2006 Chevrolet Suburban Owners Manual

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1-70 5. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 8. If your vehicle has the passenger sensing system and the airbag is off, the off indicator in the rearview mirror will be lit and stay lit when the key is turned to RUN or START. If a child restraint has been installed and the on indicator is lit, turn the vehicle off. Remove the child restraint from the vehicle and reinstall the child restraint. If after reinstalling the child restraint and restarting the vehicle, the on indicator is still lit, check to make sure that the vehicle’s seatback is not pressing the child restraint into the seat cushion. If this happens, slightly recline the vehicle’s seatback and adjust the seat cushion if possible. Also make sure the child restraint is not trapped under the vehicle head restraint. If this happens, adjust the head restraint. If the on indicator is still lit, secure the child in the child restraint in a rear seat position in the vehicle and check with your dealer. To remove the child restraint, just unbuckle the vehicle’s safety belt and let it go back all the way. The safety belt will move freely again and be ready to work for an adult or larger child passenger. 1-71 6. To tighten the belt, push down on the child restraint, pull the shoulder portion of the belt to tighten the lap portion of the belt and feed the shoulder belt back into the retractor. If you are using a forward-facing child restraint, you may ﬁnd it helpful to use your knee to push down on the child restraint as you tighten the belt. You should not be able to pull more of the belt from the retractor once the lock has been set. 7. Push and pull the child restraint in different directions to be sure it is secure. Airbag System Your vehicle has a frontal airbag for the driver and a frontal airbag for the right front passenger. Your vehicle may also have side impact airbags. Side impact airbags are available for the driver and right front passenger. If your vehicle has a side impact airbag for the driver and/or the right front passenger, the words AIR BAG will appear on the airbag covering on the side of the seatback closest to the door. Frontal airbags are designed to help reduce the risk of injury from the force of an inﬂating frontal airbag. But these airbags must inﬂate very quickly to do their job and comply with federal regulations. 1-72 Here are the most important things to know about the airbag system: {CAUTION: You can be severely injured or killed in a crash if you are not wearing your safety belt — even if you have airbags. Wearing your safety belt during a crash helps reduce your chance of hitting things inside the vehicle or being ejected from it. Airbags are “supplemental restraints” to the safety belts. Airbags are designed to work with safety belts but do not replace them. Frontal airbags for the driver and right front passenger are designed to deploy in moderate to severe frontal and near frontal crashes. They are not designed to inﬂate in rollover, rear crashes, or in many side crashes. And, for some unrestrained occupants, frontal airbags may provide less protection in frontal crashes than more forceful airbags have provided in the past. (Continued) CAUTION: CAUTION: (Continued) {CAUTION: Side impact airbags are designed to inﬂate in moderate to severe crashes where something hits the side of your vehicle. They are not designed to inﬂate in frontal, in rollover or in rear crashes. Everyone in your vehicle should wear a safety belt properly — whether or not there is an airbag for that person. Both frontal and side impact airbags inﬂate with great force, faster than the blink of an eye. If you are too close to an inﬂating airbag, as you would be if you were leaning forward, it could seriously injure you. Safety belts help keep you in position for airbag inﬂation before and during a crash. Always wear your safety belt, even with frontal airbags. The driver should sit as far back as possible while still maintaining control of the vehicle. Front occupants should not lean on or sleep against the door. 1-73 {CAUTION: Anyone who is up against, or very close to, any airbag when it inﬂates can be seriously injured or killed. Airbags plus lap-shoulder belts offer the best protection for adults, but not for young children and infants. Neither the vehicle’s safety belt system nor its airbag system is designed for them. Young children and infants need the protection that a child restraint system can provide. Always secure children properly in your vehicle. To read how, see Older Children on page 1-46 or Infants and Young Children on page 1-49. There is an airbag readiness light on the instrument panel cluster, which shows the airbag symbol. 1-74 The system checks the airbag electrical system for malfunctions. The light tells you if there is an electrical problem. See Airbag Readiness Light on page 3-37 for more information. Where Are the Airbags? The driver’s frontal airbag is in the middle of the steering wheel. The right front passenger’s frontal airbag is in the instrument panel on the passenger’s side. If your vehicle has one, the driver’s side impact airbag is in the side of the driver’s seatback closest to the door. 1-75 {CAUTION: If something is between an occupant and an airbag, the airbag might not inﬂate properly or it might force the object into that person causing severe injury or even death. The path of an inﬂating airbag must be kept clear. Do not put anything between an occupant and an airbag, and do not attach or put anything on the steering wheel hub or on or near any other airbag covering. Do not let seat covers block the inﬂation path of a side impact airbag. If your vehicle has one, the right front passenger’s side impact airbag is in the side of the passenger’s seatback closest to the door. 1-76 When Should an Airbag Inﬂate? The driver’s and right front passenger’s frontal airbags are designed to inﬂate in moderate to severe frontal or near-frontal crashes. But they are designed to inﬂate only if the impact exceeds a predetermined deployment threshold. Deployment thresholds take into account a variety of desired deployment and non-deployment events and are used to predict how severe a crash is likely to be in time for the airbags to inﬂate and help restrain the occupants. Whether your frontal airbags will or should deploy is not based on how fast your vehicle is traveling. It depends largely on what you hit, the direction of the impact and how quickly your vehicle slows down. In addition, your vehicle has “dual stage” frontal airbags, which adjust the restraint according to crash severity. Your vehicle is equipped with electronic frontal sensors which help the sensing system distinguish between a moderate and a more severe frontal impact. For moderate frontal impacts, these airbags inﬂate at a level less than full deployment. For more severe frontal impacts, full deployment occurs. If the front of your vehicle goes straight into a wall that does not move or deform, the threshold level for the reduced deployment is about 10 to 16 mph (16 to 25 km/h), and the threshold level for a full deployment is about 20 to 30 mph (32 to 48 km/h). (The threshold level can vary, however, with speciﬁc vehicle design, so that it can be somewhat above or below this range.) Frontal airbags may inﬂate at different crash speeds. For example: If the vehicle hits a stationary object, the airbags could inﬂate at a different crash speed than if the vehicle hits a moving object. If the vehicle hits an object that deforms, the airbags could inﬂate at a different crash speed than if the vehicle hits an object that does not deform. If the vehicle hits a narrow object (like a pole) the airbags could inﬂate at a different crash speed than if the vehicle hits a wide object (like a wall). If the vehicle goes into an object at an angle the airbags could inﬂate at a different crash speed than if the vehicle goes straight into the object. The frontal airbags (driver and right front passenger) are not intended to inﬂate during vehicle rollovers, rear impacts, or in many side impacts. Vehicles with dual stage airbags are also equipped with special sensors which enable the sensing system to monitor the position of both the driver and passenger front seats. The seat position sensor provides information which is used to determine if the airbags should deploy at a reduced level or at full deployment. 1-77 (cid:127) (cid:127) (cid:127) (cid:127) Your vehicle may or may not have a side impact airbag. See Airbag System on page 1-72. Side impact airbags are intended to inﬂate in moderate to severe side crashes. A side impact airbag will inﬂate if the crash severity is above the system’s designed “threshold level.” The threshold level can vary with speciﬁc vehicle design. Side impact airbags are not intended to inﬂate in frontal or near-frontal impacts, rollovers or rear impacts. A side impact airbag is intended to deploy on the side of the vehicle that is struck. In any particular crash, no one can say whether an airbag should have inﬂated simply because of the damage to a vehicle or because of what the repair costs were. For frontal airbags, inﬂation is determined by what the vehicle hits, the angle of the impact, and how quickly the vehicle slows down. For side impact airbags, inﬂation is determined by the location and severity of the impact. The airbag system is designed to work properly under a wide range of conditions, including off-road usage. Observe safe driving speeds, especially on rough terrain. As always, wear your safety belt. See Off-Road Driving on page 4-17 for tips on off-road driving. What Makes an Airbag Inﬂate? In an impact of sufficient severity, the airbag sensing system detects that the vehicle is in a crash. The sensing system triggers a release of gas from the inﬂator, which inﬂates the airbag. The inﬂator, the airbag and related hardware are all part of the airbag modules. Frontal airbag modules are located inside the steering wheel and instrument panel. For seating positions with side impact airbags, there are also airbag modules in the side of the seatbacks closest to the door. How Does an Airbag Restrain? In moderate to severe frontal or near frontal collisions, even belted occupants can contact the steering wheel or the instrument panel. In moderate to severe side collisions, even belted occupants can contact the inside of the vehicle. The airbag supplements the protection provided by safety belts. Airbags distribute the force of the impact more evenly over the occupant’s upper body, stopping the occupant more gradually. But the frontal airbags would not help you in many types of collisions, including rollovers, rear impacts, and many side impacts, primarily because an occupant’s motion is not toward the airbag. Side impact airbags would not help you in many types of collisions, including many frontal or near frontal collisions, and rear impacts, primarily because an occupant’s motion is not toward those airbags. 