2005 Cadillac STS Owners Manual

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You will ﬁnd the maximum load and inﬂation pressure molded on the tire’s sidewall, in small letters, near the rim ﬂange. It will read something like this: Maximum load 690 kg (1521 lbs) 300 kPa (44 psi) Max. Press. For this example, you would set the inﬂation pressure for high-speed driving at 38 psi (265 kPa). Tire Pressure Monitor System The Tire Pressure Monitor (TPM) system uses radio and sensor technology to check tire pressure levels. If your vehicle has this feature, sensors are mounted on each tire and wheel assembly, except for the compact spare tire and wheel. Tire pressure readings are sent 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. Using the Driver Information Center (DIC), tire pressure levels may be viewed by the driver. For additional information and details about the DIC operation and displays see DIC Controls and Displays on page 3-69 and DIC Warnings and Messages on page 3-74. 5-60 If a low tire pressure condition is detected, the TPM system will display the CHECK TIRE PRESSURE warning message on the Driver Information Center (DIC) and, at the same time, illuminate the low tire pressure warning symbol, on the instrument panel cluster. When the tire pressure monitoring system warning light is lit, 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 as indicated on the vehicle’s tire information placard. 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. Each tire, including the spare, should be checked monthly when cold and set to the recommended inﬂation pressure as speciﬁed in the vehicle placard and owner’s manual. The Tire and Loading Information Label (your vehicle’s tire information placard) shows the size of your vehicle’s original tires and the recommended cold inﬂation pressure for your vehicle’s tire. See Inﬂation - Tire Pressure on page 5-58. For the location of the tire and loading information label, see Loading Your Vehicle on page 4-31. Your vehicle’s TPM system can alert you about a low tire pressure condition but it does not replace normal tire maintenance. See Tire Inspection and Rotation on page 5-63 and Tires on page 5-51. Notice: Do not use a tire sealant if your vehicle is equipped with Tire Pressure Monitors. The liquid sealant can damage the tire pressure monitor sensors. TPM Sensor Identiﬁcation Codes Each TPM sensor has a unique identiﬁcation code. Any time you replace one or more of the TPM sensors, the identiﬁcation codes will need to be matched to the new tire/wheel position. Each tire/wheel position is matched, to a sensor, by increasing or decreasing the tire’s air pressure. The sensors are matched, to the tire/wheel positions, in the following order: left front (LF), right front (RF), right rear (RR), and left rear (LR). You will have one minute to match the ﬁrst tire/wheel position, and ﬁve minutes overall, to match all four tire/wheel positions. If it takes longer than one minute, to match the ﬁrst tire and wheel, or more than ﬁve minutes to match all four tire/wheel positions the matching process stops and you will need to start over. 5-61 The TPM matching process is outlined below: 1. Set the parking brake. 2. Press the push-button ignition switch to OFF/ACC. 3. Using the Keyless Access transmitter, lock and unlock the vehicle’s doors. 4. Press the lock and unlock buttons, at the same time, on the Keyless Access transmitter. A single horn chirp will sound, indicating that the TPM system is ready, and the sensor matching process can begin. 5. Start with the left (driver’s side) front tire. 6. Remove the valve cap from the valve stem. Activate the TPM 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 pointy end of the valve cap, a pencil-style air pressure gage or a key. 7. Proceed to the right (passenger’s side) front tire, and repeat the procedure in Step 6. 8. Proceed to the right (passenger’s side) rear tire, and repeat the procedure in Step 6. 9. Proceed to the left (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/ACC. 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 spare tire does not have a TPM sensor. If you replace one of the road tires with the spare, the SERVICE TIRE MONITOR message will be displayed on the DIC screen. This message should go off once you re-install the road tire containing the TPM sensor. The SERVICE TIRE MONITOR message is also displayed when the TPM system is malfunctioning. One or more missing or inoperable TPM sensors will cause the SERVICE TIRE MONITOR message to be displayed. See your GM dealer for service. 5-62 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. Tire Inspection and Rotation Tire rotation is not recommended if your vehicle has the following performance tire combinations: (cid:127) P235/50R17 95V size tires on the front wheels and P255/45R17 98V size tires on the rear wheels. (cid:127) P235/50R18 97W size tires on the front wheels and P255/45R18 99W size tires on the rear wheels. Different tire sizes front to rear should not be rotated. Each tire and wheel should be used only in the position it is in. Tire rotation is recommended if your vehicle is equipped with P235/50R17 95S size tires on all four wheel positions or 255/45ZR18 99Y size tires on all four wheel positions. These 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 5-65 and Wheel Replacement on page 5-68 for more information. 