assembly.


Taillamps, Turn Signal, Stoplamps and Sidemarker Lamps


A. Taillamps and


Stoplamps


B. Turn Signal Lamp C. Sidemarker Lamp


1. Open the trunk. See Trunk on page 2-12 for more


information.


2. Remove the compact spare tire cover by turning the


wing nut counterclockwise.


3. Remove the four convenience net wing nuts. 4. Pull the carpet back away from the body of the


vehicle on the side with the burned out bulb.


5. Remove the two mounting screws from the


lamp assembly.


6. Pull out the lamp assembly to expose the


bulb sockets.


7. Turn the bulb socket one-quarter turn


counterclockwise and pull the bulb socket out of the lamp reflector.


8. Pull the old bulb from the bulb socket keeping the


bulb straight as you pull it out.


9. Install a new bulb. 10. Reverse the steps to reinstall the lamp assembly.


Back-Up and License Plate Lamps


A. Back-Up Lamps B. License Plate Lamps To replace a back-up or license plate bulb, do the following: 1. Open the trunk. See Trunk on page 2-12 for more


information.


2. Remove the cloth cover on the trunk lid by pulling


out the three push-pins located on the underside of the trunk lid.


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Windshield Wiper Blade Replacement Windshield wiper blades should be inspected for wear or cracking. See Owner Checks and Services on page 6-9. It’s a good idea to clean or replace the wiper blade assembly on a regular basis or when worn. For proper windshield wiper blade length and type, see Normal Maintenance Replacement Parts on page 6-15. To replace the wiper blade assembly, do the following: 1. Turn the ignition to ON with the engine off. 2. Turn on the windshield wipers and turn them off


again when the wipers are in the out-wipe position. The driver’s side blade will be straight up and down on the windshield.


3. Pull the windshield wiper assembly away from the


windshield.


3. Remove the eight mounting nuts from the underside of the trunk lid by turning the nuts counterclockwise.


4. Pull the lamp assembly away from the vehicle


to expose the bulb sockets.


5. Turn the bulb socket one-quarter turn


counterclockwise and pull the bulb and socket out of the lamp reflector.


6. Pull the old bulb from the bulb socket keeping the


bulb straight as you pull it out.


7. Install a new bulb. 8. Reverse the steps to reinstall the lamp assembly.


Replacement Bulbs


Exterior Lamp


Bulb Number


Back-Up, Front/Rear Turn Signal, Stoplamp and Taillamp Fog Lamp License Plate Lamp Rear Sidemarker Lamp


3157K


9145
W5WLL 2825 L/W5WL


For replacement bulbs not listed here, contact your dealer.


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7. Reinstall the wiper blade assembly by sliding it over the wiper arm to engage the J-hooked end. Pull up on the assembly to lock it into place. 8. Repeat the steps for the other wiper.


4. Lift the wiper blade assembly up so it is in a


T-shaped position. You should be able to see a tab.


5. Squeeze the tab together and pull the wiper blade


assembly down far enough to release it from the J-hooked end of the wiper arm. Slide the assembly away from the arm. Allowing the wiper blade arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by your warranty. Do not allow the wiper blade arm to touch the windshield.


6. Replace the blade with a new one.


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CAUTION:


(Continued)


(cid:127) 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.


(cid:127) 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.


(cid:127) Worn, old tires can cause accidents. If


your tread is badly worn, or if your tires have been damaged, replace them.


See Inflation - Tire Pressure on page 5-66 for inflation pressure adjustment for high speed driving.


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 GM Warranty booklet for details. For additional information refer to the tire manufacturer’s booklet included with your vehicle’s Owner’s Manual.


{CAUTION:


(cid:127) Poorly maintained and improperly used


tires are dangerous.


(cid:127) Overloading your tires can cause


overheating as a result of too much friction. You could have an air-out and a serious accident. See Loading Your Vehicle on page 4-32.


CAUTION:


(Continued)


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If your vehicle has P245/45R18 or


Notice: P225/50R18 size tires, they are classified as low-profile tires. Low-profile tires are more susceptible to damage from road hazards or curb impact than standard profile tires. Tire and or wheel assembly damage can occur when coming into contact with road hazards like, potholes, or sharp edged objects or when sliding into a curb. Your GM warranty does not cover this type of damage. Keep tires set to the correct inflation pressure and when possible avoid contact with curbs, potholes and other road hazards. Winter Tires If you expect to drive on snow or ice covered roads often, you may want to get winter tires for your vehicle. All season tires provide good overall performance on most surfaces but they may not offer the traction you would like or the same level of performance as winter tires on snow or ice covered roads.


See your dealer for details regarding winter tire availability and proper tire selection. Also, see Buying New Tires on page 5-74. If you choose to use snow tires: (cid:127) Use tires of the same brand and tread type on all


four wheel positions.


(cid:127) 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 your original equipment tires may not be available for H, V, W and ZR speed rated tires. If you choose snow tires with a lower speed rating, never exceed the tire’s maximum speed capability.


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


Passenger (P-Metric) Tire Example


(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.


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(B) 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. (C) 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. (D) 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. (E) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread. (F) 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 5-76. (G) Maximum Cold Inflation Load Limit: Maximum load that can be carried and the maximum pressure needed to support that load.


(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.


(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 Inflation - Tire Pressure on page 5-66.


(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.


(G) 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.


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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 regular road tire has lost air and gone flat. If your vehicle has a compact spare tire, see Compact Spare Tire (CTS Only) on page 5-93 and If a Tire Goes Flat on page 5-82. (B) Tire Ply Material: The type of cord and number of plies in the sidewall and under the tread.


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.


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(E) Rim Diameter: Diameter of the wheel in inches.


(F) Service Description: These characters represent the load range and speed rating of the tire. The load index represents the load carry capacity a tire is certified to carry. The load index can range from 1 to 279. The speed rating is the maximum speed a tire is certified to carry a load. Speed ratings range from A to Z.


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.


Intended Outboard Sidewall: The side of an asymmetrical tire, that must always face outward when mounted on a vehicle.


Cold Inflation 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 Inflation - Tire Pressure on page 5-66.


