2004 Chevrolet Silverado Owners Manual

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could damage the transfer case. To help avoid damaging your vehicle, always wait for the 4LO 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 4LO and 4HI ranges or from NEUTRAL with the engine running. If the 4HI, AUTO 4WD or 2HI switch is pressed when your vehicle is in gear and/or moving, the 4HI, AUTO 4WD or 2HI indicator light will ﬂash for 30 seconds but will not complete the shift unless your vehicle is moving less than 3 mph (4.8 km/h) and the transmission is in NEUTRAL (N). 2-39 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. 3. Start the vehicle or turn the ignition to RUN. 4. Connect the vehicle to the towing vehicle. 5. Put the transmission in NEUTRAL (N). 6. Shift the transfer case to 2HI. 7. Simultaneously press and hold the 2HI and 4LO buttons for 10 seconds. The red NEUTRAL light will come on when the transfer case shift to NEUTRAL is complete. 8. Shift the transmission to REVERSE (R) for one second, then shift the transmission to DRIVE (D) for one second. 9. Turn the ignition to OFF. 10. Place the transmission shift lever in PARK (P). 11. Release the parking brake prior to towing. Shifting Out of NEUTRAL To shift out of NEUTRAL: 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 (2HI, 4HI, AUTO 4WD or 4LO). 4. After the transfer case has shifted out of NEUTRAL the red light will go out. 5. Release the parking brake. 6. You may 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. 2-40 Electronic Transfer Case Use these switches to shift into and out of four-wheel drive. You can choose among three driving settings: If your four-wheel-drive vehicle has the electronic transfer case, the transfer case switches are located to the left of the instrument panel cluster. Recommended Transfer Case Settings Transfer Case Settings Driving Conditions 4LO 4HI 2HI YES Normal Severe Extreme YES YES Vehicle in Tow* YES *See RecreationalVehicleTowingonpage4-53 or TowingYourVehicleonpage4-53 for further information. h(2HI): This setting is for driving in most street and highway situations. Your front axle is not engaged in two-wheel drive. G (4HI): This setting engages your front axle to help drive your vehicle. Use 4HI when you need extra traction, such as on snowy or icy roads, or in most off-road situations. 2-41 g (4LO): This setting also engages your front axle to give you extra traction. You may never need 4LO. It sends the maximum power to all four wheels. You might choose 4LO if you were driving off-road in sand, mud or deep snow and climbing or descending steep hills. Indicator lights in the switches show you which setting you are in. The indicator lights will come on brieﬂy when you turn on the ignition and the last chosen setting will stay on. If the lights do not come on, you should take your vehicle in for service. An indicator light will ﬂash while shifting. It will remain illuminated when the shift is completed. If for some reason the transfer cannot make a requested shift, it will return to the last chosen setting. {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 ParkingBrakeon page2-44. 2-42 NEUTRAL: Shift the vehicle’s transfer case to NEUTRAL only when towing your vehicle. See RecreationalVehicleTowingonpage4-53 or Towing YourVehicleonpage4-53 for more information. Shifting from 2HI to 4HI Press and release the 4HI switch. This can be done at any speed, and the front axle will lock automatically with some delay. Shifting from 4HI to 2HI Press and release the 2HI switch. This can be done at any speed, and the front axle will unlock automatically with some delay. Shifting from 2HI or 4HI to 4LO To shift from 2HI or 4HI to 4LO, the vehicle must be stopped or moving less than 3 mph (4.8 km/h) with the transmission in NEUTRAL (N). The preferred method for shifting into 4LO is to have your vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and release the 4LO switch. You must wait for the 4LO indicator light to stop ﬂashing and remain illuminated before shifting your transmission into gear. Notice: Shifting the transmission into gear before the 4LO indicator light has stopped ﬂashing could damage the transfer case. To help avoid damaging your vehicle, always wait for the 4LO indicator light to stop ﬂashing before shifting the transmission into gear. If the 4LO switch is pressed when your vehicle is in gear and/or moving, the 4LO indicator light will ﬂash for 30 seconds and not complete the shift unless your vehicle is moving slower than 3 mph (4.8 km/h) and the transmission is in NEUTRAL (N). The transfer case will shift to 4HI while waiting to complete the shift. Shifting from 4LO to 4HI or 2HI To shift from 4LO to 4HI or 2HI, your vehicle must be stopped or moving less than 3 mph (4.8 km/h) with the transmission in NEUTRAL (N). The preferred method for shifting out of 4LO is to have your vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and release the 4HI switch. You must wait for the 4HI indicator light to stop ﬂashing and remain illuminated before shifting your transmission into gear. If the 4HI switch is pressed when your vehicle is in gear and/or moving, the 4HI indicator light will ﬂash for 30 seconds but will not complete the shift unless the vehicle is moving slower than 3 mph (4.8 km/h) and the transmission is in NEUTRAL (N). Shifting into NEUTRAL To shift 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 or turn the ignition to RUN. 3. Connect the vehicle to the towing vehicle. 