2006 GMC Envoy Owners Manual

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The passenger sensing system is designed to turn off the right front passenger’s frontal airbag if: (cid:127) the right front passenger seat is unoccupied (cid:127) the system determines that an infant is present in a rear-facing infant seat (cid:127) the system determines that a small child is present in a forward-facing child restraint (cid:127) the system determines that a small child is present in a booster seat (cid:127) a right front passenger takes his/her weight off of the seat for a period of time (cid:127) the right front passenger seat is occupied by a smaller person, such as a child who has outgrown child restraints (cid:127) 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 in the rearview mirror 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 1-53. 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. 1-69 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. {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 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 3-35 for more on this, including important safety information. 1-70 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 1-72 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. 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. 1-71 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. Q: Because I have a disability, I have to get my vehicle modiﬁed. How can I ﬁnd out whether this will affect my airbag system? A: Changing or moving any parts of the front seats, safety belts, the airbag sensing and diagnostic module, or the inside rearview mirror can affect the operation of the 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. 1-72 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. 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. If you damage the covering for the driver’s 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 airbag, or the side impact airbag covering (if equipped) on the ceiling near the side windows, 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 airbag, or side impact airbag module and ceiling covering for roof-mounted side impact airbags (if equipped.) Do not open or break the airbag coverings. 1-73 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. If the airbags inﬂate you will also need to replace the driver and front passenger’s safety belt retractor assembly. Be sure to do so. Then the new retractor assembly will be there to help protect you in a collision. After a crash you may need to replace the driver and front passenger’s safety belt retractor assemblies, even if the airbags have not deployed. The driver and front passenger’s safety belt retractor assemblies contain the safety belt pretensioners. Have your safety belt pretensioners checked if your vehicle has been in a collision, or if your airbag readiness light stays on after you start your vehicle or while you are driving. See Airbag Readiness Light on page 3-35. 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. If the LATCH system was being used during a more severe crash, you may need new LATCH system parts. 1-74 Section 2 Features and Controls Keys ...............................................................2-3 Remote Keyless Entry System .........................2-5 Remote Keyless Entry System Operation ...........2-6 Doors and Locks .............................................2-8 Door Locks ....................................................2-8 Power Door Locks ..........................................2-9 Delayed Locking .............................................2-9 Programmable Automatic Door Locks ..............2-10 Rear Door Security Locks ..............................2-12 Lockout Protection ........................................2-12 Liftgate/Liftglass ............................................2-13 Windows ........................................................2-14 Power Windows ............................................2-15 Power Rear Quarter Windows ........................2-16 Sun Visors ...................................................2-16 Theft-Deterrent Systems ..................................2-17 Content Theft-Deterrent .................................2-17 Passlock® ....................................................2-18 Starting and Operating Your Vehicle ................2-19 New Vehicle Break-In ....................................2-19 Ignition Positions ..........................................2-19 Retained Accessory Power (RAP) ...................2-20 Starting the Engine .......................................2-20 Adjustable Throttle and Brake Pedal ................2-22 Engine Coolant Heater ..................................2-22 Displacement on Demand™ (DoD™) ...............2-23 Automatic Transmission Operation ...................2-24 Four-Wheel Drive ..........................................2-27 Parking Brake ..............................................2-31 Shifting Into Park (P) .....................................2-32 Shifting Out of Park (P) .................................2-33 Parking Over Things That Burn .......................2-34 Engine Exhaust ............................................2-34 Running the Engine While Parked ...................2-35 Mirrors ...........................................................2-36 Manual Rearview Mirror .................................2-36 Manual Rearview Mirror with OnStar® ..............2-36 Manual Rearview Mirror with OnStar®, Compass, and Temperature Display .............2-37 Automatic Dimming Rearview Mirror with OnStar® and Compass ........................2-39 Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display ..................................2-40 Automatic Dimming Rearview Mirror with Compass ...........................................2-43 Automatic Dimming Rearview Mirror with Compass and Temperature Display ..............2-44 Outside Manual Mirrors ..................................2-47 Outside Power Mirrors ...................................2-47 Outside Curb View Assist Mirror .....................2-48 Outside Convex Mirror ...................................2-48 Outside Heated Mirrors ..................................2-48 2-1 Section 2 Features and Controls OnStar® System .............................................2-49 Universal Home Remote System ......................2-51 Universal Home Remote System Operation ......2-52 Storage Areas ................................................2-56 Glove Box ...................................................2-56 Overhead Console ........................................2-56 