5-63 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. When rotating P235/50R17 95S ALS or 255/45ZR18 99Y size tires, always use the correct rotation pattern shown here. Do not include the compact spare tire in your tire rotation. After the tires have been rotated, adjust the front and rear inﬂation pressures as shown on the Tire and Loading Information label. 5-64 Vehicles equipped with the Tire Pressure Monitor (TPM) system will need to have the sensors reset after a tire rotation, see Tire Pressure Monitor System on page 5-60. Make certain that all wheel nuts are properly tightened. See “Wheel Nut Torque” under Capacities and Speciﬁcations on page 5-104. {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 you need to, to get all the rust or dirt off. See Changing a Flat Tire on page 5-72. When It Is Time for New Tires One way to tell when it’s 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 can’t be repaired well because of the size or location of the damage. Buying New Tires To ﬁnd out what kind and size of tires you need, look at the Tire and Loading Information label. See Loading Your Vehicle on page 4-31, for an example of the label and where it can be found on your vehicle. The tires installed on your vehicle when it was new had a Tire Performance Criteria Speciﬁcation (TPC Spec) number on each tire’s sidewall. When you get new tires, GM recommends that you get tires with that same TPC Spec number. That way your vehicle will continue to have tires that are designed to give proper endurance, handling, speed rating, load range, traction, ride, tire pressure monitoring system performance and other things during normal service on your vehicle. If your tires have an all-season tread design, the TPC number will be followed by an “MS” (for mud and snow). Whenever you replace your tires with those not having a TPC Spec number, make sure they are the same size, load range, speed rating and construction type (bias, bias-belted or radial) as your original 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. 5-65 (cid:127) (cid:127) (cid:127) If you replace your vehicle’s tires with those not having a TPC Spec number, the tire pressure monitoring system may give an inaccurate low-pressure warning. Non-TPC Spec tires may give a low-pressure warning that is higher or lower than the proper warning level you would get with TPC Spec numbered tires. {CAUTION: Mixing tires could cause you to lose control while driving. If you mix tires of different sizes (other than those originally installed on your vehicle) or types (radial and bias-belted tires), the vehicle may not handle properly, and you could have a crash. Using tires of different sizes (other than those originally installed on your vehicle) may also cause damage to your vehicle. Be sure to use the correct size and type tires on all wheels. It is all right to drive with your compact spare temporarily, it was developed for use on your vehicle. See Compact Spare Tire on page 5-82. {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. Vehicles equipped with performance tires P235/50R17 95V (front axle) and P255/45R17 98V (rear axle) are mounted on wheels with different rim widths. The front axle tires are mounted on rims 7.5 inches (19.05 cm) wide and the rear axle tires require wheels with a minimum rim width of 8 inches (20.32 cm). The original equipment wheels designed for P255/45R17 98V size tires are etched with the words REAR ONLY. When replacing P255/45R17 98V size tires have them mounted on wheels with a minimum width of 8 inches (20.32 cm) and marked REAR ONLY. See Wheel Replacement on page 5-68. 5-66 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. 5-67 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 wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. If you notice unusual tire wear or your vehicle pulling one way or the other, the alignment may need to be reset. If you notice your vehicle vibrating when driving on a smooth road, your wheels may need to be rebalanced. 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. 5-68 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 can’t know how it’s been used or how far it’s 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 on page 5-72 for more information. 5-69 If your vehicle has P235/50R17 95S size Notice: 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 your tires. Install them on the rear 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 your 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 your vehicle. Tire Chains {CAUTION: If your vehicle has P255/45R17 98V, P255/ 45R18 99W or 255/45ZR18 99Y 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 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, readjust 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. 5-70 If a Tire Goes Flat It’s unusual for a tire to “blowout” while you’re driving, especially if you maintain your tires properly. 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. {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. If a tire goes ﬂat, the next part shows how to use your jacking equipment to change a ﬂat tire safely. 