Curb Weight: This means 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 Loading Your Vehicle on page 4-32.


GAWR FRT: Gross Axle Weight Rating for the front axle, see Loading Your Vehicle on page 4-32.


GAWR RR: Gross Axle Weight Rating for the rear axle, see Loading Your Vehicle on page 4-32.


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 may 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 150 lbs (68 kg). See Loading Your Vehicle on page 4-32.


Occupant Distribution: Designated seating positions.


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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 and shown on the tire placard. See Inflation - Tire Pressure on page 5-66 and Loading Your Vehicle on page 4-32. 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.


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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 5-73.


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 5-76.


Vehicle Capacity Weight: The number of designated seating positions multiplied by 150 lbs (68 kg) plus the rated cargo load. See Loading Your Vehicle on page 4-32.


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 Loading Your Vehicle on page 4-32.


Run-Flat Tires (CTS-V) If your vehicle has run-flat tires, there is no spare tire and no tire changing equipment. Your vehicle also has a Tire Pressure Monitor (TPM) which will alert you if there is a loss of tire pressure in any of the tires. See Tire Pressure Monitor System on page 5-69.


{CAUTION:


When the low tire warning light is displayed on the instrument panel cluster, your vehicle’s handling capabilities will be reduced during severe maneuvers. If you drive too fast, you could lose control of your vehicle. You or others could be injured. Do not drive over 55 mph (90 km/h) when the low tire warning light is displayed. Drive cautiously and check your tire pressures as soon as you can.


If a tire goes flat, you won’t need to stop on the side of the road to change the tire. You can just keep on driving. The tire can operate effectively with no air pressure for up to 65 miles (105 km) at speeds up to 55 mph (90 km/h). The shorter the distance you drive and the slower the speed, the greater the chance that the tire will not have to be replaced. When a tire is filled with air, it provides a cushion between the road and the wheel. Because you won’t have this cushion when driving on a deflated run-flat tire, try to avoid potholes that could damage your wheel and require replacement of it. Some road hazards can damage a tire beyond repair. This damage could occur even before you’ve driven on the tire in a deflated condition. When a tire has been damaged, or if you’ve driven any distance on a run-flat tire, check with an authorized run-flat tire service center to determine whether the tire can be repaired or should be replaced. To maintain your vehicle’s run-flat feature, all replacement tires must be self-supporting tires.


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As soon as possible, contact the nearest authorized GM or run-flat servicing facility for inspection and repair or replacement. To locate the nearest GM or run-flat servicing facility, call Roadside Service. See Roadside Service on page 7-6 for details.


{CAUTION:


Run-flat tires are constructed differently than other tires and could explode during improper service. You or others could be injured or killed if you attempt to repair, replace, dismount, or mount a run-flat tire. Let only an authorized run-flat service center repair, replace, dismount, and mount run-flat tires.


The valve stems on your run-flat tires have sensors that are part of the Tire Pressure Monitor System (TPMS). These sensors contain batteries which are designed to last for 10 years under normal driving conditions. See your dealer if you ever need to have a wheel replaced, or if the sensors ever need replacement. Notice: Using liquid sealants can damage the tire valves and tire pressure monitor sensors in your vehicle’s run-flat tires. This damage would not be covered by warranty. Do not use liquid sealants in your vehicle’s run-flat tires.


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Inflation - 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:


Too much flexing Too much heat Tire overloading


(cid:127) Premature or irregular wear (cid:127) Poor handling (cid:127) Reduced fuel economy If your tires have too much air (over-inflation), you can get the following: (cid:127) Unusual wear (cid:127) Poor handling (cid:127) Rough ride (cid:127) Needless damage from road hazards


(cid:127) (cid:127) (cid:127) A Tire and Loading Information label is attached to the vehicle’s center pillar, below the driver’s door latch. This label lists your vehicle’s original equipment tires and shows 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 Loading Your Vehicle on page 4-32. How you load your vehicle affects vehicle handling and ride comfort, never load your vehicle with more weight than it was designed to carry. When to Check Check your tires once a month or more. Do not forget to check the compact spare tire, if your 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 (CTS Only) on page 5-93.


How to Check Use a good quality pocket-type gage to check tire pressure. You can’t tell if your tires are properly inflated simply by looking at them. Radial tires may look properly inflated even when they’re underinflated. 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.


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Use the following chart to determine the cold tire inflation pressure when operating your vehicle under these conditions.


Tire Size: 245/45R18 96W Recommended Cold Tire Inflation Pressure for High Speed Operation


at 130 mph (209 km/h) or more:


Occupant and Cargo


600 lbs (272 kg) Up to


Weight: Less than


600 lbs (272 kg)


Occupant and Cargo


Weight:


882 lbs (400 kg) (Vehicle Capacity


Weight)


Front Tires 30 psi


(210 kPa)


Rear Tires


Front Tires Rear Tires


30 psi


(210 kPa)


32 psi


(220 kPa)


34 psi


(235 kPa)


When you end high-speed driving, return the tires to the cold inflation pressures shown on the tire and loading information label. See Loading Your Vehicle on page 4-32.


High Speed Operation (CTS-V)


{CAUTION:


Driving at high speeds, 100 mph (160 km/h) or higher, puts an additional strain on tires. Sustained high-speed driving causes excessive heat build up 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.


The CTS-V performance series has 245/45R18 96W size tires. These high-performance tires require inflation pressure adjustment when driving your vehicle at speeds of 130 mph (209 km/h) or higher with occupants and cargo weighing 600 lbs. (272 kg) up to 882 lbs. (400 kg).


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Tire Pressure Monitor System The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. If your vehicle has this feature, sensors are mounted on the tire and wheel assembly. The TPMS sensors transmit tire pressure readings to a receiver located in the vehicle once every 60 seconds while the vehicle is being driven, and once every 60 minutes if the vehicle is stationary for more than 15 minutes. If your vehicle has the base audio system, the Driver Information Center (DIC) displays TPMS warnings and messages on the radio’s display screen. See System Controls on page 3-53 and DIC Warnings and Messages on page 3-61 for additional information and details about the DIC operation and displays. If your vehicle has the Navigation system, TPMS warnings and messages are displayed on the message center screen, located inside the tachometer. See Message Center (CTS-V) on page 3-47 for information about the message center operation and displays. If a low tire pressure condition is detected, the TPMS will display the Check Tire Pressure message on the DIC or message center and, at the same time, illuminate the low tire pressure warning symbol on the instrument panel cluster.