Center Console Storage Area .........................2-56 Luggage Carrier ...........................................2-57 Rear Compartment Storage Panel/Cover ..........2-58 Rear Floor Storage Lid ..................................2-60 Convenience Net ..........................................2-60 Cargo Cover ................................................2-61 Cargo Tie Downs ..........................................2-61 Sunroof .........................................................2-62 Vehicle Personalization ...................................2-62 Memory Seat ...............................................2-62 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 This vehicle has one double-sided key for the ignition and door lock. It will ﬁt with either side up. The key code number tells your dealer or a qualiﬁed locksmith how to make extra keys. Keep this number in a safe place. If you lose your keys, you’ll be able to have new ones made easily using this number. Your selling dealer should also have this number. 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 you ever lock your keys in your vehicle, When a new vehicle is delivered, the dealer provides the owner with a pair of identical keys and a key code number. 2-4 Remote Keyless Entry System Your keyless entry system 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. At times you may notice a decrease in operating 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 2-6. (cid:127) If you are still having trouble, see your dealer or a qualiﬁed technician for service. 2-5 Remote Keyless Entry System Operation If your vehicle has this feature, you can lock and unlock your doors from about 3 feet (1 m) up to 30 feet (9 m) away using the remote keyless entry transmitter supplied with your vehicle. K(Unlock): Press unlock for the driver’s door to unlock automatically, the parking lamps to ﬂash and the interior lights to go on. Press the unlock button a second time within three seconds to unlock all the doors. You can program different feedback settings through the Driver Information Center (DIC). For more information see Driver Information Center (DIC) on page 3-50. Q(Lock): Press lock to lock all the doors. Press lock again within three seconds and the horn will chirp. L(Panic): Press the horn symbol to make the horn sound. The headlamps and taillamps will ﬂash for up to 30 seconds. This can be turned off by pressing the horn 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. 2-6 To replace the battery in the remote keyless entry transmitter do the following: 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’s probably time to change the battery. The Driver Information Center (DIC) will display a KEY FOB # BATTERY LOW message when the transmitter battery is low. 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. 1. Insert a thin coin in the slot between the covers of the transmitter housing. Gently pry the transmitter apart. 2. Remove and replace the battery with a three-volt CR2032 or equivalent battery. 3. Align the covers and snap them together. 4. Check the operation of the transmitter. 2-7 Doors and Locks Door Locks {CAUTION: There are several ways to lock and unlock your vehicle. You can use the remote keyless entry system. You can use your key to unlock your door from the outside. 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 You can lock or unlock the door from the inside by sliding the manual lever forward or rearward. When the door is unlocked, you can see a red area on the lever. The manual lever on each door works only that door’s lock. Power Door Locks The power door lock switches are located on the driver’s and front passenger’s door armrests. Press the lock symbol to lock all of the doors. To unlock the doors, press the other side of the switch. Delayed Locking This feature delays the locking of the doors and the liftgate when using the power lock or the remote keyless entry system. The ﬁrst press of the power door lock switch or lock button on the remote keyless entry transmitter with the driver’s door open will activate the delay locking. A chime will sound. All doors and the liftgate can be reopened for up to ﬁve seconds from the time the last door is closed. Five seconds after the last door is closed, all the doors will lock. You can lock the doors immediately by using the power door lock switch or by pressing the lock button on the optional remote keyless entry transmitter a second time. If the key is inserted in the ignition, this feature will not lock the doors. See Lockout Protection on page 2-12. You can turn the delayed locking feature on or off. If the feature is turned off, the doors will lock immediately when a power door lock switch or remote keyless entry transmitter lock button is pressed. Programming Delayed Locking To turn the delayed locking feature on or off, do the following: 1. Press and hold the power door lock switch on the driver’s door in the lock position. 2. Press the remote keyless entry transmitter unlock button twice. If the delayed locking feature was on, it will now be off. If the feature was off, it will now be on. 2-9 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 The following is the list of 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 three 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. 3. You are now ready to program the automatic door locks. Select one of the programming options listed above, 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. 2-10 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 you need to 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. 3. You are now ready to program the automatic door locks. Select one of the four programming options listed above, 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. 2-11 Rear Door Security Locks Your vehicle may have this feature. You can lock the rear doors so they cannot be opened from the inside by passengers. To use one of these locks do the following: 1. Open one of the rear doors. You will ﬁnd a security lock lever located on the inside edge of each rear door. 2. Move the lever down to engage the security lock. Move the lever up to disengage the security lock. The rear doors of your vehicle cannot be opened from the inside while this feature is in use. If you want to open the rear door while the security lock is on, unlock the door and open the door from the outside. Lockout Protection This feature stops the power door locks from locking when the key is in the ignition and a door is open to protect you from locking your key in the vehicle. If the power lock switch is pressed when a door is open and the key is in the ignition, all the doors will lock and then the driver’s door will unlock. 