5-71 Changing a Flat Tire 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 the shift lever in PARK (P). CAUTION: (Continued) 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. To be even more certain the vehicle will not move, you should 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. 5-72 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 The equipment you’ll need is in the trunk. To gain access to the spare tire and jacking equipment, do the following: 1. Remove the compact spare tire cover. The following information will tell you next how to use the jack and change a tire. 2. Turn the nut holding the jack counterclockwise and remove it. Then remove the jack and wheel wrench. 5-73 3. Remove the compact spare tire. See Compact Spare Tire on page 5-82 for more information about the compact spare tire. The tools you’ll be using include the jack (A) and the wheel wrench (B). 5-74 Removing the Flat Tire and Installing the Spare Tire If your vehicle has wheel covers, use the ﬂat end of the wheel wrench to remove the covers. Turn the wheel wrench clockwise to gently pry off the wheel cover. Be careful not to scratch the aluminum wheel edge and don’t try to remove the wheel cover with your hands. If your vehicle has wheel nut caps, turn the wheel wrench counterclockwise to remove the caps. Once the wheel cover and wheel nut caps have been removed, use the following steps to remove the ﬂat tire and install the spare tire. 5-75 1. Place the wheel wrench (A) securely over the wheel nut (B). Turn the wheel wrench counterclockwise to loosen all the wheel nuts. Don’t remove them yet. 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. 5-76 {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 ﬁt the jack lift head into the proper location before raising the vehicle. 3. Attach the wheel wrench to the jack. 4. Turn the wheel wrench counterclockwise to lower the jack lift head until the jack ﬁts under the vehicle. 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. 6. Put the compact spare tire near you. 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. 5-77 8. Remove all the wheel nuts and take off the ﬂat tire. {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 you need to, to get all the rust or dirt off. 9. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. {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. 5-78 10. Place the compact spare tire on the wheel-mounting surface. 12. Tighten each wheel nut by turning it clockwise with your hand until the wheel is held against the hub. 11. Put the wheel nuts back on with the rounded end of the nuts toward the wheel. 13. Lower the vehicle by turning the wheel wrench counterclockwise. Lower the jack completely. 5-79 {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 5-104 for wheel nut torque speciﬁcation. 14. Tighten the wheel nuts ﬁrmly in a crisscross sequence as shown. 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 5-104 for the wheel nut torque speciﬁcation. 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. Don’t try to put a wheel cover on your compact spare tire. It won’t ﬁt. Store the wheel cover in the trunk until you have the ﬂat tire repaired or replaced. 5-80 Storing a Flat or Spare Tire and Tools {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’ll need to do the following to store the ﬂat tire in your trunk. 1. Store the jack and wheel wrench in their compartment in the trunk. When storing the jack, in the container, it must be raised until the screw end is ﬂush with the edge of the jack. 2. Store the ﬂat tire as far forward in the trunk as possible. The compact spare is for temporary use only. Replace the compact spare tire with a full-size tire as soon as you can. Use the following diagram as a guide for storing the compact spare tire in the trunk: A. Compact Spare Tire Cover B. Plastic Wing Nut C. Retainer D. Jack Container with Wheel Wrench and Jack E. Compact Spare Tire F. Foam Insert G. Bolt H. Wheel Wrench I. Jack J. Jack Container 5-81 Compact Spare Tire Although the compact spare tire was fully inﬂated when your 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 your vehicle, you should stop as soon as possible and make sure your 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 your full-size tire repaired or replaced where you want. Of course, it’s best to replace your spare with a full-size tire as soon as you can. Your spare will last longer and be in good shape in case you need it 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. Don’t use your compact spare on other vehicles. And don’t mix your compact spare tire or wheel with other wheels or tires. They won’t ﬁt. Keep your 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. Appearance Care Cleaning products can be hazardous. Some are toxic. Other cleaning products can burst into ﬂames if a match is struck near them or if they get on a hot part of the vehicle. Some are dangerous if their fumes are inhaled in a closed space. When anything from a container is used to clean the vehicle, be sure to follow the manufacturer’s warnings and instructions. Always open the doors or windows of the vehicle when cleaning the inside. 