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.


When the low tire pressure telltale is illuminated, one or more of your tires is significantly under-inflated.


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. The Tire and Loading Information label shows the size of your vehicle’s original tires and their recommended cold inflation pressures. See Loading Your Vehicle on page 4-32, for the location of the tire and loading information label. Also see Inflation - Tire Pressure on page 5-66.


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Your vehicle’s TPMS can alert you about a low tire pressure condition but it does not replace normal tire maintenance. See Tire Inspection and Rotation on page 5-72 and Tires on page 5-58. Notice: Do not use a tire sealant if your vehicle has Tire Pressure Monitors. The liquid sealant can damage the tire pressure monitor sensors. TPMS Sensor Identification Codes Each TPMS sensor has a unique identification code. Any time you replace one or more of the TPMS sensors or rotate the tires, the identification codes will need to be matched to the new tire and wheel position. The sensors are matched, to the tire and wheel positions, in the following order: left front (LF), right front (RF), right rear (RR), and left rear (LR) using a TPMS diagnostic tool. See your GM dealer for service. The TPMS sensors may also be matched to each tire and wheel position by increasing or decreasing the tire’s air pressure. When increasing tire pressure do not exceed the maximum inflation pressure indicated on the tire’s sidewall. You will have two minutes to match the first tire and wheel position, and five minutes overall, to match all four tire and wheel positions. If it takes longer than two minutes, to match the first tire and wheel, or more than five minutes to match all four tire and wheel positions the matching process stops and you will need to start over.


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The TPM matching process is outlined below:


1. Set the parking brake. 2. Turn the ignition switch to ON with the engine off. 3. Using the Remote Keyless Entry (RKE) transmitter,


lock and unlock the vehicle’s doors.


4. Press the lock and unlock buttons, at the same


time, on the RKE transmitter. A single horn chirp will sound, indicating that the TPMS system is ready, and the sensor matching process can begin.


5. Start with the driver’s side front tire. 6. Remove the valve cap from the valve stem. Activate the TPMS sensor by increasing or decreasing the tire’s air pressure for five seconds, or until a horn chirp sounds. The horn chirp, which may take up to 30 seconds, confirms that the sensor identification code has been matched to this tire position. To decrease the tire’s air-pressure use the pointed end of the valve cap, a pencil-style air pressure gage, or a key.


7. Proceed to the passenger’s side front tire, and


repeat the procedure in Step 6.


8. Proceed to the passenger’s side rear tire, and


repeat the procedure in Step 6.


9. Proceed to the driver’s side rear tire, and repeat the


procedure in Step 6.


10. After hearing the confirming double horn chirp, for


the left rear tire, exit the matching process by turning the ignition switch to OFF.


11. Set all four tires to the recommended air pressure


level as indicated on the tire and loading information label.


12. Put the valve caps back on the valve stems. The TPMS will not function properly, if one or more of the TPMS sensors are missing or inoperable. If your vehicle has a compact spare tire, the spare tire and wheel assembly does not contain a TPMS sensor. If you replace one of the road tires with the spare, or if the system detects a missing or inoperable sensor, the Service Tire Monitor System message will be displayed on the DIC. If you have replaced a tire and wheel assembly without transferring the TPMS sensors, the error message will be displayed. Once you re-install the TPMS sensors, the message should go off. See your GM dealer for service if all TPMS sensors are installed and the error message comes on and stays on. Have your vehicle serviced as soon as possible. If your vehicle has a message center and the system detects a missing or inoperable sensor an error message of several dashes – – – will be shown on the message center display. If you have replaced a tire and wheel assembly without transferring the TPMS sensors, the error message will be displayed.


Once you re-install the TPMS sensors, the error message should go off. See your GM dealer for service if all TPMS sensors are installed and the error message comes on and stays on. The TPMS operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry and Science Canada. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference received,


including interference that may cause undesired operation.


This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference received,


including interference that may cause undesired operation of the device.


Changes or modifications to this system by other than an authorized service facility could void authorization to use this equipment.


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Tire Inspection and Rotation Tires should be rotated every 5,000 to 8,000 miles (8 000 to 13 000 km). Any time you notice unusual wear, rotate your 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 5-73 and Wheel Replacement on page 5-77 for more information. The purpose of regular rotation is to achieve more uniform wear for all tires on the vehicle. The first rotation is the most important. See Scheduled Maintenance on page 6-4.


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When rotating your tires, always use the correct rotation pattern shown here. If your vehicle has a compact spare tire, do not include it in the tire rotation. After the tires have been rotated, adjust the front and rear inflation pressures as shown on the Tire and Loading Information label. See Loading Your Vehicle on page 4-32, for an example of the tire and loading information label and its location on your vehicle.


If your vehicle has run-flat tires, the Tire Pressure Monitor (TPM) system will need to have the sensors reset after a tire rotation is performed. A special tool is needed to reset the sensor identification codes. See your dealer for service. Make certain that all wheel nuts are properly tightened. See “Wheel Nut Torque” under Capacities and Specifications on page 5-114.


{CAUTION:


Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle. In an emergency, you can 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 Changing a Flat Tire (CTS Only) on page 5-84.


When It Is Time for New Tires


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


You need a new tire if any of the following statements are true: (cid:127) You can see the indicators at three or more places


around the tire.


(cid:127) 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.


5-73


(cid:127) (cid:127) (cid:127) {CAUTION:


Mixing tires could cause you to lose control of your vehicle 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 vehicle. Be sure to use the correct size, brand and type of tires on all wheels. Your vehicle may have a compact spare tire and wheel assembly. If equipped, it is all right to drive with your vehicle’s compact spare tire temporarily, it was developed for use on your vehicle. See Compact Spare Tire (CTS Only) on page 5-93.