4. Put the transmission in NEUTRAL (N). 5. Shift the transfer case to 2HI. 6. Simultaneously press and hold the 2HI and 4LO buttons for 10 seconds. The red NEUTRAL light will come on when the transfer case shift to NEUTRAL is complete. 7. Shift the transmission to REVERSE (R) for one second, then shift the transmission to DRIVE (D) for one second. 8. Turn the ignition to OFF. 9. Place the transmission shift lever in PARK (P). 10. Release the parking brake prior to towing. 2-43 Shifting Out of NEUTRAL To shift out of NEUTRAL: 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 (2HI, 4HI, or 4LO). 4. After the transfer case has shifted out of NEUTRAL the red light will go out. 5. Release the parking brake. 6. You may 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. All-Wheel Drive If your vehicle has the SS package, it may be equipped with all-wheel drive. With this feature, engine power is sent to all four wheels all the time. This is like four-wheel drive, but there is no separate lever or switch to engage or disengage the front axle. It is fully automatic, and adjusts itself as needed for road conditions. 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. 2-44 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 page4-71. 2-45 1. Hold the brake pedal down with your right foot and set the parking brake. 2. Move the shift lever into PARK (P) position like this: • Pull the shift lever toward you. 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 TowingaTraileronpage4-71. 2-46 • Move the lever 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). 2-47 Leaving Your Vehicle With the Engine Running (Automatic Transmission Only) {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 with a manual transfer case shift lever 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. Don’t 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 wasn’t fully locked into PARK (P). Torque Lock (Automatic Transmission) If you are parking on a hill and you don’t 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)† . 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). 2-48 Shifting Out of Park (P) Your vehicle has an automatic transmission shift lock control system which locks the shift lever in PARK 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 page2-25. 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 Your Vehicle {CAUTION: Shifting the transfer case to NEUTRAL can cause your vehicle to roll even if the manual transmission is in gear. Your or someone else could be seriously injured. Be sure to set the parking brake before placing the transfer case in NEUTRAL. See ‘‘Parking Brake’’ in the Index. Before you get out of your vehicle, move the shift lever into REVERSE (R), and ﬁrmly apply the parking brake. Once the shift lever has been placed into REVERSE (R) with the clutch pedal pressed in, you can turn the ignition key to LOCK, remove the key and release the clutch. If you are parking on a hill, or if you are pulling a trailer, see Towing a Trailer on page4-71. 2-49 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. 2-50 Engine Exhaust {CAUTION: Engine exhaust can kill. It contains the gas carbon monoxide (CO), which you can not see or smell. It can cause unconsciousness and death. You might have exhaust coming in if: • Your exhaust system sounds strange or different. • Your vehicle gets rusty underneath. • Your vehicle was damaged in a collision. • Your vehicle was damaged when driving over high points on the road or over road debris. CAUTION: (Continued) • Repairs were not done correctly. • Your vehicle or exhaust system had been modiﬁed improperly. If you ever suspect exhaust is coming into your vehicle: • Drive it only with all the windows down to blow out any CO; and • Have your vehicle ﬁxed immediately. CAUTION: (Continued) 2-51 {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). Running Your Engine While You Are 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 EngineExhaustonpage2-51. 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 WinterDrivingonpage4-46. 2-52 {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 page2-46. If you are pulling a trailer, see TowingaTraileron page4-71. 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®, 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. 2-53 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. 2-54 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. 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 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 below. 