5-82 Never use these to clean the vehicle: (cid:127) Gasoline (cid:127) Benzene (cid:127) Naphtha (cid:127) Carbon Tetrachloride (cid:127) Acetone (cid:127) Paint Thinner Turpentine Lacquer Thinner (cid:127) Nail Polish Remover They can all be hazardous — some more than others — and they can all damage the vehicle, too. Do not use any of these products unless this manual says you can. In many uses, these will damage the vehicle: (cid:127) Alcohol Laundry Soap (cid:127) Bleach (cid:127) Reducing Agents Fabric/Carpet Use a vacuum cleaner often to get rid of dust and loose dirt. Wipe vinyl, leather, plastic, and painted surfaces with a clean, damp cloth. GM-approved cleaning products can be obtained from your dealer. Here are some cleaning tips: (cid:127) Always read the instructions on the cleaner label. (cid:127) Clean up stains as soon as you can before they set. (cid:127) Carefully scrape off any excess stain. (cid:127) Use a clean cloth or sponge, and change to a clean area often. A soft brush may be used if stains are stubborn. To avoid forming a ring on fabric after spot cleaning, clean the entire area immediately or it will set. Most stains can be removed with club soda water. To clean, use the following instructions: 1. For liquids: blot with a clean, soft, white cloth. For solids: remove as much as possible and then vacuum or brush. 2. Apply club soda water to a clean, soft, white cloth. Do not over-saturate; the cloth should not drip water. 3. Clean the entire area. Avoid getting the fabric too wet. 5-83 (cid:127) (cid:127) (cid:127) (cid:127) 4. Start cleaning from the seams into the stain to avoid a ring effect. 5. Continue cleaning, using a clean area of the cloth each time it becomes soiled. 6. When the stain is removed, blot the cleaned area with another dry, clean, soft, white cloth. Using Cleaner on Fabric 1. First, try the cleaner in an inconspicuous area to make sure the cleaner does not affect the color of the fabric. 2. For liquids: blot with a clean, soft, white cloth. For solids: remove as much as possible and then vacuum or brush. 3. Spray a small amount of the cleaner onto a clean soft, white, cloth. Do not apply spray directly to the fabric. 4. Start cleaning from the seams into the stain to avoid a ring effect. 5. Continue cleaning, using a clean area of the cloth each time it becomes soiled. 6. When the stain is removed, blot the cleaned area with another dry, clean, soft, white cloth. 7. If the cleaner leaves a ring effect, follow up with the club soda water instructions given earlier in this section. 5-84 Special Fabric Cleaning Problems Stains caused by such things as catsup, black coffee, egg, fruit, fruit juice, milk, soft drinks, vomit, urine, and blood can be removed using the club soda water instructions given earlier in this section. If an odor lingers after cleaning vomit or urine, treat the area with a water and baking soda solution: 1 teaspoon (5 ml) of baking soda to 1 cup (250 ml) of lukewarm water. Let dry. Stains caused by oil and grease can be cleaned with an approved GM cleaner and a clean, white cloth. 1. Carefully scrape off excess stain. 2. Clean with cool water and allow to dry completely. 3. If a stain remains, follow the cleaner instructions described earlier. Vinyl Use warm water and a clean cloth. (cid:127) Rub with a clean, damp cloth to remove dirt. This may have to be done more than once. Things like tar, asphalt, and shoe polish will stain if they are not removed quickly. Use a clean cloth and vinyl cleaner. See your dealer for this product. (cid:127) Leather Use a soft cloth with lukewarm water and a mild soap or saddle soap and wipe dry with a soft cloth. Then, let the leather dry naturally. Do not use heat to dry. Wood Panels Use a clean cloth moistened in warm, soapy water (use mild dish washing soap). Dry the wood immediately with a clean cloth. For stubborn stains, use a leather cleaner. (cid:127) Never use oils, varnishes, solvent-based or abrasive cleaners, furniture polish, or shoe polish on leather. (cid:127) Soiled or stained leather should be cleaned immediately. If dirt is allowed to work into the ﬁnish, it can harm the leather. Instrument Panel Use only mild soap and water to clean the top surfaces of the instrument panel. Sprays containing silicones or waxes may cause annoying reﬂections in the windshield and even make it difficult to see through the windshield under certain conditions. Interior Plastic Components Use only a mild soap and water solution on a soft cloth or sponge. Commercial cleaners may affect the surface ﬁnish. Speaker Covers Vacuum around a speaker cover gently, so that the speaker will not be damaged. Clean spots with just water and mild soap. Glass Surfaces Glass should be cleaned often. GM Glass Cleaner or a liquid household glass cleaner will remove normal tobacco smoke and dust ﬁlms on interior glass. See Vehicle Care/Appearance Materials on page 5-90. Notice: glass surfaces on your vehicle, you could scratch the glass and/or cause damage to the rear window defogger and the integrated radio antenna. When cleaning the glass on your vehicle, use only a soft cloth and glass cleaner. If you use abrasive cleaners when cleaning 5-85 (cid:127) 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 6-12. 