1-78 Airbags should never be regarded as anything more than a supplement to safety belts, and then only in moderate to severe frontal or near-frontal collisions for the frontal airbags, and only in moderate to severe side collisions for vehicles with a side impact airbag. What Will You See After an Airbag Inﬂates? After the airbag inﬂates, it quickly deﬂates, so quickly that some people may not even realize the airbag inﬂated. Some components of the airbag module may be hot for a short time. These components include the steering wheel hub for the driver’s frontal airbag and the instrument panel for the right front passenger’s frontal airbag. For seating positions with side impact airbags, the side of the seatback closest to the door may be hot. The parts of the airbag that come into contact with you may be warm, but not too hot to touch. There will be some smoke and dust coming from the vents in the deﬂated airbags. Airbag inﬂation does not prevent the driver from seeing out of the windshield or being able to steer the vehicle, nor does it stop people from leaving the vehicle. {CAUTION: When an airbag inﬂates, there is dust in the air. This dust could cause breathing problems for people with a history of asthma or other breathing trouble. To avoid this, everyone in the vehicle should get out as soon as it is safe to do so. If you have breathing problems but cannot get out of the vehicle after an airbag inﬂates, then get fresh air by opening a window or a door. If you experience breathing problems following an airbag deployment, you should seek medical attention. In many crashes severe enough to inﬂate an airbag, windshields are broken by vehicle deformation. Additional windshield breakage may also occur from the right front passenger airbag. (cid:127) Airbags are designed to inﬂate only once. After an airbag inﬂates, you will need some new parts for your airbag system. If you do not get them, the airbag system will not be there to help protect you in another crash. A new system will include airbag modules and possibly other parts. The service manual for your vehicle covers the need to replace other parts. 1-79 (cid:127) Your vehicle is equipped with a crash sensing and diagnostic module which records information after a crash. See Vehicle Data Collection and Event Data Recorders on page 7-10. Let only qualiﬁed technicians work on your airbag system. Improper service can mean that an airbag system will not work properly. See your dealer for service. Passenger Sensing System If your rearview mirror has one of the indicators pictured in the following illustrations, your vehicle has a passenger sensing system. The indicator will be visible when you turn your ignition key to START or RUN. The words ON and OFF or the symbol for on and off, will be visible on the rearview mirror during the system check. When the system check is complete, either the word ON or the word OFF, or the symbol for on or the symbol for off will be visible. See Passenger Airbag Status Indicator on page 3-37. If your rearview mirror does not have either of the indicators pictured, then your vehicle does not have the passenger sensing system. 1-80 Passenger Airbag Status Indicator – United States Passenger Airbag Status Indicator – Canada The passenger sensing system will turn off the right front passenger’s frontal airbag under certain conditions. The driver’s airbag and the side airbags are not part of the passenger sensing system. The passenger sensing system works with sensors that are part of the right front passenger’s seat and safety belt. The sensors are designed to detect the presence of a properly-seated occupant and determine if the passenger’s frontal airbag should be enabled (may inﬂate) or not. (cid:127) Accident statistics show that children are safer if they are restrained in the rear rather than the front seat. General Motors recommends that child restraints be secured in a rear seat, including an infant riding in a rear-facing infant seat, a child riding in a forward-facing child seat and an older child riding in a booster seat. Your vehicle has a rear seat that will accommodate a rear-facing child restraint. A label on your sun visor says, “Never put a rear-facing child seat in the front.” This is because the risk to the rear-facing child is so great, if the airbag deploys. {CAUTION: A child in a rear-facing child restraint can be seriously injured or killed if the right front passenger’s airbag inﬂates. This is because the back of the rear-facing child restraint would be very close to the inﬂating airbag. Even though the passenger sensing system is designed to turn off the passenger’s frontal airbag if the system detects a rear-facing child restraint, no system is fail-safe, and no one CAUTION: (Continued) CAUTION: (Continued) can guarantee that an airbag will not deploy under some unusual circumstance, even though it is turned off. We recommend that rear-facing child restraints be secured in the rear seat, even if the airbag is off. If you need to secure a forward-facing child restraint in the right front seat, always move the front passenger seat as far back as it will go. It is better to secure the child restraint in a rear seat. The passenger sensing system is designed to turn off the right front passenger’s frontal airbag if: the right front passenger seat is unoccupied the system determines that an infant is present in a rear-facing infant seat the system determines that a small child is present in a forward-facing child restraint the system determines that a small child is present in a booster seat a right front passenger takes his/her weight off of the seat for a period of time 1-81 (cid:127) (cid:127) (cid:127) (cid:127) (cid:127) the right front passenger seat is occupied by a smaller person, such as a child who has outgrown child restraints or if there is a critical problem with the airbag system or the passenger sensing system. When the passenger sensing system has turned off the passenger’s frontal airbag, the off indicator will light and stay lit to remind you that the airbag is off. If a child restraint has been installed and the on indicator is lit, turn the vehicle off. Remove the child restraint from the vehicle and reinstall the child restraint following the child restraint manufacturer’s directions and refer to Securing a Child Restraint in the Right Front Seat Position on page 1-68. If after reinstalling the child restraint and restarting the vehicle, the on indicator is still lit, check to make sure that the vehicle’s seatback is not pressing the child restraint into the seat cushion. If this happens, slightly recline the vehicle’s seatback and adjust the seat cushion if possible. Also make sure the child restraint is not trapped under the vehicle head restraint. If this happens, adjust the head restraint. If the on indicator is still lit, secure the child in the child restraint in a rear seat position in the vehicle and check with your dealer. The passenger sensing system is designed to enable (may inﬂate) the right front passenger’s frontal airbag anytime the system senses that a person of adult size is sitting properly in the right front passenger’s seat. When the passenger sensing system has allowed the airbag to be enabled, the on indicator will light and stay lit to remind you that the airbag is active. For some children who have outgrown child restraints and for very small adults, the passenger sensing system may or may not turn off the right front passenger’s frontal airbag, depending upon the person’s seating posture and body build. Everyone in your vehicle who has outgrown child restraints should wear a safety belt properly — whether or not there is an airbag for that person. If a person of adult-size is sitting in the right front passenger’s seat, but the off indicator is lit, it could be because that person is not sitting properly in the seat. If this happens, turn the vehicle off and ask the person to place the seatback in the fully upright position, then sit upright in the seat, centered on the seat cushion, with the person’s legs comfortably extended. Restart the vehicle and have the person remain in this position for about two minutes. This will allow the system to detect that person and then enable the passenger’s airbag. 1-82 (cid:127) (cid:127) CAUTION: (Continued) adult-size person sitting in the right front passenger’s seat may not have the protection of the frontal airbag. See Airbag Readiness Light on page 3-37 for more on this, including important safety information. Aftermarket equipment, such as seat covers, can affect how well the passenger sensing system operates. You may want to consider not using seat covers or other aftermarket equipment if your vehicle has the passenger sensing system. See Adding Equipment to Your Airbag-Equipped Vehicle on page 1-84 for more information about modiﬁcations that can affect how the system operates. {CAUTION: Stowing of articles under the passenger’s seat or between the passenger’s seat cushion and seatback may interfere with the proper operation of the passenger sensing system. 1-83 {CAUTION: If the airbag readiness light in the instrument panel cluster ever comes on and stays on, it means that something may be wrong with the airbag system. If this ever happens, have the vehicle serviced promptly, because an CAUTION: (Continued) Adding Equipment to Your Airbag-Equipped Vehicle Q: Is there anything I might add to the front or sides of the vehicle that could keep the airbags from working properly? A: Yes. If you add things that change your vehicle’s frame, bumper system, front end or side sheet metal or height, they may keep the airbag system from working properly. Also, the airbag system may not work properly if you relocate any of the airbag sensors. If you have any questions about this, you should contact Customer Assistance before you modify your vehicle. The phone numbers and addresses for Customer Assistance are in Step Two of the Customer Satisfaction Procedure in this manual. See Customer Satisfaction Procedure on page 7-2. Servicing Your Airbag-Equipped Vehicle Airbags affect how your vehicle should be serviced. There are airbag system parts in several places around your vehicle. You do not want the system to inﬂate while someone is working on your vehicle. Your dealer and the service manual have information about servicing your vehicle and the airbag system. To purchase a service manual, see Service Publications Ordering Information on page 7-15. {CAUTION: For up to 10 seconds after the ignition key is turned off and the battery is disconnected, an airbag can still inﬂate during improper service. You can be injured if you are close to an airbag when it inﬂates. Avoid yellow connectors. They are probably part of the airbag system. Be sure to follow proper service procedures, and make sure the person performing work for you is qualiﬁed to do so. The airbag system does not need regular maintenance. 