3. Close the door. 2-12 Liftgate/Liftglass {CAUTION: It can be dangerous to drive with the liftgate or liftglass 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 open or if electrical wiring or other cable connections must pass through the seal between the body and the liftgate or liftglass: (cid:127) Make sure all other windows are shut. (cid:127) Turn the fan on your climate control system to its highest speed and select the control setting that will force outside air into your vehicle. See “Climate Control System” in the Index. (cid:127) If you have air outlets on or under the instrument panel, open them all the way. See Engine Exhaust on page 2-34. Liftgate Release To unlock the liftgate, use the power door lock switch or the remote keyless entry transmitter. See Remote Keyless Entry System Operation on page 2-6. The liftglass will also unlock when the liftgate is unlocked. Press the button on the liftglass to open it. To open the entire liftgate, lift the handle located in the center of the liftgate. When the liftgate is opened, the liftglass will lock after a short delay. Emergency Release for Opening Liftgate 1. Remove the trim plug, located on the inside of the liftgate in the center, to expose the access hole in the trim panel. 2. Use a tool to reach through the access hole in the trim panel. 3. Pry the left release lever up to the unlock position. Pry the right release lever up to unlatch the liftgate. 4. Reinstall the trim plug. 2-13 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 Express-Down Window AUTO (Express-down): The driver’s and front passenger’s window switches have an express-down feature that allows you to lower the window without holding the switch down. Press down brieﬂy on the driver’s or front passenger’s window switch labeled AUTO to activate the express-down feature. Lightly tap the switch to open the window slightly. The express-down feature can be interrupted at any time by pressing the top of the switch. Window Lockout o(Lockout): Your vehicle has a lockout feature to prevent passengers from operating the power windows. The lockout switch is located in front of the window switches on the driver’s door. A light in the lockout switch will come on to show that the switch has been activated. Press the lockout switch again to return to normal operation. 2-15 The controls for the power windows are located on the armrest on each of the side doors. With power windows, the switches operate the windows when the ignition is in RUN, ACCESSORY or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-20. The driver’s door also has a switch for each of the passenger’s windows. Press down the top of the switch to lower the window and pull up on the switch to raise the window. If you hold the switch down for three to seven seconds after the window has been completely lowered or raised, the window will not operate for about 15 seconds. Power Rear Quarter Windows Your vehicle may have power rear quarter windows. The switches that operate the windows are located on the overhead console. These switches allow the driver to open and close each third row seat window separately. ) (Driver’s Quarter Glass): Press the button downward to open or upward to close the drivers side (left) quarter glass for the third row seat. ( (Passenger’s Quarter Glass): Press the button downward to open or upward to close the passengers side (right) quarter glass for the third row seat. The ignition must be in RUN, ACCESSORY, or Retained Accessory Power (RAP) must be active, to use the power rear quarter windows. See Retained Accessory Power (RAP) on page 2-20. 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 also be moved along the rod from side-to-side in this position. 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. Visor Vanity Mirror Pull the sun visor down to expose the vanity mirror. You may have to lift a cover to expose the mirror. Lighted Visor Vanity Mirror Your vehicle may have this feature. Pull the sun visor down and lift the mirror cover to turn on the lamps. The lamps will turn off when the cover is closed. 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. Here’s how to operate the system: 1. Open the door. 2. Lock the door with the power door lock switch or the remote keyless entry transmitter. The security light should ﬂash. 3. Close all doors. The security light should turn off after approximately 30 seconds. The alarm is not armed until the security light turns off. If a locked door is opened without the key or the remote keyless entry transmitter, the alarm will go off. The headlamps and parking lamps will ﬂash for two minutes, and the horn will sound for 30 seconds, then will turn off to save the battery power. Remember, the theft-deterrent system won’t activate if you lock the doors with a key or use the manual door lock. It activates only if you use a power door lock switch with the door open, or with the remote keyless entry transmitter. You should also remember that you can start your vehicle with the correct ignition key if the alarm has been set off. Here’s how to avoid setting off the alarm by accident: (cid:127) If you don’t 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 a key, or use the remote keyless entry transmitter. Unlocking a door any other way will set off the alarm. If you set off the alarm by accident, unlock any door with the key. You can also turn off the alarm by pressing unlock on the remote keyless entry transmitter. The alarm won’t stop if you try to unlock a door any other way. 2-17 Testing the Alarm The alarm can be tested by following these steps: 1. From inside the vehicle, lower the driver’s window and open the driver’s door. 2. Activate the system by locking the doors with the power door lock switch while the door is open, or with the remote keyless entry transmitter. 3. Get out of the vehicle, close the door and wait for the security light to go out. 4. Then reach in through the window, unlock the door with the manual door lock and open the door. This should set off the alarm. When the alarm is set the power door unlock switch is not operational. If the alarm does not sound when it should but the headlamps ﬂash, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see Fuses and Circuit Breakers on page 5-103. If the alarm does not sound or the headlamps do not ﬂash, the vehicle should be serviced by your dealer. 