Buying New Tires GM has developed and matched specific tires for your vehicle. The original equipment tires installed on your vehicle, when it was new, were designed to meet General Motors Tire Performance Criteria Specification (TPC spec) system rating. If you need replacement tires, GM strongly recommends that you get tires with the same TPC Spec rating. This way, your vehicle will continue to have tires that are designed to give the same performance and vehicle safety, during normal use, as the original tires. GM’s exclusive TPC Spec system considers over a dozen critical specifications that impact the overall performance of your 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 by the tire manufacturer. If the tires have an all-season tread design, the TPC spec number will be followed by an MS for mud and snow. See Tire Sidewall Labeling on page 5-60 for additional information. Winter tires with the same speed rating as your vehicle’s original equipment tires may not be available for H, V, W, and ZR speed rated tires. If you choose snow tires with a lower speed rating, never exceed the tire’s maximum speed capability.


5-74


{CAUTION:


If you use bias-ply tires on your 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 your vehicle.


If you must replace your vehicle’s tires with those that do not have a TPC Spec number, make sure they are the same size, load range, speed rating and construction type (radial and bias-belted tires) as your vehicle’s original tires. Vehicles equipped with a tire pressure monitoring system may give an inaccurate low-pressure warning if non-TPC spec rated tires are installed on your vehicle. Non-TPC Spec rated tires may give a low-pressure warning that is higher or lower than the proper warning level you would get with TPC Spec rated tires. See Tire Pressure Monitor System on page 5-69. Your vehicle’s original equipment tires are listed on the Tire and Loading Information Label. This label is attached to the vehicle’s center pillar (B-pillar). See Loading Your Vehicle on page 4-32, for more information about the Tire and Loading Information Label and its location on your vehicle.


Different Size Tires and Wheels If you add wheels or tires that are a different size than your original equipment wheels and tires, this may 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, antilock brakes; traction control; and electronic stability control, the performance of these systems can be affected.


{CAUTION:


If you add different sized wheels, your vehicle may not provide an acceptable level of performance and safety if tires not recommended for those wheels are selected. You may increase the chance that you will crash and suffer serious injury. Only use GM specific wheel and tire systems developed for your vehicle, and have them properly installed by a GM certified technician.


See Buying New Tires on page 5-74 and Accessories and Modifications on page 5-3 for additional information.


5-75


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, 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 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. Warning: The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristics.


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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 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. Warning: 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.


Wheel Alignment and Tire Balance The tires and wheels on your vehicle were aligned and balanced carefully at the factory to give you 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 you notice unusual tire wear or your vehicle pulling to one side or the other, the alignment may need to be checked. If you notice your vehicle vibrating when driving on a smooth road, your tires and wheels may need to be rebalanced. See your dealer 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 if any of these conditions exist. Your dealer 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.


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If you need to replace any of your 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 your vehicle.


Used Replacement Wheels


{CAUTION:


Putting a used wheel on your 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.


{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 Changing a Flat Tire (CTS Only) on page 5-84 for more information.


5-78


Tire Chains


{CAUTION:


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 the brakes, suspension or other vehicle parts. The area damaged by the tire chains could cause you to lose control of your 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 your vehicle and tire size combination and road conditions. Follow that manufacturer’s instructions. To help avoid damage to your vehicle, drive slowly, re-adjust or remove the device if it is contacting your vehicle, and do not spin your wheels. If you do find traction devices that will fit, install them on the rear tires.


Lifting Your Vehicle (CTS-V)


{CAUTION:


Lifting a vehicle can cause an injury. The vehicle can slip off the jack and roll over you or other people. You and they could be badly injured. Find a level place to lift your vehicle. To help prevent the vehicle from moving:


1. Place the shift lever in REVERSE (R) and


firmly apply the parking brake.


2. Turn off the engine.


To be even more certain the vehicle will not move, you can put blocks in front of and behind the wheels. Also see Parking Your Vehicle (Manual Transmission) on page 2-36
and Parking Brake on page 2-33 for additional information.


5-79


Notice: Lifting your vehicle improperly can damage your vehicle and result in costly repairs not covered by your warranty. To lift your vehicle properly, follow the advice in this part. To help prevent vehicle damage: (cid:127) Be sure the jack you are using meets the weight


standards for your vehicle and is in good working order.


(cid:127) Be sure to place a block or pad between the


jack and the vehicle.


(cid:127) Make sure the jack you are using only contacts the jacking location lift points and is not leaning on any other vehicle components such as the rocker panels, the floor pan, or the stone guard moldings. Lift only in the areas shown in the following pictures.


{CAUTION:


Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack, you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack.


{CAUTION:


Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to place the jack in the proper location before raising the vehicle.


If you ever use a jack to lift your vehicle, follow the instructions that came with the jack, and be sure to use the correct lifting points to avoid damaging your vehicle.


5-80


(cid:127) Lifting From the Front The front lifting points can be accessed from either side of your vehicle, behind the front tires.


Lifting From the Rear The rear lifting points can be accessed from either side of your vehicle, in front of the rear tires.


1. Locate the front lifting points using the diagram


shown above and corresponding hoisting notches located in the plastic molding. The notches in the plastic molding are marked with a triangle shape to help you find them. The front lifting location is about 14 inches (35.6 cm) from the rear edge of the front wheel well.


2. Be sure to place a block or pad between the jack


and the vehicle.


3. Lift the vehicle with the jack, making sure the jack


is centered on the front lifting point.


1. Locate the rear lifting points using the diagram


shown above and corresponding hoisting notches located in the plastic molding. The notches in the plastic molding are marked with a triangle shape to help you find them. The rear lifting location is about 7 inches (17.8 cm) from the front edge of the rear wheel well.


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2. Be sure to place a block or pad between the jack


and the vehicle.


3. Lift the vehicle with the jack, making sure the jack


is centered on the rear lifting point.


See Doing Your Own Service Work on page 5-4 for additional information.