2-55 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 and Temperature Display If your 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. Compass Calibration The compass may need calibration if one of the following occurs: • 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 Air Bag Indicator Your vehicle may be equipped with a passenger air bag indicator, on the mirror glass, just above the buttons. If your vehicle has this feature, the mirror will display the word ON, or an air bag symbol in Canada, when the passenger air bag is enabled. For more information, see Passenger Sensing System on page1-80. 2-56 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: • If CAL is displayed while driving in the vehicle. • 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 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 ﬁve mph (8 km/h) or less until the display reads a direction. 2-57 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. 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. 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. 2-58 Passenger Air Bag Indicator Your mirror may be equipped with a passenger air bag indicator on the mirror glass, just above the buttons. If you have this feature the mirror will display the word ON, or an airbag symbol in Canada, when the passenger air bag is enabled. For more information see Passenger Sensing System on page1-80. 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 Adjust your outside mirrors so you can just see the side of your vehicle and have a clear view of objects behind you. The mirrors can be folded in to enter narrow areas. The use of hood-mounted air deﬂectors and add-on convex mirror attachments may adversely affect mirror performance. Outside Camper-Type Mirrors If your vehicle is equipped with camper-type mirrors, they can be adjusted so you can have a clear view of the objects behind you. Pull out the mirror head to extend it for better visibility when towing a trailer. 2-59 Outside West Coast-Type Mirrors If your vehicle is equipped with the west coast-type mirrors, they can be adjusted so you can have a clear view of objects behind you. A. Outer Mirror Frame B. Mirror Head C. Nut Outside Power Mirrors If your vehicle is equipped with power outside mirrors, the controls are located on the driver’s door armrest. Move the selector switch located above the control pad to the left or right to choose the mirror you want to adjust, then press the dots located on the four-way control pad to adjust the mirror. The mirrors also include a memory function which works in conjunction with the memory seats. See “Memory Seats” in the Index for more information. The mirrors can be adjusted by turning the mirror head (B) and moving the outer mirror frame (A) backward or forward. You can also loosen the nut (C) on the top and bottom of the outer mirror frame to tilt the mirror head. 2-60 Outside Power Camper-Type Mirror If your vehicle is equipped with outside power camper-type mirrors, they can be adjusted so you can have a clear view of objects behind you. To extend the mirrors move the selector switch, located above the mirror control, to the middle position. The mirror control will illuminate. Press the left side of the mirror control to slide the mirror heads away from the body of the vehicle. Press the right side of the mirror control to slide the mirror heads toward the body of the vehicle. Outside Power Foldaway Mirrors If your vehicle is equipped with this feature, the controls are located on the driver’s door armrest. The mirrors may also include a memory function which works in conjunction with the memory seats. See “Memory Seats” under MemorySeatonpage2-67 for more information. To fold or unfold the mirrors, move the selector switch, located about the mirror control, to the middle position. The mirror control will illuminate. Press the right or left side of the mirror control to fold or unfold the mirrors. You may notice the mirror glass adjust as the mirrors fold in; this is normal. The mirror glass will reposition itself once the mirrors are unfolded. If the mirrors are accidentally folded/unfolded manually, they may shake or ﬂutter at normal driving speeds and may not stay in the unfolded position. If this happens, you will need to reset the mirrors. See “Resetting the Power Foldaway Mirrors” next. Resetting the Power Foldaway Mirrors You will need to reset the power foldaway mirrors if the following occurs: • They are accidentally manually folded/unfolded. • The mirrors will not stay in the unfolded position. • The mirrors shake and ﬂutter at normal driving speeds. Move the upper selector switch to the left or right to choose the mirror you want to adjust; then press the dots located on the four-way control pad to adjust the mirror. To reset the power foldaway mirrors, fold and unfold then at least three times using the mirror controls. This will reset them to their normal detent position. 