2-18 Passlock® Your vehicle is equipped with the Passlock® theft-deterrent system. Passlock® is a passive theft-deterrent system that 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, the fuel system is disabled and the vehicle will not start. During normal operation, the security light will turn off approximately ﬁve seconds after the key is turned to RUN. If the engine stalls and the security light ﬂashes, wait about 10 minutes 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 does not start after three tries, the vehicle needs service. 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 5-103. See your dealer for service. In an emergency, call the GM Roadside Assistance Center. See Roadside Assistance Program on page 7-6. 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 4-56 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: cannot turn it, be sure you are using the correct key; if so, is it all the way in? Turn the key only with your hand. Using a tool to force it could break the key or the ignition switch. If none of these works, then your vehicle needs service. If your key seems stuck in LOCK and you 2-19 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. Retained Accessory Power (RAP) Your vehicle is equipped with a Retained Accessory Power (RAP) feature which will allow certain features of your vehicle to continue to work up to 20 minutes after the ignition key is turned to LOCK. Your radio, power windows, sunroof (option) and overhead console 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 20 minutes or until a door is opened. Starting the Engine 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. Your vehicle has a Computer-Controlled Cranking System. This feature assists in starting the engine and protects the electrical system. If the ignition key is turned to the START position, and then released when the engine begins cranking, the engine will continue cranking until the vehicle starts or until it exceeds the maximum cranking time allowed, approximately 15 seconds to prevent cranking motor damage. To prevent gear damage, this system also prevents cranking if the engine is already running. The engine cranking can be stopped by turning the ignition switch to the ACCESSORY or LOCK position. 2-20 Notice: Holding your key in START for longer than 15 seconds at a time will cause your battery to be drained much sooner. And the excessive heat can damage your starter motor. 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. 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. 2-21 Adjustable Throttle and Brake Pedal If your vehicle has this feature, you can change the position of the throttle and brake pedals. This feature is designed for shorter drivers, since the pedals cannot move farther away from the standard position, but can move closer for better pedal reach. This feature can be programmed to work with the memory function, if equipped, on your vehicle. See Memory Seat on page 2-62. The vehicle must be in PARK (P) for this feature to operate. The switch used to adjust the pedals is located on the steering column. Engine Coolant Heater Your vehicle may have 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. 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, behind the battery. 3. Plug it into a normal, grounded 110-Volt AC outlet. Press the switch forward or backward to move the pedals closer or farther away from you. 2-22 Displacement on Demand™ (DoD™) Your vehicle’s V8 engine may have Displacement on Demand™ (DoD™). This system allows the engine to operate on either all or half of its cylinders, depending on your driving conditions. When less power is required, such as cruising at a constant vehicle speed, the system will operate in the half cylinder mode, allowing your vehicle to achieve better fuel economy. When greater power demands are required, such as accelerating from a stop, passing, or merging onto a freeway, the system will maintain full-cylinder operation. {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. 2-23 Automatic Transmission Operation There are several different positions for your gear shift lever. PARK (P): This position locks the rear wheels. It is the best position to use when you start the 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 2-32. If you are pulling a trailer, see Towing a Trailer on page 4-56. 2-24 {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 — not in NEUTRAL. See Four-Wheel Drive on page 2-27. See Shifting Into Park (P) on page 2-32. Ensure the shift lever is fully in PARK (P) before starting the engine. Your vehicle has an automatic transmission shift lock control system. You have to fully apply the regular brakes before you can shift from PARK (P) when the ignition key is in RUN. If you cannot shift out of PARK (P), ease pressure on the shift lever, press the button on the shift lever and push the shift lever all the way into PARK (P) as you maintain brake application. Move the shift lever into the gear you wish. See Shifting Out of Park (P) on page 2-33. 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 4-44. NEUTRAL (N): In this position, the engine does not connect with the wheels. To restart when you are already moving, use NEUTRAL (N) only. {CAUTION: 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. 2-25 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. SECOND (2): This position gives you more power but lower fuel economy than THIRD (3). 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 the brakes off and on. 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 (55 km/h), push the accelerator pedal about halfway down. (cid:127) Going about 35 mph (55 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). To shift to the THIRD (3) position, you must ﬁrst press the large button on the shift handle. While the button is pressed, move the shifter in the THIRD (3) position. To shift to the SECOND (2) position, you must ﬁrst press the large button on the shift handle. While the button is pressed, move the shifter in the SECOND (2) position. You can also use SECOND (2) for starting the 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 selector 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. To shift to the FIRST (1) position, you must ﬁrst press the large button on the shift handle. While the button is pressed, move the shifter in the FIRST (1) position. 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. 2-26 Automatic Transfer Case Your vehicle will have one of the following transfer case knobs. Four-Wheel Drive If your vehicle has four-wheel drive, the engine’s driving power can be sent 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. You should use Two-Wheel High for most normal driving conditions. 