1-84 If you damage the covering for the driver’s Torn or frayed safety belts may not protect you in a crash. They can rip apart under impact forces. If a belt is torn or frayed, get a new one right away. Also look for any opened or broken airbag covers, and have them repaired or replaced. (The airbag system does not need regular maintenance.) Notice: or the right front passenger’s frontal airbag, or an airbag covering (if equipped) on a seatback, the airbag may not work properly. You may have to replace the airbag module in the steering wheel, both the airbag module and the instrument panel for the right front passenger’s frontal airbag, or both the airbag module and the seatback for seating positions with a side impact airbag (if equipped.) Do not open or break the airbag coverings. Q: Because I have a disability, I have to get my vehicle modiﬁed. How can I ﬁnd out whether this will affect my advanced airbag system? A: Changing or moving any parts of the front seats, safety belts, the airbag sensing and diagnostic module (located under the driver’s seat), or the inside rearview mirror can affect the operation of the advanced airbag system. If you have questions, call Customer Assistance. The phone numbers and addresses for Customer Assistance are in Step Two of the Customer Satisfaction Procedure in this manual. See Customer Satisfaction Procedure on page 7-2. Restraint System Check Checking the Restraint Systems Now and then, 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. 1-85 If the LATCH system was being used during a more severe crash, you may need new LATCH system parts. If belts are cut or damaged, replace them. Collision damage also may mean you will need to have LATCH system, safety belt or seat parts repaired or replaced. New parts and repairs may be necessary even if the belt or LATCH system was not being used at the time of the collision. If an airbag inﬂates, you will need to replace airbag system parts. See the part on the airbag system earlier in this section. Replacing Restraint System Parts After a Crash {CAUTION: A crash can damage the restraint systems in your vehicle. A damaged restraint system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure your restraint systems are working properly after a crash, have them inspected and any necessary replacements made as soon as possible. If you have had a crash, do you need new belts or LATCH system parts? After a very minor collision, nothing may be necessary. But if the belts were stretched, as they would be if worn during a more severe crash, then you need new parts. 1-86 Section 2 Features and Controls Keys ...............................................................2-3 Remote Keyless Entry System .........................2-4 Remote Keyless Entry System Operation ...........2-5 Doors and Locks .............................................2-8 Door Locks ....................................................2-8 Power Door Locks ..........................................2-9 Delayed Locking ...........................................2-10 Programmable Automatic Door Locks ..............2-10 Rear Door Security Locks ..............................2-12 Lockout Protection ........................................2-13 Liftgate ........................................................2-13 Windows ........................................................2-14 Power Windows ............................................2-15 Sun Visors ...................................................2-16 Theft-Deterrent Systems ..................................2-16 Content Theft-Deterrent .................................2-16 Passlock® ....................................................2-18 Starting and Operating Your Vehicle ................2-18 New Vehicle Break-In ....................................2-18 Ignition Positions ..........................................2-19 Retained Accessory Power (RAP) ...................2-20 Starting the Engine .......................................2-20 Adjustable Throttle and Brake Pedal ................2-21 Engine Coolant Heater ..................................2-22 Automatic Transmission Operation ...................2-23 Tow/Haul Mode ............................................2-26 Four-Wheel Drive ..........................................2-26 Parking Brake ..............................................2-32 Shifting Into Park (P) .....................................2-33 Shifting Out of Park (P) .................................2-35 Parking Over Things That Burn .......................2-35 Engine Exhaust ............................................2-36 Running the Engine While Parked ...................2-36 Mirrors ...........................................................2-37 Manual Rearview Mirror .................................2-37 Automatic Dimming Rearview Mirror with OnStar® and Compass ........................2-37 Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display ..................................2-39 Automatic Dimming Rearview Mirror with Compass ...........................................2-42 Automatic Dimming Rearview Mirror with Compass and Temperature Display ..............2-43 Outside Manual Mirrors ..................................2-46 Outside Camper-Type Mirrors .........................2-46 Outside Power Mirrors ...................................2-47 Outside Power Foldaway Mirrors .....................2-48 Outside Automatic Dimming Mirror ..................2-48 Outside Curb View Assist Mirrors ....................2-49 Outside Convex Mirror ...................................2-49 Outside Heated Mirrors ..................................2-49 2-1 Section 2 Features and Controls OnStar® System .............................................2-50 Universal Home Remote System ......................2-52 Universal Home Remote System Operation ......2-52 Storage Areas ................................................2-56 Glove Box ...................................................2-56 Cupholder(s) ................................................2-56 Front Storage Area .......................................2-56 Center Console Storage Area .........................2-56 Luggage Carrier ...........................................2-56 Rear Storage Area ........................................2-57 Convenience Net ..........................................2-58 Cargo Cover ................................................2-58 Sunroof .........................................................2-60 Vehicle Personalization ...................................2-60 Memory Seat ...............................................2-61 2-2 Keys {CAUTION: Leaving children in a vehicle with the ignition key is dangerous for many reasons. They could operate the power windows or other controls or even make the vehicle move. The children or others could be badly injured or even killed. Do not leave the keys in a vehicle with children. 2-3 Remote Keyless Entry System If the vehicle has the keyless entry system, it operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry 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 of the device. 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. Your vehicle has one double-sided key for the ignition and all door locks as well as the spare tire hoist lock, if equipped. If you ever lock your keys in your vehicle, If you ever lose your keys, your dealer will be able to assist you with obtaining replacements. Notice: you may have to damage the vehicle to get in. Be sure you have spare keys. If you ever do get locked out of your vehicle, call the GM Roadside Assistance Center. See Roadside Assistance Program on page 7-6. If your vehicle is equipped with the OnStar® system with an active subscription and you lock your keys inside the vehicle, OnStar® may be able to send a command to unlock your vehicle. See OnStar® System on page 2-50 for more information. 2-4 At times you may notice a decrease in range. This is normal for any remote keyless entry system. If the transmitter does not work or if you have to stand closer to your vehicle for the transmitter to work, try this: (cid:127) Check the distance. You may be too far from your vehicle. You may need to stand closer during rainy or snowy weather. (cid:127) Check the location. Other vehicles or objects may be blocking the signal. Take a few steps to the left or right, hold the transmitter higher, and try again. (cid:127) Check to determine if battery replacement is necessary. See “Battery Replacement” under Remote Keyless Entry System Operation on page 2-5. If you are still having trouble, see your dealer or a qualiﬁed technician for service. Remote Keyless Entry System Operation You can lock and unlock your doors from about 3 feet (1 m) up to 100 feet (30 m) away using the remote keyless entry transmitter supplied with your vehicle. K (Unlock): Press this button once to unlock the driver’s door. The interior lamps will come on. Pressing unlock again within three seconds will cause the remaining doors to unlock. You can choose different feedback options for each press of the unlock button. See “Lock Feedback” and “Unlock Feedback” under DIC Vehicle Customization on page 3-66 for more information. 2-5 (cid:127) Q (Lock): Press this button once to lock all of the doors. Pressing lock again within three seconds may cause the horn to chirp for lock conﬁrmation. You can choose different feedback options for each press of the lock button. See “Lock Feedback” and “Unlock Feedback” under DIC Vehicle Customization on page 3-66 for more information. L (Panic): Press this button to sound the horn and ﬂash the headlamps and taillamps for up to 30 seconds. Panic can be turned off by pressing the button again, by waiting for 30 seconds, or by starting the vehicle. Matching Transmitter(s) to Your Vehicle Each remote keyless entry transmitter is coded to prevent another transmitter from unlocking your vehicle. If a transmitter is lost or stolen, a replacement can be purchased through your dealer. Remember to bring any remaining transmitters with you when you go to your dealer. When the dealer matches the replacement transmitter to your vehicle, any remaining transmitters must also be matched. Once your dealer has coded the new transmitter, the lost transmitter will not unlock your vehicle. Each vehicle can have a maximum of four transmitters matched to it. Battery Replacement Under normal use, the battery in your remote keyless entry transmitter should last about two years. You can tell the battery is weak if the transmitter will not work at the normal range in any location. If you have to get close to your vehicle before the transmitter works, it is probably time to change the battery. Notice: When replacing the battery, use care not to touch any of the circuitry. Static from your body transferred to these surfaces may damage the transmitter. 