2-61 Outside Automatic Dimming Mirror If your vehicle is equipped with this feature, the driver’s outside mirror will adjust for the glare of headlamps behind you. This feature is controlled by the on and off settings found on the electrochromic mirror. See AutomaticDimmingRearviewMirrorwith CompassandTemperatureDisplayonpage2-56. Outside Curb View Assist Mirrors If your vehicle has the optional memory package you may have this feature. The vehicle’s mirrors are capable of performing the curb view assist mirror function. This feature will cause the passenger’s and/or driver’s mirror to tilt to a preselected position when the vehicle is in REVERSE (R). This feature may be useful in allowing you to view the curb when you are parallel parking. When the vehicle is shifted out of REVERSE (R) and a short delay has occurred, the passenger’s and/or driver’s mirror will return to its original position. To change the preselected tilt position, adjust the mirrors to the desired position while the vehicle is in REVERSE (R). When the vehicle is shifted out of REVERSE (R), this new position is saved in memory as the tilt position. You may be able to enable/disable this feature through the Driver Information Center. See DriverInformation Center (DIC) on page3-54. 2-62 Outside Convex Mirror Your passenger’s side mirror is convex. A convex mirror’s surface is curved so you can see more from the driver’s seat. {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 lane, you could hit a vehicle on your right. Check your inside mirror or glance over your shoulder before changing lanes. Outside Heated Mirrors The outside rearview mirrors with this option have a defrost mode. To turn on the defrost feature, press the rear window defogger button. See “Rear Window Defogger” under DualAutomaticClimateControlSystemon page3-25 for further information. OnStar® System OnStar® uses global positioning system (GPS) satellite technology, wireless communications, and state of the art call centers to provide you with a wide range of safety, security, information and convenience services. A complete OnStar® user’s guide and the terms and conditions of the OnStar® Subscription Service Agreement are included in your OnStar®-equipped vehicle’s glove box literature. For more information, visit www.onstar.com, contact OnStar® at 1- 888- 4- ONSTAR (1- 888- 466- 7827), or press the blue OnStar® button to speak to an OnStar® advisor 24 hours a day, 7 days a week. A completed Subscription Service Agreement is required prior to delivery of OnStar® services and prepaid calling minutes are also required for OnStar® Personal Calling and OnStar® Virtual Advisor use. Terms and conditions of the Subscription Service Agreement can be found at www.onstar.com. OnStar® Services One of the following plans is normally included for a speciﬁc duration with each vehicle equipped with OnStar®. You can upgrade or extend your OnStar® service plan to meet your needs. Safe and Sound Plan • Automatic Notiﬁcation of Air Bag Deployment • Emergency Services • Roadside Assistance • Stolen Vehicle Assistance • AccidentAssist • Remote Door Unlock • Remote Diagnostics • Online Concierge Directions and Connections Plan • All Safe and Sound Plan services • Route Support • RideAssist • Information and Convenience Services 2-63 Luxury and Leisure Plan • All Directions and Connections Plan services • Personal Concierge OnStar® Personal Calling With OnStar® Personal Calling, you have a safer way to stay connected while driving. It’s a hands-free wireless phone that’s integrated into your vehicle. You can place calls nationwide using voice-activated dialing with no contracts and no additional roaming charges. To ﬁnd out more about OnStar® Personal Calling, refer to the OnStar® owner’s guide in your vehicle’s glove box, or call OnStar® at 1- 888- 4- ONSTAR (1- 888- 466- 7827). OnStar® Virtual Advisor With OnStar® Virtual Advisor you can listen to your favorite news, entertainment and information topics, such as traffic and weather reports, stock quotes and sports scores. You listen to your e-mail through your vehicle’s speakers, and reply with your hands on the wheel and your eyes on the road. OnStar® Steering Wheel Controls g: If your vehicle is equipped with the steering wheel control buttons you can use them to interact with the OnStar® system. See the OnStar® manual provided with your vehicle for more information. Storage Areas Your vehicle includes a number of storage compartments for storage of often-used items. Some vehicles have storage areas in the instrument panel. Some models have a storage pocket on each of the front doors. Some vehicles have a storage area behind the seat. 2-64 Your vehicle may have a compact disc holder in the console. Your console may have a cupholder that swings down for the rear seat passengers to use. The front cupholder pulls out and swivels 180° to provide clearance between tall beverage containers and the manual transmission shift lever (if equipped). Tonneau Cover If your vehicle is equipped with a tonneau cover, follow the directions below to remove the cover. 