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. If your vehicle has four-wheel drive, the transfer case knob is located to the right of the steering wheel on the instrument panel. Use this knob to shift into and out of four-wheel drive. 2-27 2HI, 2 m (Two-Wheel High): This setting is for driving in most street and highway situations. Your front axle is not engaged in two-wheel drive. It also provides the best fuel economy. A4WD, AUTO (Automatic Four-Wheel Drive): This setting is ideal for use when road conditions are variable. When driving your vehicle in automatic four-wheel drive, the front axle is engaged, but the vehicle’s power is sent 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. 4HI, 4 m (Four-Wheel High): This setting should be used 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. 4LO, 4 n (Four-Wheel Low): This setting also engages your front axle and delivers extra torque. It sends maximum power to all four wheels. You might choose this setting if you are driving off-road in deep sand, deep mud, and climbing or descending steep hills. {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 2-31. NEUTRAL: Shift the vehicle’s transfer case to NEUTRAL only when towing your vehicle. See Recreational Vehicle Towing on page 4-50 for more information. An indicator light in the knob will show you which position the transfer case is 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 stay on 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. 2-28 If the service Four-Wheel Drive Warning Light on the instrument panel cluster stays on, you should take your vehicle to your dealer for service. See Service Four-Wheel Drive Warning Light on page 3-48 for further information. Shifting Into Four-Wheel High or Automatic Four-Wheel Drive Turn the knob to Four-Wheel High or Automatic Four-Wheel Drive. This can be done at any speed unless you are shifting out of Four-Wheel Low. The indicator light will ﬂash while shifting. It will remain on when the shift is complete. Shifting Into Two-Wheel High Turn the knob to Two-Wheel High. This can be done at any speed unless you are shifting out of Four-Wheel Low. Shifting Into Four-Wheel Low To shift to Four-Wheel Low, the vehicle’s engine must be running and the vehicle must be stopped or moving less than 2 mph (3.2 km/h) with the transmission in NEUTRAL (N). The preferred method for shifting into Four-Wheel Low is to have your vehicle moving 1 or 2 mph (1.6 to 3.2 km/h). Turn the knob to Four-Wheel Low. You must wait for the Four-Wheel Low indicator light to stop ﬂashing and stay on before shifting the transmission into gear. If you turn the knob to Four-Wheel Low 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 2 mph (3.2 km/h) and the transmission is in NEUTRAL (N). After 30 seconds, the transfer case will return to the setting last chosen. Shifting Out of Four-Wheel Low To shift from Four-Wheel Low to Four-Wheel High, Auto Four-Wheel Drive, or Two-Wheel High, your vehicle must be stopped or moving less than 2 mph (3.2 km/h) with the transmission in NEUTRAL (N) and the engine running. The preferred method for shifting out of Four-Wheel Low is to have your vehicle moving 1 or 2 mph (1.6 to 3.2 km/h). Turn the knob to Four-Wheel High, Auto Four-Wheel Drive, or Two-Wheel High. You must wait for the Four-Wheel High, Auto Four-Wheel Drive, or Two-Wheel High indicator light to stop ﬂashing and stay off before shifting your transmission into gear. If the knob is turned to Four Wheel-High, Auto Four-Wheel Drive, or Two-Wheel High when your vehicle is in gear and/or moving, the Four-Wheel High, Auto Four-Wheel Drive, or Two-Wheel High indicator light will ﬂash for 30 seconds. It will not complete the shift unless your vehicle is moving less than 2 mph (3.2 km/h) with the transmission in NEUTRAL (N). 2-29 Shifting Out of NEUTRAL To shift the transfer case out of NEUTRAL, do the following: 1. Set the parking brake and apply the regular brake pedal. 2. Turn the ignition to RUN with the engine off. 3. Put the transmission in NEUTRAL (N). 4. Turn the transfer case knob to the desired position (Two-Wheel High, Four-Wheel High, or Auto Four-Wheel Drive). 5. After the transfer case has shifted out of NEUTRAL, the indicator light will go out. 6. Release the parking brake. 7. Start the engine and shift the transmission to the desired position. Shifting into NEUTRAL Before shifting the transfer case to NEUTRAL, ﬁrst make sure the vehicle is parked so that it will not roll. 1. Set the parking brake. 2. Start the vehicle. 3. Put the transmission in NEUTRAL (N). 4. Shift the transfer case to Two-Wheel High. 5. Turn the transfer case knob all of the way past Four-Wheel Low and hold it there for a minimum of 10 seconds. The neutral indicator light will come on. 6. With the engine running, shift the transmission to REVERSE (R) for one second, then shift the transmission to DRIVE (D) for one second, to ensure that the transfer case is in NEUTRAL. 7. Turn the engine off, by turning the key to ACCESSORY. 8. Place the transmission shift lever in PARK (P). 9. Turn the ignition to LOCK. 2-30 Parking Brake To set the parking brake, hold the regular brake pedal down with your foot and pull up on the parking brake lever located between the seats. If the ignition is on, the brake system warning light on the instrument panel cluster will come on. See Brake System Warning Light on page 3-39. To release the parking brake, hold the regular brake pedal down. Pull the parking brake lever up until you can press in the button at the end of the lever. Hold the button in as you move the parking brake lever all the way down. 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 you must park on a hill, see Towing a Trailer on page 4-56. 2-31 To shift into PARK (P), do the following: 1. Hold the brake pedal down with your foot and set the parking brake. 2. Move the shift lever into PARK (P) by pressing the button on the side of the shift lever and pushing the lever all the way toward the front of the vehicle. 3. Turn the ignition key to LOCK. 4. Remove the key and take it with you. You know your vehicle is in PARK (P) if the key can be removed from the ignition. 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, 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 — not in NEUTRAL. See Four-Wheel Drive on page 2-27. Always put the shift lever fully in PARK (P) with the parking brake ﬁrmly set. If you are pulling a trailer, see Towing a Trailer on page 4-56. 