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 5-90. 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 5-86. 5-86 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 5-90. 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. 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. 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. 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. 5-87 If you use strong soaps, chemicals, 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. 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. If you drive your vehicle through an Use chrome polish only on chrome-plated wheels, but avoid any painted surface of the wheel, and buff off immediately after application. 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. 5-88 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 GM 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. 5-89 Vehicle Care/Appearance Materials See your GM dealer for more information on purchasing the following products. 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 tops, upholstery, and convertible tops. 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. 5-90 Description Usage Cleaner Wax Swirl Remover Polish Wash Wax Concentrate Foaming Tire Shine Low Gloss 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. See your General Motors parts department for these products. See Recommended Fluids and Lubricants on page 6-12. Odor Eliminator Spot Lifter 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 8th character in your VIN is the engine code. This code will help you identify your engine, speciﬁcations and replacement parts. Service Parts Identiﬁcation Label You will ﬁnd this label on your spare tire cover. 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. 5-91 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 1-56. Headlamp Wiring The headlamp wiring has an individual fuse. An electrical overload will cause the lamps to go on and off, or in some cases to remain off. If this happens, have the headlamp wiring checked right away. 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. 5-92 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, 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. If a fuse should blow, 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. Just 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 is located in the engine compartment, on the passenger’s side of the vehicle, and the other two are located under the rear seat on both the driver’s and passenger’s side of the vehicle. 5-93 Underhood Fuse Block eb 5-94 The underhood fuse block is located in the front of the engine compartment on the passenger’s side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location, and removal procedure for the front compartment underhood sights shields. To access the fuses, push in the tabs located on each side of the fuse block cover. Then, lift the cover off. Fuses BLOWER R REAR I/P OUTLET CCP Usage Blower Motor Passenger’s Side Rear Fuse Block Front Auxiliary Outlet Climate Control, Headlamp Leveling PRE 02/CAM Oxygen Sensor, CAM Phasers ENG W/H R REAR WPR SW BODY W/H FOG LAMP OUTLET Engine W/H Passenger’s Side Rear Fuse Block Wiper/Washer Switch Body W/H Fog Lamps Rear Auxiliary Outlet EVEN COILS Even Ignition Coils, Even Fuel L REAR Injectors Left Rear Fuse Block WPR MOD Wiper Module Fuses POST 02 Usage Oxygen Sensor COMP CLTCH Air Conditioner Compressor Clutch STARTER ABS L REAR BODY W/H RAIN SSR CCP Starter Solenoid Anti-Lock Brake Pump Driver’s Side Rear Fuse Block Body W/H Rain Sensor, Headlamp Washer, Tire Pressure Monitor Climate Control SMT BM-OPT Smart Beam Relay (Option) EXT LIGHTS Low Beam Relay, High Beam Relay, Park Lamp Relay VOLT CHECK Instrument Panel Module ECM/TCM SPARE SPARE LT PARK Engine Control Module, Transmission Control Module, Easy Key Module, Instrument Panel Cluster Spare Spare Left Park Lamp, Left Taillamp LIC DIMMING License Plate, Instrument Panel Dimming 5-95 Fuses IPM ALDL HUD V8 ECM ABS STR RLY WASH TCM IPC SPARE MAF HIGH FAN LOW FAN RT PARK HORN Usage Instrument Panel Module Assembly Line Data Link Connector Heads-Up Display, Column Lock Module V8 ECM, Evap Solenoid Anti-Lock Brake Controller Starter Relay Heated Washer Nozzles, Air Quality Sensor™ Injectors Transmission, Instrument Panel, Engine Control Spare Mass Air Flow Sensor Cooling Fan - High Speed Cooling Fan - Low Speed Right Park Lamp, Right Taillamp Horn NOZ/AQS ODD COILS Odd Ignition Coils, Odd Fuel LT HI BEAM Left Headlamp High Beam LT LOW BEAM Left Headlamp Low Beam 5-96 Fuses Usage RT LOW BEAM Right Headlamp Low Beam RT HI BEAM Right Headlamp High Beam HFV6 ECM High Feature V6 Engine Control Module Relays Usage HDLP WASH RELAY JUMPER -OPT Headlamp Washer STARTER RELAY MINI SPARE Starter Spare FOG LAMP RELAY MICRO Fog Lamps RELAY MICRO A/C Compressor Clutch CMP CLU BLOWER Front Blower Motor RELAY MINI POWERTRAIN RELAY MICRO Engine Controls RUN/CRANK RELAY MICRO Ignition 1 Relays LOW Usage Cooling Fan Low Speed Ignition 3 SPEED FAN RELAY MINI ACCESSORY RELAY MINI PARK LAMP RELAY MICRO Parking Lamps HIGH BEAM RELAY MICRO High Beams LOW BEAM RELAY/HID MINI-OPT Low Beam/HID HIGH Cooling Fan High Speed SPEED FAN RELAY MINI RELAY MINI Cooling Fan Series/Parallel HORN RELAY S/P FAN MICRO SPARE Horn Spare If you touch the exposed wires with the Rear Underseat Fuse Block Removing the Rear Seat Cushion Notice: metal on the seat cushion, you could cause a short that could damage the battery and or wires. Avoid contact between the rear seat and the fuse center whenever you remove or reinstall the rear seat. Do not remove covers from any of the covered parts, and do not store anything under the seats. To remove the rear seat cushion, do the following: 1. Pull up on the front of the cushion to release the front hooks. 