1. To remove, unsnap the cover. Roll it up and stow it using the buckle and the strap located at the front of the box. Glove Box To open your glove box, pull the lever upward and pull the door downward. Cupholder(s) Your vehicle may have cupholders located in the front console, or in the fold-down armrest. Front Storage Area Your vehicle may have a center armrest storage compartment in the front bench seat. To open it, fold down the armrest and press the latch handle located at the front of the armrest. Then, let the lid pop up and swing open. The storage compartment may have a cassette/compact disc holder. Center Console Storage Area Your vehicle may be equipped with a console compartment between the bucket seats. To open it, press the button and swing the console lid open. 2-65 3. Remove the three bows by gently pushing them against the spring-loaded end. The three bows are labeled front, center, rear to remind you of the order in which to reinstall them. A. Back rail B. Side rail C. Rear bow D. Center bow E. Front bow F. Front rail 2. Remove the tonneau cover from the notch in the front rail on the driver’s side of the vehicle. 2-66 4. To add cargo to the box, remove all bows and the back rail and stow them safely. Vehicle Personalization Memory Seat If your vehicle has this feature, then the controls for the memory function are located on the driver’s door. To clean the tonneau cover, use mild soap and water. If necessary, use a soft bristle brush to remove dirt trapped in the grain of the material. These buttons are used to program and recall memory settings for the driver’s seat, both the driver’s and passenger’s outside mirror, and the radio station presets. The settings for these features can be personalized for both driver 1 and driver 2. Driver 1 or driver 2 corresponds to the memory buttons labeled 1 and 2 on the driver’s door. 2-67 To store your memory seat, mirrors and radio presets, do the following: 1. Adjust the driver’s seat, including the seatback recliner, lumbar, and side wing area, both of the outside mirrors, and the radio station presets to your preference. 2. Press and hold the 1 or 2 button of the memory control for three seconds, to correspond to driver 1 or 2. A double chime will sound to let you know that the position has been stored. To repeat the procedure for a second driver, follow the preceding steps, but press the other numbered memory control button. Each time button 1 or 2 is pressed and released while the vehicle is in PARK (P), a single chime will sound and the memory position will be recalled. If you use the unlock button on the remote keyless entry transmitter to enter your vehicle, the preset driver’s seat, mirror positions and the radio station presets will be recalled if programmed to do so through the Driver Information Center (DIC). See DriverInformation Center(DIC)onpage3-54. The numbers on the back of the transmitters, 1 or 2, correspond to the numbers on the memory controls. The seat and mirror positions can also be recalled when placing the key in the ignition if programmed to do so through the Driver Information Center (DIC). 2-68 To stop recall movement of the memory seat feature at any time, press one of the memory buttons or power seat controls. Easy Exit Seat The controls for this memory function are located on the driver’s door. B This button is used to program and recall the desired driver’s seat position when exiting/entering the vehicle. The seat position can be personalized for both driver 1 and driver 2. To store the seat exit position for driver 1 or 2, do the following: 1. Select the desired driver number by pressing and releasing the 1 or 2 button. The seat will move to the stored memory position. 2. Adjust the seat to the desired exit position. 3. Press and hold the exit button of the memory control for three seconds. A double chime will sound to let you know that the position has been stored for the identiﬁed driver, 1 or 2. To use the seat exit position, do one of the following: • Press the exit button on the memory control. • If this feature is has been enabled in the DIC, removing the key from the ignition will cause the seat to move to the exit position. Section 3 Instrument Panel Instrument Panel Overview ...............................3-4 Hazard Warning Flashers ................................3-6 Other Warning Devices ...................................3-6 Horn .............................................................3-6 Tilt Wheel .....................................................3-7 Turn Signal/Multifunction Lever .........................3-7 Exterior Lamps .............................................3-14 Interior Lamps ..............................................3-18 Accessory Power Outlets ...............................3-19 Ashtrays and Cigarette Lighter ........................3-20 Climate Controls ............................................3-20 Climate Control System .................................3-20 Dual Climate Control System ..........................3-22 Dual Automatic Climate Control System ...........3-25 Warning Lights, Gages and Indicators .............3-33 Warning Lights, Gages, and