2-32 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, your vehicle will be free to roll – even if your lever is in PARK (P) – if your transfer case is in NEUTRAL. So be sure the transfer case is in a drive gear – not NEUTRAL. See Four-Wheel Drive on page 2-27. 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 your parking brake is ﬁrmly set before you leave it. After you have moved 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 pressing the button on the console shift lever. 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 2-32. 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). Shifting Out of Park (P) Your vehicle has an automatic transmission shift lock control system. You have to fully apply the regular brakes ﬁrst and then press the shift lever button before you can shift from PARK (P) when the ignition is in RUN. See Automatic Transmission Operation on page 2-24. 2-33 Parking Over Things That Burn 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. {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. 2-34 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: 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: 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 2-34. 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 4-40. 2-35 {CAUTION: If your vehicle has four-wheel drive, it will be free to roll — even if the shift lever is in PARK (P) — if the transfer case is in NEUTRAL. So be sure the transfer case is in a drive gear — not in NEUTRAL. See Four-Wheel Drive on page 2-27. Follow the proper steps to be sure your vehicle will not move. See Shifting Into Park (P) on page 2-32. If you are pulling a trailer, see Towing a Trailer on page 4-56. Mirrors Manual Rearview Mirror Your vehicle may have this feature. While sitting in a comfortable driving position, adjust the rearview mirror so you can see clearly behind your vehicle. Grip the mirror in the center to move it up or down and side to side. The day/night control, located at the bottom of the mirror, adjusts the mirror to reduce headlamp glare from behind during evening or dark conditions. Turn the control clockwise for night use; return it to the center for daytime use. Manual Rearview Mirror with OnStar® Your vehicle may have a rearview mirror with the OnStar® system. Control buttons for the OnStar® system are at the bottom of the mirror. See your GM dealer for more information on the OnStar® system and how to subscribe to OnStar®. Also, see OnStar® System on page 2-49 for more information about the services OnStar® provides. 2-36 Mirror Operation While sitting in a comfortable driving position, adjust the rearview mirror so you can see clearly behind your vehicle. Grip it in the center to move it up or down and side to side. The day/night control, located at the bottom of the mirror, adjusts the mirror to reduce headlamp glare from behind during evening or dark conditions. Move the control to the right for night conditions. Return it to the center for daytime use. Manual Rearview Mirror with OnStar®, Compass, and Temperature Display Your vehicle may have a manual rearview mirror with OnStar®, compass and temperature display located in the upper right corner. Control buttons for the OnStar® system are at the bottom of the mirror. See your GM dealer for more information about the OnStar® system. Also, see OnStar® System on page 2-49 for more information about the services OnStar® provides. 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. Mirror Operation While sitting in a comfortable position, adjust the rearview mirror so you can see clearly behind your vehicle. Grip it in the center and move it up or down and side to side. The day/night control, located at the bottom of the mirror, adjusts the mirror to reduce headlamp glare from behind during evening or dark conditions. Temperature and Compass Display O(On/Off): Press this button to turn the compass and temperature display on or off. The compass display, can show a maximum of two characters. For example, NE is displayed for north-east. When the ignition and the compass/temperature feature are on, character boxes will appear for about two seconds. After two seconds, the mirror will display the direction the vehicle is facing and the outside temperature. To set the temperature in Fahrenheit or Celsius, do the following: 1. Press and hold the on/off button until either a ﬂashing F or C appears. 2. Press the button again to change the display to the desired unit of measurement. After about four seconds of inactivity, the new unit will be locked in and the compass/temperature display will return. 2-37 Compass Calibration When on, the compass automatically calibrates as the vehicle is driven. If, after two seconds, the display does not show a compass direction, 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. If the letter C should ever appear in the compass window, the compass may need calibration. Press and hold the on/off button for nine seconds to activate the compass calibration mode. CAL will be displayed in the compass window on the mirror. The mirror can be calibrated by driving the vehicle in circles at 5 mph (8 km/h) or less until the display shows 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 conditions, 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, the compass could give false readings. 2-38 To adjust for compass variance do the following: 1. Find the current location and variance zone number on the following zone map. 2. Press and hold the on/off button until a zone number appears in the display. 3. Once a zone number appears in the display, press the on/off button quickly until the correct zone number appears in the display. If C appears in the compass window, the compass may need calibration. See “Compass Calibration” explained previously. 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 2-49 for more information about the services OnStar® provides. 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. 2-39 To adjust for compass variance, do the following: 1. Find your current location and variance zone number on the map. Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display Your vehicle may have this feature. When on, an automatic dimming mirror automatically dims to the proper level to minimize glare from lights behind you after dark. The mirror also includes a dual display in the upper right corner of the mirror face. The compass reading and the outside temperature will both appear in the display at the same time. P(On/Off): This is the on/off button. 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. 2-40 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, you will need to calibrate the compass. For more information on calibration, see below. 