2-6 To replace the battery in the keyless entry transmitter, do the following: 1. Insert a thin object, such as a coin, in the slot between the covers of the transmitter housing near the key ring hole. Remove the bottom by twisting the coin. 2. Remove and replace the battery with a three-volt CR2032 or equivalent battery, positive (+) side up. 3. Align the covers and snap them together. 4. Resynchronize the transmitter. See “Resynchronization” following this information. 5. Check the operation of the transmitter. Resynchronization Resynchronization may be necessary due to the security method used by this system. The transmitter does not send the same signal twice to the receiver. The receiver will not respond to a signal that has been sent previously. This prevents anyone from recording and playing back the signal from the transmitter. To resynchronize your transmitter, stand close to your vehicle and press and hold the lock and unlock buttons on the transmitter at the same time for 15 seconds. The door locks should cycle to conﬁrm synchronization. If the locks do not cycle, see your dealer for service. 2-7 There are several ways to lock and unlock your vehicle. You can use the keyless entry system, if equipped, or you can also use your key. To lock the door from the inside, slide the lever rearward. To unlock the door, slide the lever forward. Doors and Locks Door Locks {CAUTION: Unlocked doors can be dangerous. (cid:127) Passengers — especially children — can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it. You increase the chance of being thrown out of the vehicle in a crash if the doors are not locked. So, wear safety belts properly and lock the doors whenever you drive. (cid:127) Young children who get into unlocked vehicles may be unable to get out. A child can be overcome by extreme heat and can suffer permanent injuries or even death from heat stroke. Always lock your vehicle whenever you leave it. (cid:127) Outsiders can easily enter through an unlocked door when you slow down or stop your vehicle. Locking your doors can help prevent this from happening. 2-8 Power Door Locks The power door lock switches are located on the front doors. If your vehicle has this power door lock switch, press the bottom of the switch on either front door to lock all the doors at once. Press the recessed side of the switch with the unlock symbol, to unlock all the doors at once. Press the raised side of the switch with the lock symbol to lock all the doors at once. Press the top of the switch to unlock all the doors at once. Press the bottom of the switch to lock all the doors at once. The power door locks will operate at any time even when the ignition is off. Operating the power locks may interact with the theft-deterrent system (if equipped). See Content Theft-Deterrent on page 2-16. 2-9 Delayed Locking When locking the doors with the power lock switch or the keyless entry transmitter and a door or the liftgate is open, the delayed locking feature will delay locking the doors until ﬁve seconds after the last door is closed. You will hear three chimes to signal that the delayed locking feature is in use. Pressing the power lock switch or the lock button on the keyless entry transmitter twice will override the delayed locking feature and immediately lock all the doors. You can turn the delayed locking feature off or back on again by doing the following: 1. Press and hold the power door lock switch in the lock position. 2. Press unlock twice on the remote keyless entry transmitter. This feature will not operate if the key is in the ignition. You can also program this feature using the Driver Information Center (DIC). See “Door Lock Delay” under DIC Vehicle Customization on page 3-66. Programmable Automatic Door Locks Your vehicle is equipped with an automatic lock/unlock feature which enables you to program your vehicle’s power door locks. You can program this feature through the Driver Information Center (DIC), or by the following method. Programmable Locking Feature Following are the two available programming options: Mode 1: All doors lock when the transmission is shifted into gear. Mode 2: All doors lock when the vehicle speed is greater than 8 mph (13 km/h). The automatic door locks were pre-programmed at the factory to lock all the doors when the transmission is shifted into gear. The following instructions detail how to program your door locks differently than the factory setting. Choose one of the two programming options listed above before entering the program mode. 2-10 To enter the program mode, do the following: 1. Begin with the ignition off. Then pull the turn signal/multifunction lever toward you and hold it there while you perform the next step. 2. Turn the key to RUN and LOCK twice. Then, with the key in LOCK, release the turn signal/ multifunction lever. Once you do this, you will hear the lock switch lock and unlock, the horn will chirp twice, and a 30 second program timer will begin. You are now ready to program the automatic door locks. 3. Select one of the two programming options listed previously, and press the lock side of the power door lock switch to cycle through the lock options. You will have 30 seconds to begin programming. If you exceed the 30 second limit, the locks will automatically lock and unlock and the horn will chirp twice to indicate that you have left the program mode. If this occurs, repeat the procedure beginning with Step 1 to re-enter the programming mode. You can exit the program mode any time by turning the ignition to RUN (the locks will automatically lock and unlock and the horn will chirp twice to indicate that you are leaving the program mode). If the lock/unlock switches are not pressed while in the programming mode, the current auto lock/unlock setting will not be modiﬁed. See your dealer for more information. Programmable Unlocking Feature The following is the list of available programming options: Mode 1: Driver’s door unlocks when the transmission is shifted into PARK (P). Mode 2: All doors unlock when the transmission is shifted into PARK (P). Mode 3: All doors unlock when the key is removed from the ignition. Mode 4: No automatic door unlock. The automatic door locks were pre-programmed at the factory to unlock the driver’s door once the transmission is shifted to PARK (P). The following instructions detail how to program your door locks differently than the factory setting. Choose one of the four programming options listed above before entering the program mode. To enter the program mode, do the following: 1. Begin with the ignition off. Then pull the turn signal/multifunction lever toward you and hold it there while you perform the next step. 2. Turn the key to RUN and LOCK twice. Then, with the key in LOCK, release the turn signal/multifunction lever. Once you do this, you will hear the lock switch lock and unlock, the horn will chirp twice, and a 30-second program timer will begin. 2-11 3. You are now ready to program the automatic door locks. Select one of the four programming options listed previously, and press the unlock side of the power door lock switch to cycle through the unlocking options. You will have 30 seconds to begin programming. If you exceed the 30-second limit, the locks will automatically lock and unlock and the horn will chirp twice to indicate that you have left the program mode. If this occurs, repeat the procedure beginning with Step 1 to re-enter the programming mode. You can exit the program mode any time by turning the ignition to RUN. The locks will automatically lock and unlock and the horn will chirp twice to indicate that you are leaving the program mode. If the lock/unlock switches are not pressed while in the programming mode, the current auto lock/unlock setting will not be modiﬁed. See your dealer for more information. Rear Door Security Locks If your vehicle is equipped with this feature, you can lock the rear side doors so they cannot be opened from the inside by passengers. 2-12 This feature is located on the inside edge of the rear doors. To use one of the locks do the following: 1. Open one of the rear doors. 2. To engage the rear door security locks, move the lever forward. 3. To disengage the lock, move the lever rearward. 4. Close the door. 5. Do the same thing to the other rear door. The rear doors of your vehicle cannot be opened from the inside when this feature is in use. If you want to open the rear door while the security lock is engaged, unlock the door and open the door from the outside. Lockout Protection This feature protects you from locking your key in the vehicle when the key is in the ignition and a door is open. If the power lock switch is pressed when a door is open and the key is in the ignition, all of the doors will lock and then the driver’s door will unlock. Liftgate {CAUTION: It can be dangerous to drive with the liftgate glass, liftgate or rear doors open because carbon monoxide (CO) gas can come into your vehicle. You cannot see or smell CO. It can cause unconsciousness and even death. If you must drive with the liftgate glass, liftgate, or rear doors open, or if electrical wiring or other cable connections must pass CAUTION: (Continued) CAUTION: (Continued) through the seal between the body and the liftgate glass, liftgate, or rear doors: (cid:127) Make sure all other windows are shut. (cid:127) Turn the fan on your heating or cooling system to its highest speed with the recirculation mode off. That will force outside air into your vehicle. See Climate Control System on page 3-21. If you have air outlets on or under the instrument panel, open them all the way. See Engine Exhaust on page 2-36. Liftgate Glass and Liftgate To unlock the liftgate and liftglass from the outside, insert the key into the liftgate lock and turn it counterclockwise. The liftgate glass can then be opened using the button on the liftgate. To lock, turn the key clockwise. All the doors will lock. To open the entire liftgate, lift the handle located in the center of the door. You may also use the remote keyless entry transmitter (RKE), or the power door locks to unlock and lock the liftgate and liftgate glass. 