2. Pull the cushion up and out toward the front of the vehicle. Circuit Breakers HDLP WASH C/B - OPT Usage Headlamp Washer (Option) 5-97 To reinstall the rear seat cushion, do the following: {CAUTION: A safety belt that is not properly routed through the seat cushion or is twisted will not provide the protection needed in a crash. If the safety belt has not been routed through the seat cushion at all, it will not be there to work for the next passenger. The person sitting in that position could be badly injured. After reinstalling the seat cushion, always check to be sure that the safety belts are properly routed and are not twisted. 1. Buckle the center passenger position safety belt, then route the safety belts through the proper slots in the seat cushion. Do not let the safety belts get twisted. 5-98 2. Slide the rear of the cushion up and under the seatback so the rear-locating guides hook into the wire loops on the back frame. 3. With the seat cushion lowered, push rearward and then press down on the seat cushion until the spring locks on both ends engage. 4. Check to make sure the safety belts are properly routed and that no portion of any safety belt is trapped under the seat. Also make sure the seat cushion is secured. Rear Underseat Fuse Block There is a fuse block located under the rear seat on the driver’s side and passenger’s side of the vehicle. The rear seat cushion must be removed to access the fuse blocks. See “Removing the Rear Seat Cushion” listed previously in this section. To access the fuses, push in the two tabs, then lift the cover off. Your vehicle may not have all the fuses listed below. 5-99 Driver’s Side Usage Fuses Spare AMP SPARE SPARE Spare Ampliﬁer Spare Spare THEFT/SHIFTER Theft Sensors, Auto Shifter MR-RTD MOD (OPT) MR-CVRTD Suspension Module (Option) REAR DR MOD Rear Door Modules ELC SOL (OPT) Exhaust Solenoid 5-100 Fuses DRIVER DR MOD Usage Driver Door Module TV/VICS Infotainment (Export Only) REAR HTD SEATS SPARE SPARE IGN3 Rear Heated Seats Spare Spare Front Passenger Heated Seat, Auto Shifter, Occupant Protection Fuses RR SHLF SPEAKER Usage Rear Shelf Speaker DPM Memory Seat, Lumbar TRUNK DR VALET REVERSE LAMP AIR BAG POSITION Trunk Release, Valet Reverse Lamps, Rear Parking Aid, Inside Rearview Mirror Airbag LAMPS (OPT) Rear Taillamps CONNECTOR Joint Connector JOINT Relays Usage ELC RELAY (OPT) ELC Compressor (Option) L POSITION Left Rear Taillamp, Position Lamps (Option) RELAY MICRO Relays TRUNK DR REL RELAY MICRO Usage Trunk Release Motor REV LAMP RELAY MICRO Reverse Lamps, Rear Parking Aid R POSITION RELAY MICRO Right Rear Taillamp, Position Lamps (Option) RUN RELAY MICRO Ignition 3 STNDBY LAMP RLY (OPT) Rear Taillamps, Position Lamps (Option) Circuit Breakers SEATS C/B Power Seat Usage 5-101 Passenger’s Side Fuses SPARE Spare TRUNK DIODE Trunk Diode Usage CANISTER VENT Canister Vent Solenoid RT TURN-RIM Right Turn Signal SUNROOF (OPT) Sunroof Module (Option) STOP LAMPS Stoplamps Fuel Pump FUEL PUMP Front Passenger Heated Seat, S-Band Antenna ST/S-BAND RF HTD 5-102 Fuses Usage RADIO/ONSTAR Radio/OnStar® AIR BAG RIM Airbags Battery to RIM RUN/CRANK Ignition 1 HTD STG/CLM Heated Steering Wheel REAR DEFOG Rear Defogger INTERIOR LAMP Interior Lamps PSG DR MOD Front Passenger Door Module LT TURN-RIM Left Turn Signal Fuses Usage Relays Usage REAR FOG LAMP (OPT) Rear Fog Lamps (Option) AFTERBOIL After Boil Pump (OPT) RIM JOINT Ignition to RIM CONNECTOR Joint Connector INT LAMP STOP LAMP RELAY MICRO Stoplamps RELAY MICRO Interior Lamps RUN/CRANK RELAY MICRO Ignition 1 AFTERBOIL RELAY MICRO After Boil Pump (Option) (OPT) Usage Relays SPARE Spare REAR DEFOG RELAY MINI Rear Defog FUEL PUMP RELAY MICRO Fuel Pump REAR FOG LAMP RLY MICRO (OPT) Rear Fog Lamps (Option) Circuit Breakers WINDOW MTRS C/B Usage Power Window Motors Circuit Breaker 5-103 Capacities and Speciﬁcations The following approximate capacities are given in English and metric conversions. See Recommended Fluids and Lubricants on page 6-12 for more information. Application Air Conditioning Refrigerant R134a Cooling System Capacities English 2.2 lbs 13.0 quarts Metric 1.0 kg 12.3 L Engine Oil with Filter 5.7 L 3.6L V6 7.6 L 4.6L V8 66.3 L Fuel Tank 14.2 L Transmission 140 Y Wheel Nut Torque All capacities are approximate. When adding, be sure to ﬁll to the approximate level as recommended in this manual. Recheck the ﬂuid level after ﬁlling. 