If a Tire Goes Flat It is unusual for a tire to “blowout” while you’re driving, especially if you maintain your tires properly. See Tires on page 5-58. If air goes out of a tire, it’s 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 will create 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’d 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. If a tire goes flat, and your vehicle has a spare tire, see Changing a Flat Tire (CTS Only) on page 5-84. This information shows you how to use your vehicle’s tire changing equipment and how to change a flat tire safely.


{CAUTION:


Lifting a vehicle and getting under it to do maintenance or repairs is dangerous without the appropriate safety equipment and training. The jack provided with your vehicle 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. Use the jack provided with your vehicle only for changing a flat tire.


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Run-Flat Tires (CTS-V) If your vehicle has run-flat tires, there is no spare tire and no tire changing equipment. Run-flat tires can operate effectively with no air pressure for a limited distance and speed. Your vehicle also has a Tire Pressure Monitor (TPM) which will alert you if there is a loss of tire pressure in any of the tires. These tires perform so well without any air pressure that a Tire Pressure Monitor (TPM) is used to alert you when there is a low tire condition.


{CAUTION:


When the low tire warning light is displayed on the instrument panel cluster, your vehicle’s handling capabilities will be reduced during severe maneuvers. If you drive too fast, you could lose control of your vehicle. You or others could be injured. Do not drive over 55 mph (90 km/h) when the low tire warning light is displayed. Drive cautiously and check your tire pressures as soon as you can.


See Run-Flat Tires (CTS-V) on page 5-65 and Tire Pressure Monitor System on page 5-69, for additional information.


{CAUTION:


Special tools and procedures are required to service a run-flat tire. If these special tools and procedures are not used you or others could be injured and your vehicle could be damaged. Always be sure the proper tools and procedures, as described in the service manual, are used.


To order a service manual see Service Publications Ordering Information on page 7-15.


5-83


CAUTION:


(Continued)


3. Turn off the engine and do not restart


while the vehicle is raised.


4. Do not allow passengers to remain in


the vehicle.


Put the wheel 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.


Changing a Flat Tire (CTS Only) If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on your hazard warning flashers.


{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 PARK (P), or shift a manual transmission to FIRST (1) or REVERSE (R).


CAUTION:


(Continued)


5-84


When you have a flat tire, use the following example as a guide to assist you in the placement of wheel blocks.


Removing the Spare Tire and Tools (CTS Only) The equipment you will need is in the trunk. To gain access to the spare tire and jacking equipment, do the following:


1. Turn the center nut on the compact spare tire cover counterclockwise to remove it. Then remove the cover.


The following information will tell you next how to use the jack and change a tire.


5-85


2. Turn the nut holding the jack counterclockwise and remove it. Then remove the jack and wheel wrench.


3. Remove the compact spare tire. See Compact Spare Tire (CTS Only) on page 5-93 for more information about the compact spare tire.


4. The tools you will be using next include the jack (A)


and the wheel wrench (B).


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Removing the Flat Tire and Installing the Spare Tire (CTS Only)


1. Loosen the wheel nuts, but do not remove them


yet, using the wheel wrench. Turn the handle about 180 degrees, then flip the handle back to the starting position. This avoids taking the wrench off the lug nut for each turn.


2. Find the jacking location using the diagram above and corresponding hoisting notches located in the plastic molding. The notches in the plastic molding are marked with a triangle shape to help you find them. The front location (A) is about 14 inches (35.6 cm) from the rear edge of the front wheel well, and the rear location (B) is about 7 inches (17.8 cm) from the front edge of the rear wheel well.


5-87


{CAUTION:


Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to fit the jack lift head into the proper location before raising the vehicle.


If you position the jack under the rocker


Notice: molding and attempt to raise the vehicle, you could break the molding and/or cause other damage to your vehicle. Always position the jack so that when the jack head is raised, it will fit firmly in the notch located inboard from the rocker molding. 4. Turn the wheel wrench counterclockwise to lower


the jack lift head until the jack fits under the vehicle.


3. Attach the wheel wrench to the jack.


{CAUTION:


Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack.


{CAUTION:


Lifting a vehicle and getting under it to do maintenance or repairs is dangerous without the appropriate safety equipment and training. The jack provided with your vehicle 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. Use the jack provided with your vehicle only for changing a flat tire.


5-88


5. Raise the jack by turning the wheel wrench


clockwise until the slots in the jack head fit into the metal flange located behind the triangle on the plastic molding as shown.


7. Raise the vehicle by turning the wheel wrench clockwise. Raise the vehicle far enough off the ground for the compact spare tire to fit under the vehicle.


6. Put the compact spare tire near you.


5-89


8. Remove all the wheel nuts and take off the flat tire.


{CAUTION:


Never use oil or grease on studs or nuts. If you do, the nuts might come loose. Your wheel could fall off, causing a serious accident.


9. Remove any rust or dirt


from the wheel bolts, mounting surfaces, and spare wheel.


10. Install the spare tire. 11. Put the wheel nuts back on with the rounded end of


the nuts toward the wheel.


12. Tighten each wheel nut by turning it clockwise with


your hand until the wheel is held against the hub.


{CAUTION:


Rust or dirt on the wheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from the places where the wheel attaches to the vehicle. In an emergency, you can 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.


5-90


13. Lower the vehicle by turning the wheel wrench


counterclockwise. Lower the jack completely.


{CAUTION:


Incorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to come loose and even come off. This could lead to an accident. Be sure to use the correct wheel nuts. If you have to replace them, be sure to get new GM original equipment wheel nuts. Stop somewhere as soon as you can and have the nuts tightened with a torque wrench to the proper torque specification. See Capacities and Specifications on page 5-114 for wheel nut torque specification.


Improperly tightened wheel nuts can lead


Notice: to brake pulsation and rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper sequence and to the proper torque specification. See Capacities and Specifications on page 5-114 for the wheel nut torque specification.


5-91


14. Tighten the wheel nuts


firmly in a crisscross sequence as shown.


Storing a Flat or Spare Tire and Tools (CTS Only)


{CAUTION:


Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place.