2-13 (cid:127) Windows {CAUTION: Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. 2-14 Power Windows The power window controls are located on each of the side doors. The driver’s door has a switch for the passenger and rear windows as well. Your power windows will work when the ignition has been turned to ACCESSORY or RUN or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-20. Press the switch to lower the window. Pull up the front edge of the switch to raise the window. Express-Down Windows The driver and front passenger windows have an express-down feature that allows the windows to be lowered without holding the switch. Press down fully on the window switch, then release, to activate the express-down mode. The express-down mode can be canceled at any time by pulling up on the switch. To open the window in small amounts, press the switch to the ﬁrst position until the window is at the desired level. Window Lockout o (Window Lockout): The window lockout switch is located in front of the power window switches on the driver’s door armrest. This feature prevents all passenger windows from operating, except from the driver’s position. To engage the lockout feature press the switch, and an indicator light will illuminate. To disengage the feature, press the switch again and the indicator light will go off. 2-15 Sun Visors Sun Visors with Slide Rod Your vehicle may have this feature. Pull the sun visor down to block glare. Detach the sun visor from the center mount and slide it along the rod from side-to-side to cover the driver or passenger side of the front window. Swing the sun visor to the side to cover the side window. It can be moved along the rod from side-to-side in this position also. Sun Visors with Fixed Rod and Pull-out Extension Your vehicle may have this feature. Pull the sun visor down to block glare. Pull the sun visor extender out for additional coverage. Detach the sun visor from the center mount and swing it to the side to cover the side window. Lighted Visor Vanity Mirror Your vehicle has lighted visor vanity mirrors on both the driver’s and passenger’s sun visors. Pull the sun visor down and lift the mirror cover to turn the lamps on. 2-16 Theft-Deterrent Systems Vehicle theft is big business, especially in some cities. Although your vehicle has a number of theft-deterrent features, we know that nothing we put on it can make it impossible to steal. Content Theft-Deterrent Your vehicle may be equipped with a content theft-deterrent alarm system. The security light is located on the instrument panel cluster. See Security Light on page 3-49 for additional information. To activate the theft-deterrent system, do the following: 1. Close all the doors. 2. Lock the door with the remote keyless entry transmitter. The security light should come on and ﬂash. If the lock button on the remote keyless entry transmitter is pressed, but a door is open, you may hear three chimes indicating delayed locking is enabled. See Delayed Locking on page 2-10 for additional information. Close the door and the content theft-deterrent system will be activated. If a locked door is opened without using the remote keyless entry transmitter or OnStar, if equipped with an active subscription, the alarm will go off. Your vehicle’s lamps will ﬂash and the horn will sound for about two minutes, then will turn off to save the battery power. If this occurs, you can turn off the alarm by pressing unlock on the remote keyless entry transmitter or by placing the key in the ignition and turning it to START. If your vehicle has a Driver Information Center (DIC), you can customize your alarm warning. See DIC Vehicle Customization on page 3-66 for additional information. The horn may chirp for 10 seconds before the alarm goes off if the theft-deterrent system is activated using the remote keyless entry transmitter and the driver’s door is opened. If this occurs, you can turn off the alarm by pressing unlock on the remote keyless entry transmitter or by placing the key in the ignition and turning it to START. Here is how to avoid setting off the alarm by accident: If you do not want to activate the theft-deterrent system, the vehicle should be locked with the door key after the doors are closed. (cid:127) Always unlock a door with the remote keyless entry transmitter. If you set off the alarm by accident, turn off the alarm by pressing unlock on the remote keyless entry transmitter or by placing the key in the ignition and turning it to START. Testing the Alarm The alarm can be tested by following these steps: 1. From inside the vehicle, activate the system by locking the doors with the remote keyless entry transmitter. 2. Wait for the security light to go out. 3. Unlock the door with the manual door lock and open the door. This should set off the alarm. 4. Turn off the alarm by pressing unlock on the remote keyless entry transmitter or by placing the key in the ignition and turning it to START. If the alarm does not sound when it should, but the vehicle’s headlamps ﬂash, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see Instrument Panel Fuse Block on page 5-110 and Underhood Fuse Block on page 5-113. If the alarm does not sound or the vehicle’s headlamps do not ﬂash, see your dealer for service. 2-17 (cid:127) Passlock® Your vehicle is equipped with the Passlock® theft-deterrent system. Passlock® is a passive theft-deterrent system. Passlock® enables fuel if the ignition lock cylinder is turned with a valid key. If a correct key is not used or the ignition lock cylinder is tampered with, fuel is disabled. If the engine stalls and the security light ﬂashes, wait until the light stops ﬂashing before trying to restart the engine. Remember to release the key from START as soon as the engine starts. If the engine is running and the security light comes on, you will be able to restart the engine if you turn the engine off. However, your Passlock® system is not working properly and must be serviced by your dealer. Your vehicle is not protected by Passlock® at this time. You may also want to check the fuse. See Fuses and Circuit Breakers on page 5-109. See your dealer for service. In an emergency, call the GM Roadside Assistance Center. See Roadside Assistance Program on page 7-6. 2-18 Starting and Operating Your Vehicle New Vehicle Break-In Notice: Your vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: (cid:127) Keep your speed at 55 mph (88 km/h) or less for the ﬁrst 500 miles (805 km). (cid:127) Do not drive at any one constant speed, fast or slow, for the ﬁrst 500 miles (805 km). Do not make full-throttle starts. Avoid downshifting to brake, or slow, the vehicle. (cid:127) Avoid making hard stops for the ﬁrst 200 miles (322 km) or so. During this time your new brake linings are not yet broken in. Hard stops with new linings can mean premature wear and earlier replacement. Follow this breaking-in guideline every time you get new brake linings. (cid:127) Do not tow a trailer during break-in. See Towing a Trailer on page 4-62 for the trailer towing capabilities of your vehicle and more information. Following break-in, engine speed and load can be gradually increased. Ignition Positions Use the key to turn the ignition switch to four different positions. A (LOCK): This position locks the ignition and transmission. It is a theft-deterrent feature. You will only be able to remove the key when the ignition is turned to LOCK. Notice: Using a tool to force the key from the ignition switch could cause damage or break the key. Use the correct key and turn the key only with your hand. Make sure the key is all the way in. If it is, turn the steering wheel left and right while you turn the key hard. If none of this works, then your vehicle needs service. B (ACCESSORY): This position lets you use things like the radio and the windshield wipers when the engine is off. Notice: Lengthy operation of features such as the radio in the accessory ignition position may drain the battery and prevent your vehicle from starting. Do not operate your vehicle in the accessory ignition position for a long period of time. C (RUN): This is the position for driving. D (START): This position starts the engine. 2-19 Retained Accessory Power (RAP) Your vehicle may be equipped with a Retained Accessory Power (RAP) feature which will allow certain features on your vehicle to continue to work up to 10 minutes after the ignition key is turned to LOCK. Your radio, power windows, sunroof (if equipped), and OnStar® System (if equipped) will work when the ignition key is in RUN or ACCESSORY. Once the key is turned from RUN to LOCK, these features will continue to work for up to 10 minutes or until a door is opened. Starting the Engine Your vehicle is equipped with Starter Motor Control. This feature assists in starting the engine and protects the electrical system. This feature may cause the engine to crank even after the ignition key is not in START. Move your shift lever to PARK (P) or NEUTRAL (N). Your engine will not start in any other position — that is a safety feature. To restart when you are already moving, use NEUTRAL (N) only. Notice: Do not try to shift to PARK (P) if your vehicle is moving. If you do, you could damage the transmission. Shift to PARK (P) only when your vehicle is stopped. 1. With your foot off the accelerator pedal, turn the ignition key to START. When the engine starts, let go of the key. The idle speed will go down as your engine gets warm. Notice: Holding your key in START for longer than 15 seconds at a time will disengage the starter motor, cause your battery to be drained much sooner, and add excessive heat that can damage your starter motor. Try not to hold the key in START for longer than 15 seconds and wait about 15 seconds between each try to help avoid draining your battery or damaging your starter. 