6.0 quarts 8.0 quarts 17.5 gallons 15.0 quarts 100 ft lb Engine Speciﬁcations Engine 3.6L HFV6 4.6L DOHC V8 VIN Code Transmission Automatic Automatic Spark Plug Gap 0.044 inches (1.1 mm) 0.040 inches (1.0 mm) 5-104 Section 6 Maintenance Schedule Maintenance Schedule ......................................6-2 Introduction ...................................................6-2 Maintenance Requirements ..............................6-2 Your Vehicle and the Environment ....................6-2 Using Your Maintenance Schedule ....................6-2 Scheduled Maintenance ...................................6-4 Additional Required Services ............................6-6 Maintenance Footnotes ...................................6-7 Owner Checks and Services ............................6-8 At Each Fuel Fill ............................................6-9 At Least Once a Month ...................................6-9 At Least Once a Year ...................................6-10 Recommended Fluids and Lubricants ...............6-12 Normal Maintenance Replacement Parts ..........6-14 Maintenance Record .....................................6-15 6-1 Maintenance Schedule Introduction Important: Keep engine oil at the proper level and change as recommended. Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warranty and Owner Assistance booklet or your dealer for details. Maintenance Requirements Notice: Maintenance intervals, checks, inspections, replacement parts and recommended ﬂuids and lubricants as prescribed in this manual are necessary to keep your vehicle in good working condition. Any damage caused by failure to follow scheduled maintenance may not be covered by warranty. 6-2 Your Vehicle and the Environment Proper vehicle maintenance not only helps to keep your vehicle in good working condition, but also helps the environment. All recommended maintenance is important. Improper vehicle maintenance can even affect the quality of the air we breathe. Improper ﬂuid levels or the wrong tire inﬂation can increase the level of emissions from your vehicle. To help protect our environment, and to keep your vehicle in good condition, be sure to maintain your vehicle properly. Using Your Maintenance Schedule We at General Motors want to help you keep your vehicle in good working condition. But we do not know exactly how you will drive it. You may drive very short distances only a few times a week. Or you may drive long distances all the time in very hot, dusty weather. You may use your vehicle in making deliveries. Or you may drive it to work, to do errands or in many other ways. Because of all the different ways people use their vehicles, maintenance needs vary. You may need more frequent checks and replacements. So please read the following and note how you drive. If you have any questions on how to keep your vehicle in good condition, see your GM Goodwrench dealer. This schedule is for vehicles that: carry passengers and cargo within recommended limits. You will ﬁnd these limits on the tire and loading information label. See Loading Your Vehicle on page 4-31. are driven on reasonable road surfaces within legal driving limits. use the recommended fuel. See Gasoline Octane on page 5-5. The services in Scheduled Maintenance on page 6-4 should be performed when indicated. See Additional Required Services on page 6-6 and Maintenance Footnotes on page 6-7 for further information. {CAUTION: Performing maintenance work on a vehicle can be dangerous. In trying to do some jobs, you can be seriously injured. Do your own maintenance work only if you have the required know-how and the proper tools and equipment for the job. If you have any doubt, see your GM Goodwrench dealer to have a qualiﬁed technician do the work. Some maintenance services can be complex. So, unless you are technically qualiﬁed and have the necessary equipment, you should have your GM Goodwrench dealer do these jobs. When you go to your GM Goodwrench dealer for your service needs, you will know that GM-trained and supported service technicians will perform the work using genuine GM parts. If you want to get service information, see Service Publications Ordering Information on page 7-11. Owner Checks and Services on page 6-8 tells you what should be checked, when to check it and what you can easily do to help keep your vehicle in good condition. The proper replacement parts, ﬂuids and lubricants to use are listed in Recommended Fluids and Lubricants on page 6-12 and Normal Maintenance Replacement Parts on page 6-14. When your vehicle is serviced, make sure these are used. All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle. We recommend the use of genuine GM parts. 6-3 (cid:127) (cid:127) (cid:127) Scheduled Maintenance When the CHANGE ENGINE OIL SOON message in the Driver Information Center (DIC) comes on, it means that service is required for your vehicle. Have your vehicle serviced as soon as possible within the next 600 miles (1 000 km). It is possible that, if you are driving under the best conditions, the engine oil life system may not indicate that vehicle service is necessary for over a year. However, your engine oil and ﬁlter must be changed at least once a year and at this time the system must be reset. Your GM Goodwrench dealer has GM-trained service technicians who will perform this work using genuine GM parts and reset the system. If the engine oil life system is ever reset accidentally, you must service your vehicle within 3,000 