After you’ve put the compact spare tire on your vehicle, you will need to store the flat tire in your trunk. Remove the foam support so that the flat tire will fit in the storage area. Place the flat tire with the appearance-side face down and store the jack container in the center of the tire. See the diagram for more information. The compact spare is for temporary use only. Replace the compact spare tire with a full-size tire as soon as you can.


Notice: Wheel covers will not fit on your compact spare. If you try to put a wheel cover on the compact spare, you could damage the cover or the spare. Do not try to put a wheel cover on your compact spare tire. It will note fit. Store the wheel cover in the trunk until you have the flat tire repaired or replaced.


5-92


Use the following diagram as a guide for storing the compact spare tire in the trunk:


A. Compact Spare Tire


Cover Wing Nut


B. Compact Spare Tire


Cover


C. Plastic Wing Nut D. Retainer E. Jack Container with


Wheel Wrench and Jack


F. Flat Road Tire G. Compact Spare Tire H. Foam Insert I. Bolt J. Wheel Wrench K. Jack L. Jack Container


Compact Spare Tire (CTS Only) Although the compact spare tire was fully inflated when the vehicle was new, it can lose air after a time. Check the inflation pressure regularly. It should be 60 psi (420 kPa). After installing the compact spare on the vehicle, stop as soon as possible and make sure the spare tire is correctly inflated. The compact spare is made to perform well at speeds up to 65 mph (105 km/h) for distances up to 3,000 miles (5 000 km), so you can finish your trip and have the full-size tire repaired or replaced at your convenience. Of course, it is best to replace the spare with a full-size tire as soon as possible. The spare tire will last longer and be in good shape in case it is needed again. Notice: When the compact spare is installed, do not take your vehicle through an automatic car wash with guide rails. The compact spare can get caught on the rails. That can damage the tire and wheel, and maybe other parts of your vehicle. Do not use the compact spare on other vehicles. And do not mix the compact spare tire or wheel with other wheels or tires. They will not fit. Keep the spare tire and its wheel together. Notice: Tire chains will not fit your compact spare. Using them can damage your vehicle and can damage the chains too. Do not use tire chains on your compact spare.


5-93


If you use abrasive cleaners when cleaning


Notice: glass surfaces on your vehicle, you could scratch the glass and/or cause damage to the integrated radio antenna and the rear window defogger. When cleaning the glass on your vehicle, use only a soft cloth and glass cleaner. Many cleaners contain solvents that may become concentrated in your vehicle’s breathing space. Before using cleaners, read and adhere to all safety instructions on the label. While cleaning your vehicle’s interior, maintain adequate ventilation by opening your vehicle’s doors and windows. Dust may be removed from small buttons and knobs using a small brush with soft bristles. Your GM dealer has a product for cleaning your vehicle’s glass. Should it become necessary, you can also obtain a product from your GM dealer to remove odors from your vehicle’s upholstery.


Appearance Care


Cleaning the Inside of Your Vehicle Your vehicle’s interior will continue to look its best if it is cleaned often. Although not always visible, dust and dirt can accumulate on your upholstery. Dirt can damage carpet, fabric, leather, and plastic surfaces. Regular vacuuming is recommended to remove particles from your upholstery. It is important to keep your upholstery from becoming and remaining heavily soiled. Soils should be removed as quickly as possible. Your vehicle’s interior may experience extremes of heat that could cause stains to set rapidly. Lighter colored interiors may require more frequent cleaning. Use care because newspapers and garments that transfer color to your home furnishings may also transfer color to your vehicle’s interior. When cleaning your vehicle’s interior, only use cleaners specifically designed for the surfaces being cleaned. Permanent damage may result from using cleaners on surfaces for which they were not intended. Use glass cleaner only on glass. Remove any accidental over-spray from other surfaces immediately. To prevent over-spray, apply cleaner directly to the cleaning cloth.


5-94


Do not clean your vehicle using the following cleaners or techniques: (cid:127) Never use a knife or any other sharp object to


remove a soil from any interior surface.


(cid:127) Never use a stiff brush. It can cause damage to


your vehicle’s interior surfaces.


(cid:127) Never apply heavy pressure or rub aggressively with a cleaning cloth. Use of heavy pressure can damage your interior and does not improve the effectiveness of soil removal.


(cid:127) Use only mild, neutral-pH soaps. Avoid laundry


detergents or dishwashing soaps with degreasers. Using too much soap will leave a residue that leaves streaks and attracts dirt. For liquid cleaners, about 20 drops per gallon (3.78 L) of water is a good guide.


(cid:127) Do not heavily saturate your upholstery while


cleaning.


(cid:127) Damage to your vehicle’s interior may result from the use of many organic solvents such as naptha, alcohol, etc.


Fabric/Carpet Use a vacuum cleaner with a soft brush attachment frequently to remove dust and loose dirt. A canister vacuum with a beater bar in the nozzle may only be used on floor carpet and carpeted floor mats. For soils, always try to remove them first with plain water or club soda. Before cleaning, gently remove as much of the soil as possible using one of the following techniques:


For liquids: gently blot the remaining soil with a paper towel. Allow the soil to absorb into the paper towel until no more can be removed. For solid dry soils: remove as much as possible and then vacuum.


To clean, use the following instructions: 1. Saturate a lint-free, clean white cloth with water or


club soda.


2. Wring the cloth to remove excess moisture. 3. Start on the outside edge of the soil and gently rub toward the center. Continue cleaning, using a clean area of the cloth each time it becomes soiled. 4. Continue to gently rub the soiled area until the


cleaning cloth remains clean.


5. If the soil is not completely removed, use a mild


soap solution and repeat the cleaning process that was used with plain water.


5-95


(cid:127) (cid:127) If any of the soil remains, a commercial fabric cleaner or spot lifter may be necessary. When a commercial upholstery cleaner or spot lifter is to be used, test a small hidden area for colorfastness first. If the locally cleaned area gives any impression that a ring formation may result, clean the entire surface. After the cleaning process has been completed, a paper towel can be used to blot excess moisture from the fabric or carpet.