2. If it does not start within 10 seconds, push the accelerator pedal all the way to the ﬂoor, while you hold the ignition key in START. When the engine starts, let go of the key and let up on the accelerator pedal. Wait about 15 seconds between each try. 2-20 When starting your engine in very cold weather (below 0°F or −18°C), do this: 1. With your foot off the accelerator pedal, turn the ignition key to START and hold it there up to 15 seconds. When the engine starts, let go of the key. 2. If your engine still will not start, or starts but then stops, it could be ﬂooded with too much gasoline. Try pushing your accelerator pedal all the way to the ﬂoor and holding it there as you hold the key in START for about three seconds. When the engine starts, let go of the key and accelerator. If the vehicle starts brieﬂy but then stops again, do the same thing, but this time keep the pedal down for ﬁve or six seconds. This clears the extra gasoline from the engine. Notice: Your engine is designed to work with the electronics in your vehicle. If you add electrical parts or accessories, you could change the way the engine operates. Before adding electrical equipment, check with your dealer. If you do not, your engine might not perform properly. Any resulting damage would not be covered by your vehicle’s warranty. Adjustable Throttle and Brake Pedal If your vehicle is equipped with this feature, you can change the position of the throttle and brake pedals. This feature is designed for shorter drivers, since the pedals can not move farther away from the standard position, but can move toward the driver for better pedal reach. The vehicle must be in PARK (P) for this feature to operate. The switch used to adjust the pedals is located on the driver’s side door panel. Press the arrow at the end of the switch closest to you to move the pedals closer to your body. Press the arrow at the far end of the switch to move the pedals away from your body. 2-21 Engine Coolant Heater Your vehicle may be equipped with an engine coolant heater. In very cold weather, 0°F (−18°C) or colder, the engine coolant heater can help. You will get easier starting and better fuel economy during engine warm-up. Usually, the coolant heater should be plugged in a minimum of four hours prior to starting your vehicle. At temperatures above 32°F (0°C), use of the coolant heater is not required. Your vehicle may also have an internal thermostat in the plug end of the cord. This will prevent operation of the engine coolant heater when the temperature is at or above 0°F (−18°C) as noted on the cord. To Use the Engine Coolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. The cord is located on the driver’s side of the engine compartment, near the power steering ﬂuid reservoir. 3. Plug it into a normal, grounded 110-volt AC outlet. {CAUTION: Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a ﬁre. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt AC outlet. If the cord will not reach, use a heavy-duty three-prong extension cord rated for at least 15 amps. 4. Before starting the engine, be sure to unplug and store the cord as it was before to keep it away from moving engine parts. If you do not, it could be damaged. How long should you keep the coolant heater plugged in? The answer depends on the outside temperature, the kind of oil you have, and some other things. Instead of trying to list everything here, we ask that you contact your dealer in the area where you will be parking your vehicle. The dealer can give you the best advice for that particular area. 2-22 Automatic Transmission Operation There are several different positions for your shift lever. Your vehicle is equipped with an automatic transmission and features an electronic shift position indicator within the instrument panel cluster. This display must be powered anytime the shift lever is capable of being moved out of PARK (P). PARK (P): This position locks your rear wheels. It is the best position to use when you start your engine because your vehicle cannot move easily. {CAUTION: It is dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake ﬁrmly set. Your vehicle can roll. Do not leave your vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle will not move, even when you are on fairly level ground, always set your parking brake and move the shift lever to PARK (P). See Shifting Into Park (P) on page 2-33. If you are pulling a trailer, see Towing a Trailer on page 4-62. 2-23 {CAUTION: {CAUTION: If you have four-wheel drive, your vehicle will be free to roll — even if your shift lever is in PARK (P) — if your transfer case is in NEUTRAL. So, be sure the transfer case is in a drive gear, two-wheel high, four-wheel high or four-wheel low — not in NEUTRAL. See Shifting Into Park (P) on page 2-33. Shifting into a drive gear while your engine is running at high speed is dangerous. Unless your foot is ﬁrmly on the brake pedal, your vehicle could move very rapidly. You could lose control and hit people or objects. Do not shift into a drive gear while your engine is running at high speed. REVERSE (R): Use this gear to back up. Notice: Shifting to REVERSE (R) while your vehicle is moving forward could damage the transmission. The repairs would not be covered by your warranty. Shift to REVERSE (R) only after your vehicle is stopped. To rock your vehicle back and forth to get out of snow, ice or sand without damaging your transmission, see If Your Vehicle is Stuck in Sand, Mud, Ice or Snow on page 4-46. NEUTRAL (N): In this position, your engine does not connect with the wheels. To restart when you are already moving, use NEUTRAL (N) only. Also, use NEUTRAL (N) when your two-wheel drive vehicle is being towed. 2-24 Notice: Shifting out of PARK (P) or NEUTRAL (N) with the engine running at high speed may damage the transmission. The repairs would not be covered by your warranty. Be sure the engine is not running at high speed when shifting your vehicle. DRIVE (D): This position is for normal driving. If you need more power for passing, and you are: (cid:127) Going less than about 35 mph (56 km/h), push your accelerator pedal about halfway down. (cid:127) Going about 35 mph (56 km/h) or more, push the accelerator all the way down. You will shift down to the next gear and have more power. DRIVE (D) can be used when towing a trailer, carrying a heavy load, driving on steep hills or for off-road driving. You may want to shift the transmission to THIRD (3) or, if necessary, a lower gear selection if the transmission shifts too often. THIRD (3): This position is also used for normal driving, however it offers more power and lower fuel economy than DRIVE (D). SECOND (2): This position gives you more power but lower fuel economy. You can use SECOND (2) on hills. It can help control your speed as you go down steep mountain roads, but then you would also want to use your brakes off and on. If you manually select SECOND (2) in a light duty automatic transmission, the transmission will drive in second gear. You may use this feature for reducing the speed of the rear wheels when you are trying to start your vehicle from a stop on slippery road surfaces. FIRST (1): This position gives you even more power (but lower fuel economy) than SECOND (2). You can use it on very steep hills, or in deep snow or mud. If the shift lever is put in FIRST (1) while the vehicle is moving forward, the transmission will not shift into ﬁrst gear until the vehicle is going slowly enough. Notice: Spinning the tires or holding the vehicle in one place on a hill using only the accelerator pedal may damage the transmission. If you are stuck, do not spin the tires. When stopping on a hill, use the brakes to hold the vehicle in place. On cold days, approximately 32°F (0°C) or colder, your transmission is designed to shift differently until the engine reaches normal operating temperature. This is intended to improve heater performance. 2-25 Tow/Haul Mode When Tow/Haul mode is selected the Tow/Haul indicator light will illuminate. The Tow/Haul mode also interacts with the Autoride® feature, if equipped, to enhance the ride when trailering or with a loaded vehicle. See Autoride® on page 4-62. Four-Wheel Drive If your vehicle has four-wheel drive, you will see the buttons shown below. You can send your engine’s driving power to all four wheels for extra traction. To get the most satisfaction out of four-wheel drive, you must be familiar with its operation. Read the part that follows before using four-wheel drive. Notice: Driving on clean, dry pavement in Four-Wheel-Drive High or Four-Wheel-Drive Low for an extended period of time may cause premature wear on your vehicle’s powertrain. Do not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel-Drive Low for extended periods of time. Your vehicle may be equipped with a Tow/Haul mode. If so, the selector button is located on the end of the column shift lever. You can use this feature to assist when towing or hauling a heavy load. See Towing a Trailer on page 4-62 for more information. 2-26 The transfer case buttons are located to the left of the instrument panel cluster. The front axle locks and unlocks automatically when you shift the transfer case. Some delay for the axle to lock or unlock is normal. For information on StabiliTrak®, see StabiliTrak® System on page 4-9. Use these buttons to shift into and out of four-wheel drive. You can choose among four driving settings: AUTO 4WD (Automatic Four-Wheel Drive): This setting is ideal for use when road surface traction conditions are variable. When driving your vehicle in AUTO 4WD, the front axle is engaged, but the vehicle’s power is sent only to the rear wheels. When the vehicle senses a loss of traction, the system will automatically engage four-wheel drive. Driving in this mode results in slightly lower fuel economy than Two-Wheel High. 2 m (Two-Wheel High): This setting is used for driving in most street and highway situations. Your front axle is not engaged in two-wheel drive. This setting also provides the best fuel economy. 4 m (Four-Wheel High): Use the four-wheel high position when you need extra traction, such as on snowy or icy roads or in most off-road situations. This setting also engages your front axle to help drive your vehicle. This is the best setting to use when plowing snow. 2-27 4 n (Four-Wheel Low): This setting also engages your front axle and delivers extra torque. You may never need this setting. It sends maximum power to all four wheels. You might choose Four Wheel-Low if you are driving off-road in deep sand, deep mud, deep snow, and while climbing or descending steep hills. StabiliTrak® will not engage in this mode. See StabiliTrak® System on page 4-9 for more information. {CAUTION: Shifting the transfer case to NEUTRAL can cause your vehicle to roll even if the transmission is in PARK (P). You or someone else could be seriously injured. Be sure to set the parking brake before placing the transfer case in NEUTRAL. See Parking Brake on page 2-32. NEUTRAL (N): Shift the vehicle’s transfer case to NEUTRAL only when towing your vehicle. See Recreational Vehicle Towing on page 4-58 or Towing Your Vehicle on page 4-58 for more information. Indicator lights in the button show which setting you are in. The indicator lights will come on brieﬂy when you turn on the ignition and one will stay on. If the lights do not come on, you should take your vehicle to your dealer for service. An indicator light will ﬂash while shifting the transfer case. It will remain illuminated when the shift is complete. If for some reason the transfer case cannot make a requested shift, it will return to the last chosen setting. If the SERVICE 4WD message stays on, you should take your vehicle to your dealer for service. See “Service 4WD message” under DIC Warnings and Messages on page 3-55. 