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 consult your 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’s 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 you live 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, your compass could give false readings. 2-41 To adjust for compass variance do the following: 1. Find your current location and variance zone number on the following zone map. 2. Press and hold the on/off button until a Z and a zone number appear 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 below. 2-42 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. (cid:127) 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. If the vehicle has this feature, the mirror will display the word ON, or an airbag symbol in Canada, when the passenger airbag is enabled. For more information, see Passenger Sensing System on page 1-67. 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. 2-43 To adjust for compass variance, do the following: 1. Find your current location and variance zone number on the map. Automatic Dimming Rearview Mirror with Compass and Temperature Display If the vehicle is equipped with an automatic mirror, it will, when on, automatically dim to the proper level to minimize glare from lights behind you after dark. The mirror also includes a display in the upper right corner of the mirror face. The compass reading and the outside temperature will both appear in the display at the same time. The dual display can be turned on or off by brieﬂy pressing either the TEMP or the COMP button. 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. 2-44 Temperature Display The temperature can be displayed by pressing the TEMP button. Pressing the TEMP button once brieﬂy, will toggle the temperature reading on and off. To alternate the temperature reading between Fahrenheit and Celsius, press and hold the TEMP button for approximately four seconds until the display blinks F and C. Press and release the TEMP button to toggle between the Fahrenheit and Celsius readings. After approximately four seconds of inactivity, the display will stop blinking and display the last selection made. If an abnormal reading is displayed, for an extended period of time, please consult your dealer. Under certain circumstances, a delay in updating the temperature is normal. Automatic Dimming Mirror Operation The time period you need to press and hold the TEMP button to turn the automatic dimming feature on or off is approximately eight seconds. The indicator light to the left of the TEMP button will still turn on or off to show you when the automatic dimming feature is activated. Once the mirror is turned off, it will remain off until it is turned back on, or until the vehicle is restarted. Compass Operation Press the COMP button once brieﬂy to turn the compass on or off. When the ignition and the compass feature are on, the compass will show two character boxes for approximately two seconds. After two seconds, the mirror will display the compass heading. Compass Calibration The compass may need calibration if one of the following occurs: (cid:127) If CAL is displayed while driving in the vehicle. (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. (cid:127) The compass does not display the correct heading and the compass zone variance is set correctly. 2-45 To adjust for compass variance: 1. Find your current location and variance zone number on the following zone map. 2. Press and hold the COMP button for ﬁve seconds until a zone number appears in the display. In order to calibrate, CAL must be displayed in the mirror compass windows. If CAL is not displayed, push in the COMP button for approximately eight 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. 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 you live outside 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, your compass could give false readings. 3. Press the COMP button on the bottom of the mirror until the new zone number appears in the display. After you stop pressing the button, the display will show a compass direction within a few seconds. 2-46 Passenger Airbag Indicator The mirror may be equipped with a passenger airbag indicator on the mirror glass, just above the buttons. If the vehicle has this feature the mirror will display the word ON, or an airbag symbol in Canada, when the passenger airbag is enabled. For more information see Passenger Sensing System on page 1-67 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. Outside Manual Mirrors If the vehicle has the manual outside mirrors, adjust each outside mirror so that a little of the vehicle and the area behind it can be seen while sitting in a comfortable, driving position. Both mirrors can be manually folded inward by pulling them towards the vehicle. Push the mirrors away from the vehicle, to the normal position, before driving. Outside Power Mirrors Your vehicle may have this feature. The power mirror control is located on the driver’s door. Turn the knob counterclockwise or clockwise to adjust the driver’s or passenger’s mirror so that you can see a little of the side of your vehicle. After adjusting the position of the mirrors, turn the knob to the center position so that the mirrors cannot move. If the travel position in any direction of the mirror is reached, it will enter a ratcheting mode. This action is harmless. It is a warning that the mirror can go no further. To stop this action, back the mirror up by moving the knob in the opposite direction. The mirrors can be manually folded inward to prevent damage when going through an automatic car wash. To fold, push the mirror toward the vehicle. To return the mirror to its original position, push outward. Be sure to return both mirrors to their original unfolded position before driving. 2-47 Outside Curb View Assist Mirror If the vehicle has this feature, the passenger’s outside mirror will adjust to a preset tilt position while the vehicle is in REVERSE (R) gear. Curb view assist may be useful when you are parallel parking. The mirror will return to normal position when the vehicle is shifted out of REVERSE (R) gear. Automatic mirror movement in either direction will follow a short delay. You may be able to turn this feature on or off through the Driver Information Center (DIC). See DIC Vehicle Customization on page 3-60. Outside Convex Mirror {CAUTION: A convex mirror can make things (like other vehicles) look farther away than they really are. If you cut too sharply into the right or left lane, you could hit a vehicle. Check your inside mirror or glance over your shoulder before changing lanes. The passenger’s outside mirror is convex. A convex mirror’s surface is curved so more can be seen from the driver’s seat. Outside Heated Mirrors Your vehicle may have this feature. When you operate the rear window defogger, the defogger also warms the heated driver’s and passenger’s outside rearview mirrors to help clear them of ice, snow and condensation. 