Leather A soft cloth dampened with water may be used to remove dust. If a more thorough cleaning is necessary, a soft cloth dampened with a mild soap solution can be used. Allow the leather to dry naturally. Do not use heat to dry. Never use steam to clean leather. Never use spot lifters or spot removers on leather. Many commercial leather cleaners and coatings that are sold to preserve and protect leather may permanently change the appearance and feel of your leather and are not recommended. Do not use silicone or wax-based products, or those containing organic solvents to clean your vehicle’s interior because they can alter the appearance by increasing the gloss in a non-uniform manner. Never use shoe polish on your leather.


Instrument Panel, Vinyl, and Other Plastic Surfaces A soft cloth dampened with water may be used to remove dust. If a more thorough cleaning is necessary, a clean soft cloth dampened with a mild soap solution can be used to gently remove dust and dirt. Never use spot lifters or removers on plastic surfaces. Many commercial cleaners and coatings that are sold to preserve and protect soft plastic surfaces may permanently change the appearance and feel of your interior and are not recommended. Do not use silicone or wax-based products, or those containing organic solvents to clean your vehicle’s interior because they can alter the appearance by increasing the gloss in a non-uniform manner. Some commercial products may increase gloss on your instrument panel. The increase in gloss may cause annoying reflections in the windshield and even make it difficult to see through the windshield under certain conditions.


Wood Panels Use a clean cloth moistened in warm, soapy water (use mild dish washing soap). Dry the wood immediately with a clean cloth.


5-96


Speaker Covers Vacuum around a speaker cover gently, so that the speaker will not be damaged. Clean spots with just water and mild soap.


Care of Safety Belts Keep belts clean and dry.


{CAUTION:


Do not bleach or dye safety belts. If you do, it may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only with mild soap and lukewarm water.


Weatherstrips Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth. During very cold, damp weather frequent application may be required. See Recommended Fluids and Lubricants on page 6-13.


Washing Your Vehicle The paint finish on the vehicle provides beauty, depth of color, gloss retention, and durability. The best way to preserve the vehicle’s finish is to keep it clean by washing it often with lukewarm or cold water. Do not wash the vehicle in the direct rays of the sun. Use a car washing soap. Do not use strong soaps or chemical detergents. Be sure to rinse the vehicle well, removing all soap residue completely. GM-approved cleaning products can be obtained from your dealer. See Vehicle Care/Appearance Materials on page 5-101. Do not use cleaning agents that are petroleum based, or that contain acid or abrasives. All cleaning agents should be flushed promptly and not allowed to dry on the surface, or they could stain. Dry the finish with a soft, clean chamois or an all-cotton towel to avoid surface scratches and water spotting. High pressure car washes may cause water to enter the vehicle.


Cleaning Exterior Lamps/Lenses Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under Washing Your Vehicle on page 5-97.


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Finish Care Occasional waxing or mild polishing of the vehicle by hand may be necessary to remove residue from the paint finish. GM-approved cleaning products can be obtained from your dealer. See Vehicle Care/Appearance Materials on page 5-101. Notice: Machine compounding or aggressive polishing on a basecoat/clearcoat paint finish may damage it. Use only non-abrasive waxes and polishes that are made for a basecoat/clearcoat paint finish on your vehicle. The vehicle has a “basecoat/clearcoat” paint finish. The clearcoat gives more depth and gloss to the colored basecoat. Always use waxes and polishes that are non-abrasive and made for a basecoat/clearcoat paint finish. Foreign materials such as calcium chloride and other salts, ice melting agents, road oil and tar, tree sap, bird droppings, chemicals from industrial chimneys, etc., can damage the vehicle’s finish if they remain on painted surfaces. Wash the vehicle as soon as possible. If necessary, use non-abrasive cleaners that are marked safe for painted surfaces to remove foreign matter. Exterior painted surfaces are subject to aging, weather, and chemical fallout that can take their toll over a period of years. To help keep the paint finish looking new, keep the vehicle in a garage or covered whenever possible.


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Windshield and Wiper Blades If the windshield is not clear after using the windshield washer, or if the wiper blade chatters when running, wax, sap, or other material may be on the blade or windshield. Clean the outside of the windshield with a glass cleaning liquid or powder and water solution. The windshield is clean if beads do not form when it is rinsed with water. Grime from the windshield will stick to the wiper blades and affect their performance. Clean the blade by wiping vigorously with a cloth soaked in full-strength windshield washer solvent. Then rinse the blade with water. Check the wiper blades and clean them as necessary; replace blades that look worn.


Aluminum or Chrome-Plated Wheels The vehicle may be equipped with either aluminum or chrome-plated wheels. Keep the wheels clean using a soft clean cloth with mild soap and water. Rinse with clean water. After rinsing thoroughly, dry with a soft clean towel. A wax may then be applied.


If you use strong soaps, chemicals,


Notice: abrasive polishes, cleaners, brushes, or cleaners that contain acid on aluminum or chrome-plated wheels, you could damage the surface of the wheel(s). The repairs would not be covered by your warranty. Use only GM-approved cleaners on aluminum or chrome-plated wheels. The surface of these wheels is similar to the painted surface of your vehicle. Do not use strong soaps, chemicals, abrasive polishes, abrasive cleaners, cleaners with acid, or abrasive cleaning brushes on them because you could damage the surface. Do not use chrome polish on aluminum wheels. Notice: Using chrome polish on aluminum wheels could damage the wheels. The repairs would not be covered by your warranty. Use chrome polish on chrome wheels only. Use chrome polish only on chrome-plated wheels, but avoid any painted surface of the wheel, and buff off immediately after application.


If you drive your vehicle through an


Notice: automatic car wash that has silicone carbide tire cleaning brushes, you could damage the aluminum or chrome-plated wheels. The repairs would not be covered by your warranty. Never drive a vehicle equipped with aluminum or chrome-plated wheels through an automatic car wash that uses silicone carbide tire cleaning brushes. Do not take your vehicle through an automatic car wash that has silicone carbide tire cleaning brushes. These brushes can also damage the surface of these wheels.


Tires To clean the tires, use a stiff brush with tire cleaner. Notice: Using petroleum-based tire dressing products on your vehicle may damage the paint finish and/or tires. When applying a tire dressing, always wipe off any overspray from all painted surfaces on your vehicle.