2-28 Shifting Into Four-Wheel High or AUTO 4WD (Automatic Four-Wheel Drive) Press and release the Four-Wheel High or AUTO 4WD button. This can be done at any speed, except when shifting from Four-Wheel Low, and the indicator light will ﬂash while shifting. It will remain on when the shift is completed. Shifting Into Two-Wheel High Press and release the Two-Wheel High button. This can be done at any speed, except when shifting from Four-Wheel Low. Shifting Into Four-Wheel Low To shift to the Four-Wheel Low position, the ignition must be in RUN and the vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in NEUTRAL (N). The preferred method for shifting into four-wheel low is to have your vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and release the Four-Wheel Low button. You must wait for the four-wheel low indicator light to stop ﬂashing and remain on before shifting your transmission in gear. Notice: Shifting the transmission into gear before the Four-Wheel Low indicator light has stopped ﬂashing could damage the transfer case. To help avoid damaging your vehicle, always wait for the Four-Wheel Low indicator light to stop ﬂashing before shifting the transmission into gear. It is typical for your vehicle to exhibit signiﬁcant engagement noise and bump when shifting between Four-Wheel Low and Four-Wheel High ranges or from NEUTRAL with the engine running. If the Four-Wheel Low button is pressed when your vehicle is in gear and/or moving, the Four-Wheel Low indicator light will ﬂash for 30 seconds and not complete the shift unless your vehicle is moving less than 3 mph (5 km/h) and the transmission is in NEUTRAL (N). After 30 seconds the transfer case will shift to Four-Wheel High mode. 2-29 Shifting Out of Four-Wheel Low To shift from Four-Wheel Low to Four-Wheel High, AUTO 4WD or Two-Wheel High, your vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in NEUTRAL (N) and the ignition in RUN. The preferred method for shifting out of Four-Wheel Low is to have your vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and release the Four-Wheel High, AUTO 4WD or Two-Wheel High button. You must wait for the Four-Wheel High, AUTO 4WD or Two-Wheel High indicator light to stop ﬂashing and remain on before shifting your transmission into gear. Notice: Shifting the transmission into gear before the Four-Wheel Low indicator light has stopped ﬂashing could damage the transfer case. To help avoid damaging your vehicle, always wait for the Four-Wheel Low indicator light to stop ﬂashing before shifting the transmission into gear. It is typical for your vehicle to exhibit signiﬁcant engagement noise and bump when shifting between Four-Wheel Low and Four-Wheel High ranges or from NEUTRAL with the engine running. If the Four-Wheel High, AUTO 4WD or Two-Wheel High switch is pressed when your vehicle is in gear and/or moving, the Four-Wheel High, AUTO 4WD or Two-Wheel High indicator light will ﬂash for 30 seconds but will not complete the shift unless your vehicle is moving less than 3 mph (5 km/h) and the transmission is in NEUTRAL (N). Shifting into NEUTRAL To shift the transfer case to NEUTRAL do the following: 1. Make sure the vehicle is parked so that it will not roll. 2. Set the parking brake. See Parking Brake on page 2-32 for more information. 3. Start the vehicle or turn the ignition to RUN. 4. Put the transmission in NEUTRAL (N). 5. Shift the transfer case to Two-Wheel High. 2-30 6. Simultaneously press and hold the Two-Wheel High and Four-Wheel Low buttons for 10 seconds. The NEUTRAL light will come on when the transfer case shift to NEUTRAL is complete. 7. If the engine is running, verify that the transmission is in NEUTRAL (N) by shifting the transmission to REVERSE (R) for one second, then shift the transmission to DRIVE (D) for one second. 8. Turn the ignition to ACCESSORY, which will turn the engine off. 9. Place the transmission shift lever in PARK (P). 10. Turn the ignition to LOCK. Shifting Out of NEUTRAL To shift out of NEUTRAL do the following: 1. Set the parking brake and apply the regular brake pedal. 2. Shift the transmission to NEUTRAL (N) and turn the ignition to RUN with the engine off. 3. Press the button for the desired transfer case shift position (Two-Wheel High, Four-Wheel High, AUTO 4WD, or Four-Wheel Low). After the transfer case has shifted out of NEUTRAL the NEUTRAL light will go out. 4. Release the parking brake. Notice: Shifting the transmission into gear before the Four-Wheel Low indicator light has stopped ﬂashing could damage the transfer case. To help avoid damaging your vehicle, always wait for the Four-Wheel Low indicator light to stop ﬂashing before shifting the transmission into gear. 5. Start the engine and shift the transmission to the desired position. Excessively shifting the transfer case into or out of the different modes may cause the transfer case to enter the shift protection mode. This will protect the transfer case from possible damage and will only allow the transfer case to respond to one shift per 10 seconds. The transfer case may stay in this mode for up to three minutes. 2-31 Parking Brake To set the parking brake, hold the regular brake pedal down with your right foot. Push down the parking brake pedal with your left foot. A chime will activate and the warning light will ﬂash when the parking brake is applied and the vehicle is moving at least 3 mph (5 km/h) for at least three seconds. To release the parking brake, hold the regular brake pedal down. Pull the bottom edge of the lever, located above the parking brake pedal, with the parking brake symbol, to release the parking brake. If the ignition is on when the parking brake is released, the brake system warning light will go off. Notice: Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Verify that the parking brake is fully released and the brake warning light is off before driving. If you are towing a trailer and are parking on any hill, see Towing a Trailer on page 4-62. 2-32 1. Hold the brake pedal down with your right foot and set the parking brake. 2. Move the shift lever into the PARK (P) position by pulling the shift lever toward you and moving it up as far as it will go. 3. Be sure the transfer case is in a drive gear — not in NEUTRAL (N). 4. Turn the ignition key to LOCK. 5. Remove the key and take it with you. If you can leave your vehicle with the ignition key in your hand, your vehicle is in PARK (P). Shifting Into Park (P) {CAUTION: It can be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake ﬁrmly set. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle will not move, even when you are on fairly level ground, use the steps that follow. With four-wheel drive, if your transfer case is in NEUTRAL, your vehicle will be free to roll, even if your shift lever is in PARK (P). So, be sure the transfer case is in a drive gear — not in NEUTRAL. If you are pulling a trailer, see Towing a Trailer on page 4-62. 2-33 Leaving Your Vehicle With the Engine Running {CAUTION: It can be dangerous to leave your vehicle with the engine running. Your vehicle could move suddenly if the shift lever is not fully in PARK (P) with the parking brake ﬁrmly set. If you have four-wheel drive and your transfer case is in NEUTRAL, your vehicle will be free to roll, even if your shift lever is in PARK (P). So be sure the transfer case is in a drive gear — not in NEUTRAL. And, if you leave the vehicle with the engine running, it could overheat and even catch ﬁre. You or others could be injured. Do not leave your vehicle with the engine running unless you have to. If you have to leave your vehicle with the engine running, be sure your vehicle is in PARK (P) and the parking brake is ﬁrmly set before you leave it. After you move the shift lever into PARK (P), hold the regular brake pedal down. Then, see if you can move the shift lever away from PARK (P) without ﬁrst pulling it toward you. If you can, it means that the shift lever was not fully locked into PARK (P). Torque Lock If you are parking on a hill and you do not shift your transmission into PARK (P) properly, the weight of the vehicle may put too much force on the parking pawl in the transmission. You may ﬁnd it difficult to pull the shift lever out of PARK (P). This is called “torque lock.” To prevent torque lock, set the parking brake and then shift into PARK (P) properly before you leave the driver’s seat. To ﬁnd out how, see Shifting Into Park (P) on page 2-33. When you are ready to drive, move the shift lever out of PARK (P) before you release the parking brake. If torque lock does occur, you may need to have another vehicle push yours a little uphill to take some of the pressure from the parking pawl in the transmission, so you can pull the shift lever out of PARK (P). 2-34 Shifting Out of Park (P) Automatic Transmission Your vehicle has an automatic transmission shift lock control system which locks the shift lever in PARK (P) when the ignition is in the LOCK position. You have to fully apply your regular brakes before you can shift from PARK (P) when the ignition is in RUN. See Automatic Transmission Operation on page 2-23. If you cannot shift out of PARK (P), ease pressure on the shift lever and push the shift lever all the way up into PARK (P) as you maintain brake application. Then, move the shift lever into the gear you want. If you ever hold the brake pedal down but still can’t shift out of PARK (P), try this: 1. Turn the key to ACCESSORY. There is no shift interlock in this key position. 2. Apply and hold the brake until the end of Step 4. 3. Shift the transmission to NEUTRAL (N). 4. Start the vehicle and then shift to the gear you want. 5. Have the system ﬁxed as soon as you can. Parking Over Things That Burn {CAUTION: Things that can burn could touch hot exhaust parts under your vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. 