Indicators .............3-33 Instrument Panel Cluster ................................3-34 Speedometer and Odometer ...........................3-35 Tachometer .................................................3-35 Safety Belt Reminder Light .............................3-36 Air Bag Readiness Light ................................3-36 Air Bag Off Light ..........................................3-37 Passenger Air Bag Status Indicator .................3-40 Battery Warning Light ....................................3-42 Voltmeter Gage ............................................3-42 Up-Shift Light ...............................................3-43 Brake System Warning Light ..........................3-44 Anti-Lock Brake System Warning Light .............3-45 Traction Off Light ..........................................3-46 Engine Coolant Temperature Gage ..................3-47 Transmission Temperature Gage .....................3-47 Malfunction Indicator Lamp .............................3-49 Oil Pressure Gage ........................................3-51 Cruise Control Light ......................................3-52 Four-Wheel-Drive Light ..................................3-52 Tow/Haul Mode Light ....................................3-53 Overdrive Disable .........................................3-53 Fuel Gage ...................................................3-53 Low Fuel Warning Light .................................3-54 Driver Information Center (DIC) .......................3-54 DIC Operation and Displays ...........................3-55 DIC Warnings and Messages .........................3-65 Audio System(s) .............................................3-72 Setting the Time for Radios without Radio Data Systems (RDS) ........................3-73 Setting the Time for Radios with Radio Data Systems (RDS) ..................................3-73 AM-FM Radio ...............................................3-74 Radio with CD ..............................................3-76 Radio with Cassette and CD ..........................3-87 Radio with Six-Disc CD ................................3-101 Rear Seat Entertainment System ...................3-114 3-1 Section 3 Instrument Panel Rear Seat Audio (RSA) ................................3-125 Theft-Deterrent Feature ................................3-126 Audio Steering Wheel Controls ......................3-127 DVD Distortion ............................................3-127 Radio Reception .........................................3-128 Care of Your Cassette Tape Player ...............3-128 Care of Your CDs and DVDs ........................3-129 Care of Your CD and DVD Player .................3-130 Cleaning the Video Screen ...........................3-130 Fixed Mast Antenna ....................................3-130 XM™ Satellite Radio Antenna System (48 Contiguous US States) ........................3-130 Chime Level Adjustment ...............................3-130 3-2 - NOTES 3-3 Instrument Panel Overview 3-4 The main components of your instrument panel are the following: A. Dome Lamp Button. See “Dome Lamps” under Interior Lamps on page3-18. B. Exterior Lamp Controls. See ExteriorLampson page3-14. C. Air Outlets. See “Climate Controls” in Section 3. D. Automatic Transfer Case/Electronic Transfer Case/Traction Assist System (TAS). See Four-Wheel Drive on page2-33. E. Multifunction Lever. See TurnSignal/Multifunction F. Lever on page3-7. Instrument Panel Cluster. See InstrumentPanel Cluster on page3-34. G. Gearshift Lever (Automatic Transmission). See AutomaticTransmissionOperationonpage2-25. H. Tow/Haul Selector and Overdrive Disable (Allison Transmission® Only) Button (If Equipped). See AutomaticTransmissionOperationonpage2-25. I. Audio System. See AudioSystem(s)onpage3-72. J. Comfort Control System. See ClimateControl K. System on page3-20. Instrument Panel Fuse Block. FusesandCircuit Breakers on page5-122. L. Hood Release. See HoodReleaseonpage5-10. M. Steering Wheel Control Buttons (If Equipped). See DriverInformationCenter(DIC)onpage3-54. N. Center Instrument Panel Utility Block. See Fuses and Circuit Breakers on page5-122. O. Parking Brake Release. See ParkingBrakeon page2-44. P. Tilt Wheel Lever. See TiltWheelonpage3-7. Q. Lighter and Accessory Power Outlet. See Accessory PowerOutletsonpage3-19, and Ashtraysand Cigarette Lighter on page3-20. R. Storage Area. See “Storage Areas” in Section 2. S. Ashtray. See AshtraysandCigaretteLighter on page3-20. T. Manual Selectable Ride Control (If Equipped). See Manual Selectable Ride on page4-11. U. 4WS Switch (If Equipped). See QUADRASTEER™ on page4-14. V. Passenger Air Bag Off Switch. See AirBagOff Switch on page1-75. W. Glove Box. See Glove Box on page2-65. 