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Sheet Metal Damage If the vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to parts repaired or replaced to restore corrosion protection. Original manufacturer replacement parts will provide the corrosion protection while maintaining the warranty.


Finish Damage Any stone chips, fractures or deep scratches in the finish should be repaired right away. Bare metal will corrode quickly and may develop into major repair expense. Minor chips and scratches can be repaired with touch-up materials available from your GM dealer. Larger areas of finish damage can be corrected in your GM dealer’s body and paint shop.


Underbody Maintenance Chemicals used for ice and snow removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts such as fuel lines, frame, floor pan, and exhaust system even though they have corrosion protection. At least every spring, flush these materials from the underbody with plain water. Clean any areas where mud and debris can collect. Dirt packed in close areas of the frame should be loosened before being flushed. Your dealer or an underbody car washing system can do this for you.


Chemical Paint Spotting Some weather and atmospheric conditions can create a chemical fallout. Airborne pollutants can fall upon and attack painted surfaces on the vehicle. This damage can take two forms: blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface. Although no defect in the paint job causes this, GM will repair, at no charge to the owner, the surfaces of new vehicles damaged by this fallout condition within 12 months or 12,000 miles (20 000 km) of purchase, whichever occurs first.


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Vehicle Care/Appearance Materials


Description


Usage


Description


Polishing Cloth Wax-Treated Tar and Road Oil Remover Chrome Cleaner and Polish White Sidewall Tire Cleaner Vinyl Cleaner


Glass Cleaner


Chrome and Wire Wheel Cleaner


Finish Enhancer


Usage


Interior and exterior polishing cloth. Removes tar, road oil, and asphalt. Use on chrome or stainless steel. Removes soil and black marks from whitewalls. Cleans vinyl. Removes dirt, grime, smoke and fingerprints. Removes dirt and grime from chrome wheels and wire wheel covers. Removes dust, fingerprints, and surface contaminants. Spray on and wipe off.


Swirl Remover Polish


Cleaner Wax


Foaming Tire Shine Low Gloss


Wash Wax Concentrate


Spot Lifter


Odor Eliminator


Removes swirl marks, fine scratches, and other light surface contamination. Removes light scratches and protects finish. Cleans, shines, and protects in one step. No wiping necessary. Medium foaming shampoo. Cleans and lightly waxes. Biodegradable and phosphate free. Quickly removes spots and stains from carpets, vinyl, and cloth upholstery. Odorless spray odor eliminator used on fabrics, vinyl, leather and carpet.


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Vehicle Identification


Vehicle Identification Number (VIN)


This is the legal identifier for your vehicle. It appears on a plate in the front corner of the instrument panel, on the driver’s side. You can see it if you look through the windshield from outside your vehicle. The VIN also appears on the Vehicle Certification and Service Parts labels and the certificates of title and registration.


Engine Identification The eighth character in the VIN is the engine code. This code will help you identify your vehicle’s engine, specifications, and replacement parts.


Service Parts Identification Label You will find this label in the trunk. It is very helpful if you ever need to order parts. On this label, you will find the following: (cid:127) VIN (cid:127) Model designation (cid:127) Paint information (cid:127) Production options and special equipment Be sure that this label is not removed from the vehicle.


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Electrical System


Add-On Electrical Equipment Notice: Don’t add anything electrical to your vehicle unless you check with your dealer first. Some electrical equipment can damage your vehicle and the damage wouldn’t be covered by your warranty. Some add-on electrical equipment can keep other components from working as they should. Your vehicle has an airbag system. Before attempting to add anything electrical to your vehicle, see Servicing Your Airbag-Equipped Vehicle on page 1-64.


Windshield Wiper Fuses The windshield wiper motor is protected by an internal circuit breaker. If the wiper motor overheats due to heavy snow, the wipers will stop until the motor cools and will then restart.


Power Windows and Other Power Options Circuit breakers protect the power windows and power seats. When the current load is too heavy, the circuit breaker opens and closes, protecting the circuit until the problem is fixed or goes away.


Fuses and Circuit Breakers The wiring circuits in your vehicle are protected from short circuits by a combination of fuses and circuit breakers. 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. If a fuse blows, see your dealer for service immediately. If you ever have a problem on the road and don’t have a spare fuse, you can “borrow” one that has the same amperage. Pick some feature of your vehicle that you can get along without – like the radio or cigarette lighter – and use its fuse, if it is the correct amperage. Replace it as soon as you can. The fuses are located in three fuse blocks, one located in the engine compartment on the passenger’s side and the other two under the rear seat.


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Underhood Fuse Block


The underhood fuse block is located in the engine compartment on the passenger’s side of the vehicle. See Engine Compartment Overview on page 5-12
for more information on location. To access the fuses, push in the two tabs located on each side of the fuse block cover. Then lift the cover off.


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Relays


LO SPEED FAN RELAY


MINI


Usage


Low Speed Fan Motor


HI SPEED FAN RELAY MINI High Speed Fan Motor ACCESSORY RELAY MINI


Wipe-Wash, PRNDL, Accessory Power Outlets


S/P FAN


Series/Parallel Fan


RELAY MINI PARK LAMP RELAY MICRO Parking Lamps HORN RELAY


Horn


MICRO


Relays HI BEAM


Usage RELAY MICRO High-Beam Headlamps DRL RELAY MICRO-OPT Daytime Running Lamps LO BEAM RELAY/HID MINI-OPT


Low-Beam HID Headlamps


HDLP WASH


RELAY


MINI-OPT SPARE BLOWER


Headlamp Washer Motor


Not Used


Front Blower


RELAY MINI FOG LAMP RELAY MICRO Fog Lamps MAIN RELAY


Powertrain/ECM


MICRO


CMP CLU


Starter Solenoid


STARTER RELAY MINI RELAY MICRO Compressor Clutch IGN-1 RELAY Ignition Switch (ON)


MICRO


Wiring


Usage


Harnesses BODY W/H Wiring Harness Connection BODY W/H Wiring Harness Connection ENG W/H


Engine Wiring Harness Connection


J Cases


R REAR


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