2-35 Running the Engine While Parked It is better not to park with the engine running. But if you ever have to, here are some things to know. {CAUTION: Idling the engine with the climate control system off could allow dangerous exhaust into your vehicle. See the earlier caution under Engine Exhaust on page 2-36. Also, idling in a closed-in place can let deadly carbon monoxide (CO) into your vehicle even if the climate control fan is at the highest setting. One place this can happen is a garage. Exhaust — with CO — can come in easily. NEVER park in a garage with the engine running. Another closed-in place can be a blizzard. See Winter Driving on page 4-42. Engine Exhaust {CAUTION: Engine exhaust can kill. It contains the gas carbon monoxide (CO), which you cannot see or smell. It can cause unconsciousness and death. You might have exhaust coming in if: (cid:127) Your exhaust system sounds strange or different. (cid:127) Your vehicle gets rusty underneath. (cid:127) Your vehicle was damaged in a collision. (cid:127) Your vehicle was damaged when driving over high points on the road or over road debris. (cid:127) Repairs were not done correctly. (cid:127) Your vehicle or exhaust system had been modiﬁed improperly. If you ever suspect exhaust is coming into your vehicle: (cid:127) Drive it only with all the windows down to blow out any CO; and (cid:127) Have your vehicle ﬁxed immediately. 2-36 {CAUTION: It can be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake ﬁrmly set. Your vehicle can roll. Do not leave your vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle will not move, even when you are on fairly level ground, always set your parking brake and move the shift lever to PARK (P). {CAUTION: Four-wheel drive vehicles with the transfer case in NEUTRAL will allow the vehicle to roll, even if your shift lever is in PARK (P). So, be sure the transfer case is in a drive gear — not in NEUTRAL. Always set your parking brake. Follow the proper steps to be sure your vehicle will not move. See Shifting Into Park (P) on page 2-33. If you are pulling a trailer, see Towing a Trailer on page 4-62. Mirrors Manual Rearview Mirror Pull the tab under the mirror toward you to reduce glare from headlamps behind you after dark. Push the tab away from you for normal daytime operation. Automatic Dimming Rearview Mirror with OnStar® and Compass Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar® system. There are three additional buttons for the OnStar® system. See your dealer for more information on the system and how to subscribe to OnStar®. See OnStar® System on page 2-50 for more information about the services OnStar® provides. 2-37 The compass can be calibrated by driving the vehicle in circles at 5 mph (8 km/h) or less until the display reads a direction. Compass Variance Compass variance is the difference between earth’s magnetic north and true geographic north. The mirror is set to zone eight upon leaving the factory. It will be necessary to adjust the compass to compensate for compass variance if you live outside zone eight. Under certain circumstances, such as during a long distance cross-country trip, it will be necessary to adjust for compass variance. If not adjusted to account for compass variance, your compass could give false readings. To adjust for compass variance, do the following: 1. Find your current location and variance zone number on the map. Mirror Operation When turned on, this mirror automatically dims to the proper level to minimize glare from any headlamps behind you after dark. O(On/Off): This is the on/off button for the automatic dimming feature and compass. Press the far left button, located below the mirror face, for up to three seconds to turn the feature on and off. A light on the mirror will be lit while the feature is turned on. Compass Operation Press the on/off button once to turn the compass on or off. There is a compass display in the window in the upper right corner of the mirror face. The compass displays a maximum of two characters. For example, “NE” is displayed for north-east. Compass Calibration Press and hold the on/off button down for nine seconds to activate the compass calibration mode. CAL will be displayed in the compass window on the mirror. 2-38 Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display Your vehicle may have this feature. When on, the automatic dimming mirror dims to the proper level to minimize glare from lights behind you after dark. The mirror has a dual display in the upper right corner of the mirror face that shows the compass reading and the outside temperature. Control buttons for the OnStar® system are at the bottom of the mirror. See OnStar® System on page 2-50 for more information about the services OnStar® provides. P (On/Off): This is the on/off button. Temperature and Compass Display Press the on/off button, located to the far left, brieﬂy to turn the compass/temperature display on or off. If the display reads CAL, the compass needs to be calibrated. For more information, see “Compass Calibration” following. 2-39 2. Press and hold the on/off button for six seconds. Release the button when ZONE is displayed. The number shown is the current zone number. 3. Scroll through the zone numbers that appear in the compass/temperature window on the mirror by pressing the on/off button. Once you ﬁnd your zone number, release the button. After about four seconds, the mirror will return to the compass display, and the new zone number will be set. To adjust between Fahrenheit and Celsius, do the following: 1. Press and hold the on/off button for approximately four seconds until either a ﬂashing F or C appears. 2. Press the button again to change the display to the desired unit of measurement. After approximately four seconds of inactivity, the new unit will be locked in and the compass/temperature display will return. If an abnormal temperature reading is displayed for an extended period of time, please see your GM dealer. Under certain circumstances, a delay in updating the temperature is normal. Automatic Dimming Mirror Operation The automatic dimming mirror function is turned on automatically each time the ignition is started. To operate the automatic dimming mirror, do the following: 1. Make sure the green indicator light, located to the left of the on/off button, is lit. If it is not, press and hold the on/off button for approximately six seconds until the green light comes on, indicating that the mirror is in automatic dimming mode. 2. Turn off the automatic dimming mirror function by pressing and holding the on/off button for approximately six seconds, until the green indicator light turns off. Compass Variance The mirror is set in zone eight upon leaving the factory. It will be necessary to adjust the compass to compensate for compass variance if the vehicle is outside of zone eight. Under certain circumstances, as during a long distance cross-country trip, it will be necessary to adjust for compass variance. Compass variance is the difference between earth’s magnetic north and true geographic north. If not adjusted to account for compass variance, the compass could give false readings. To adjust for compass variance, do the following: 1. Find your current location and variance zone number on the following zone map. 2-40 Compass Calibration The compass may need calibration if one of the following occurs: (cid:127) After approximately ﬁve seconds, the display does not show a compass heading, N for North, for example, there may be a strong magnetic ﬁeld interfering with the compass. Such interference may be caused by a magnetic antenna mount, magnetic note pad holder, or a similar magnetic item. The compass does not display the correct heading and the compass zone variance is set correctly. In order to calibrate, CAL must be displayed in the mirror compass windows. If CAL is not displayed, push the on/off button for approximately 12 seconds or until CAL is displayed. The compass can be calibrated by driving the vehicle in circles at 5 mph (8 km/h) or less until the display reads a direction. Passenger Airbag Indicator The vehicle may be equipped with a passenger airbag indicator, on the mirror glass, just above the buttons. For more information, see Passenger Sensing System on page 1-80 and Passenger Airbag Status Indicator on page 3-37. 2-41 2. Press and hold the on/off button until a Z and a zone number appears in the display. The compass is now in zone mode. 3. Keep pressing the on/off button until the desired zone number appears in the display. Release the button. After approximately four seconds of inactivity, the new zone number will be locked in and the compass/temperature display will return. 4. Calibrate the compass as described next. (cid:127) Cleaning the Mirror When cleaning the mirror, use a paper towel or similar material dampened with glass cleaner. Do not spray glass cleaner directly on the mirror as that may cause the liquid cleaner to enter the mirror housing. Automatic Dimming Rearview Mirror with Compass Your vehicle may have an automatic-dimming rearview mirror with a compass. Mirror Operation When turned on, this mirror automatically dims to the proper level to minimize glare from any headlamps behind you after dark. O(On/Off): This is the on/off button for the automatic dimming feature and compass. Press the far left button, located below the mirror face, for up to three seconds to turn the feature on and off. A light on the mirror will be lit while the feature is turned on. Compass Operation Press the on/off button once to turn the compass on or off. There is a compass display in the window in the upper right corner of the mirror face. The compass displays a maximum of two characters. For example, “NE” is displayed for north-east. Compass Calibration Press and hold the on/off button down for nine seconds to activate the compass calibration mode. CAL will be displayed in the compass window on the mirror. The compass can be calibrated by driving the vehicle in circles at 5 mph (8 km/h) or less until the display reads a direction. Compass Variance Compass variance is the difference between earth’s magnetic north and true geographic north. The mirror is set to zone eight upon leaving the factory. It will be necessary to adjust the compass to compensate for compass variance if you live outside zone eight. Under certain circumstances, such as during a long distance cross-country trip, it will be necessary to adjust for compass variance. If not adjusted to account for compass variance, your compass could give false readings. 2-42 To adjust for compass variance, do the following: 1. Find your current location and variance zone number on the map. 2. Press and hold the on/off button for six seconds. Release the button when ZONE is displayed. The number shown is the current zone number. 3. Scroll through the zone numbers that appear in the compass/temperature window on the mirror by pressing the on/off button. Once you ﬁnd your zone number, release the button. After about four seconds, the mirror will return to the compass display, and the new zone number will be set. Automatic Dimming Rearview Mirror with Compass and Temperature Display Your vehicle may be equipped with this feature. When on, an automatic dimming mirror will dim to the proper level to

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2006 Chevrolet Suburban Owners Manual