miles (5 000 km) since your last service. Remember to reset the oil life system whenever the oil is changed. See Engine Oil Life System on page 5-19 for information on the Engine Oil Life System and resetting the system. When the CHANGE ENGINE OIL SOON message appears, certain services, checks and inspections are required. Required services are described in the following for “Maintenance I” and “Maintenance II.” Generally, it is recommended that your ﬁrst service be Maintenance I, your second service be Maintenance II and that you alternate Maintenance I and Maintenance II thereafter. However, in some cases, Maintenance II may be required more often. Maintenance I — Use Maintenance I if the CHANGE ENGINE OIL SOON message comes on within 10 months since the vehicle was purchased or Maintenance II was performed. Maintenance II — Use Maintenance II if the previous service performed was Maintenance I. Always use Maintenance II whenever the message comes on 10 months or more since the last service or if the message has not come on at all for one year. 6-4 Scheduled Maintenance Service Maintenance I Maintenance II Change engine oil and ﬁlter. See Engine Oil on page 5-16. Reset oil life system. See Engine Oil Life System on page 5-19. An Emission Control Service. Visually check for any leaks or damage. See footnote (k). Inspect engine air cleaner ﬁlter. If necessary, replace ﬁlter. See Engine Air Cleaner/Filter on page 5-21. An Emission Control Service. See footnote †. Rotate tires and check inﬂation pressures and wear. See Tires on page 5-51. Inspect brake system. See footnote (a). Check engine coolant and windshield washer ﬂuid levels and add ﬂuid as needed. Perform any needed additional services. See “Additional Required Services” in this section. Inspect suspension and steering components. See footnote (b). Inspect engine cooling system. See footnote (c). Inspect wiper blades. See footnote (d). Inspect restraint system components. See footnote (e). Lubricate body components. See footnote (f). Check transmission ﬂuid level and add ﬂuid as needed. Replace passenger compartment air ﬁlter. See footnote (g). Inspect throttle system. See footnote (j). • • • • • • • • • • • • • • • • • • • • • • 6-5 Additional Required Services The following services should be performed at the ﬁrst maintenance service (I or II) after the indicated miles (kilometers) shown for each item. Service and Miles (Kilometers) Inspect fuel system for damage or leaks. Inspect exhaust system for loose or damaged components. Replace engine air cleaner ﬁlter. See Engine Air Cleaner/Filter on page 5-21. An Emission Control Service. For all-wheel-drive vehicles used for trailer towing: Change transfer case ﬂuid. Throttle body service. An Emission Control Service. See footnotes † and (l). Change automatic transmission ﬂuid and ﬁlter (severe service). See footnote (h). Replace spark plugs. An Emission Control Service. Engine cooling system service (or every 5 years, whichever occurs ﬁrst). An Emission Control Service. See footnote (i). Inspect engine accessory drive belt. An Emission Control Service. 6-6 25,000 (41 500) 50,000 (83 000) 75,000 (125 000) 100,000 (166 000) 125,000 (207 500) 150,000 (240 000) • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Maintenance Footnotes † The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle’s useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. (a) Visually inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chaﬁng, etc. Inspect disc brake pads for wear and rotors for surface condition. Inspect other brake parts, including calipers, parking brake, etc. (b) Visually inspect front and rear suspension and steering system for damaged, loose or missing parts or signs of wear. Inspect power steering lines and hoses for proper hook-up, binding, leaks, cracks, chaﬁng, etc. (c) Visually inspect hoses and have them replaced if they are cracked, swollen or deteriorated. Inspect all pipes, ﬁttings and clamps; replace with genuine GM parts as needed. To help ensure proper operation, a pressure test of the cooling system and pressure cap and cleaning the outside of the radiator and air conditioning condenser is recommended at least once a year. (d) Visually inspect wiper blades for wear or cracking. Replace blade inserts that appear worn or damaged or that streak or miss areas of the windshield. (e) Make sure the safety belt reminder light and all your belts, buckles, latch plates, retractors and anchorages are working properly. Look for any other loose or damaged safety belt system parts. If you see anything that might keep a safety belt system from doing its job, have it repaired. Have any torn or frayed safety belts replaced. Also look for any opened or broken airbag coverings, and have them repaired or replaced. (The airbag system does not need regular maintenance.) (f) Lubricate all key lock cylinders. Lubricate all hinges and latches, including those for the hood, rear compartment, glove box door and console door. More frequent lubrication may be required when exposed to a corrosive environment. Applying silicone grease on weatherstrips with a clean cloth will make them

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2005 Cadillac STS Owners Manual