2-48 OnStar® System OnStar® uses several innovative technologies and live advisors to provide you with a wide range of safety, security, information, and convenience services. If your airbags deploy, the system is designed to make an automatic call to OnStar® Emergency where we can request emergency services be sent to your location. If you lock your keys in the car, call OnStar® at 1-888-4-ONSTAR and they can send a signal to unlock your doors. If you need roadside assistance, press the OnStar® button and they can contact Roadside Service for you. A complete OnStar® Owner’s Guide and the Terms and Conditions of the OnStar® Subscription Service Agreement are included in the vehicle’s OnStar® Subscriber Information packet located in your vehicle. For more information, visit www.onstar.com or www.onstar.ca, contact OnStar® at 1-888-4-ONSTAR (1-888-466-7827), or press the OnStar® button to speak with an OnStar® advisor 24 hours a day, 7 days a week. OnStar® Services For new vehicles equipped with OnStar®, the Safe & Sound Plan is included for one year from the date of purchase. You can extend this plan beyond the ﬁrst year, or upgrade to the Directions & Connections Plan to meet your needs. For more information, press the OnStar® button to speak with an advisor. Safe & Sound Plan (cid:127) Advanced Automatic Crash Notiﬁcation (cid:127) Automatic Notiﬁcation of Airbag Deployment (cid:127) Emergency Services (cid:127) Roadside Assistance (cid:127) Stolen Vehicle Tracking (cid:127) AccidentAssist (cid:127) Remote Door Unlock/Vehicle Alert (cid:127) OnStar® Vehicle Diagnostics (cid:127) OnStar® Hands-Free Calling (cid:127) OnStar® Virtual Advisor 2-49 Directions & Connections® Plan (cid:127) All Safe & Sound Plan Services (cid:127) Driving Directions (cid:127) RideAssist (cid:127) Information and Convenience Services OnStar® Hands-Free Calling OnStar® Hands-Free Calling allows OnStar® subscribers to make and receive calls using voice commands at the touch of a button. Hands-Free Calling is fully integrated into the vehicle, and may be used with Pre-Paid Packages or linked to a cell phone through OnStar® Shared Minutes Plan. To ﬁnd out more, refer to the OnStar® Owner’s Guide in the vehicle’s glove box, visit www.onstar.com or www.onstar.ca, or speak with an OnStar® advisor by pressing the OnStar® button or calling 1-888-4-ONSTAR (1-888-466-7827). OnStar® Virtual Advisor Your vehicle may have Virtual Advisor. It is a feature of OnStar® Hands-Free Calling that uses your minutes to access weather, local traffic reports, and stock quotes. By pressing the phone button and giving a few simple voice commands, you can browse through the various topics. Customize your information proﬁle at www.myonstar.com. See the OnStar® Owner’s Guide for more information. OnStar® Steering Wheel Controls Your vehicle may be equipped with a Talk/Mute button that can be used to interact with OnStar®. See Audio Steering Wheel Controls on page 3-139 for more information. When calling into voice-mail systems, or to dial directory numbers, press this button once, wait for the response, say the number(s) to be dialed, wait for the number(s) to be repeated and then say “dial”. See the OnStar® User’s Guide for more information. 2-50 Universal Home Remote System The Universal Home Remote System, a combined universal transmitter and receiver, provides a way to replace up to three hand-held transmitters used to activate devices such as gate operators, garage door openers, entry door locks, security systems, and home lighting. If your vehicle has the Universal Home Remote Transmitter, it complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful 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 and modiﬁcations to this system by other than an authorized service facility could void authorization to use this equipment. 2-51 Universal Home Remote System Operation Do not use the Universal Home Remote with any garage door opener that does not have the stop and reverse feature. This includes any garage door opener model manufactured before April 1, 1982. If you have a newer garage door opener with rolling codes, please be sure to follow Steps 6 through 8 to complete the programming of your Universal Home Remote Transmitter. Read the instructions completely before attempting to program the Universal Home Remote. Because of the steps involved, it may be helpful to have another person available to assist you in the programming steps. Keep the original hand-held transmitter for use in other vehicles as well as for future Universal Home Remote programming. It is also recommended that upon the sale of the vehicle, the programmed Universal Home Remote buttons should be erased for security purposes. See “Erasing Universal Home Remote Buttons” later in this section or, for assistance, see Customer Assistance Offices on page 7-4. Be sure that people and objects are clear of the garage door or gate operator you are programming. When programming a garage door, it is advised to park outside of the garage. It is recommended that a new battery be installed in your hand-held transmitter for quicker and more accurate transmission of the radio-frequency signal. 2-52 Programming Universal Home Remote Follow these steps to program up to three channels: 1. Press and hold down the two outside Universal Home Remote buttons, releasing only when the Universal Home Remote indicator light begins to ﬂash, after 20 seconds. Do not hold down the buttons for longer than 30 seconds and do not repeat this step to program a second and/or third hand-held transmitter to the remaining two Universal Home Remote buttons. 2. Position the end of your hand-held transmitter about 1 to 3 inches (3 to 8 cm) away from the Universal Home Remote buttons while keeping the indicator light in view. 3. Simultaneously press and hold both the desired Universal Home Remote button and the hand-held transmitter button. Do not release the buttons until Step 4 has been completed. Some entry gates and garage door openers may require you to substitute Step 3 with the procedure noted in “Gate Operator and Canadian Programming” later in this section.

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2006 GMC Envoy Owners Manual