3-5 Hazard Warning Flashers The hazard warning ﬂasher button is located at the top of the steering column. Your hazard warning ﬂashers work no matter what position your key is in, and even if the key isn’t in. Press the button to make the front and rear turn signal lamps ﬂash on and off. Press the button again to turn the ﬂashers off. When the hazard warning ﬂashers are on, your turn signals won’t work. Other Warning Devices If you carry reﬂective triangles, you can use them to warn others. Set one up at the side of the road about 300 feet (100 m) behind your vehicle. Horn To sound the horn, press the center pad on the steering wheel. Your hazard warning ﬂashers let you warn others. They also let police know you have a problem. Your front and rear turn signal lamps will ﬂash on and off. 3-6 Turn Signal/Multifunction Lever Tilt Wheel If your vehicle is equipped with a tilt wheel, it will allow you to adjust the steering wheel before you drive. You can raise it to the highest level to give your legs more room when you exit and enter your vehicle. The tilt steering wheel lever is located on the lower left side of the column. To tilt the wheel, hold the steering wheel and pull the lever. Then move the steering wheel to a comfortable position and release the lever to lock the wheel in place. The lever on the left side of the steering column includes the following: • Turn and Lane Change Signals • Headlamp High/Low-Beam Changer • Flash-to-Pass • Windshield Wipers • Windshield Washer • Cruise Control For information on the exterior lamps, see Exterior Lamps on page3-14. 3-7 Turn and Lane Change Signals The turn signal has two upward (for right) and two downward (for left) positions. These positions allow you to signal a turn or a lane change. To signal a turn, move the lever all the way up or down. When the turn is ﬁnished, the lever will return automatically. To signal a lane change, just raise or lower the lever until the arrow starts to ﬂash. Hold it there until you complete your lane change. The lever will return by itself when you release it. An arrow on the instrument panel cluster will ﬂash in the direction of the turn or lane change. As you signal a turn or a lane change, if the arrows ﬂash more quickly than normal, a signal bulb may be burned out and other drivers won’t see your turn signal. If a bulb is burned out, replace it to help avoid an accident. If the arrows don’t go on at all when you signal a turn, check for burned-out bulbs and a blown fuse. See FusesandCircuitBreakersonpage5-122. Turn Signal On Chime If your turn signal is left on for more than 3/4 of a mile (1.2 km), a chime will sound at each ﬂash of the turn signal and the message TURN SIGNAL ON will also appear in the DIC. To turn the chime and message off, move the turn signal lever to the off position. 3-8 Headlamp High/Low-Beam Changer 53(Headlamp High/Low Beam Changer): To change the headlamps from low to high beam, push the lever toward the instrument panel. To return to low-beam headlamps, pull the multifunction lever toward you. Then release it. When the high beams are on, this indicator light on the instrument panel cluster will also be on. Flash-to-Pass This feature lets you use your high-beam headlamps to signal a driver in front of you that you want to pass. It works even if your headlamps are in the automatic position. To use it, pull the turn signal lever toward you, then release it. If your headlamps are in the automatic position or on low beam, your high-beam headlamps will turn on. They’ll stay on as long as you hold the lever toward you. The high-beam indicator on the instrument panel cluster will come on. Release the lever to return to normal operation. 3-9 Windshield Washer L(Washer Fluid): There is a paddle marked with the windshield washer symbol at the top of the multifunction lever. To spray washer ﬂuid on the windshield, push the paddle. The wipers will clear the window and then either stop or return to your preset speed. {CAUTION: In freezing weather, do not use your washer until the windshield is warmed. Otherwise the washer ﬂuid can form ice on the windshield, blocking your vision. Windshield Wipers You control the windshield wipers by turning the band with the wiper symbol on it. 8(Mist): For a single wiping cycle, turn the band to mist. Hold it there until the wipers start. Then let go. The wipers will stop after one wipe. If you want more wipes, hold the band on mist longer. N(Delay): You can set the wiper speed for a long or short delay between wipes. This can be very useful in light rain or snow. Turn the band to choose the delay time. The closer to the top of the lever, the shorter the delay. 6 (Low Speed): For steady wiping at low speed, turn the band away from you to the ﬁrst solid band past the delay settings. For high-speed wiping, turn the band further, to the second solid band past the delay settings. To stop the wipers, move the band to off. 1 (High Speed): For high-speed wiping, turn the band further, to the second solid band past the delay settings. 9(Off): To stop the wipers, move the band to off. Be sure to clear ice and snow from the wiper blades before using them. If they’re frozen to the windshield, carefully loosen or thaw them. If your blades do become worn or damaged, get new blades or blade inserts. 3-10 {CAUTION: Cruise control can be dangerous where you can not drive safely at a steady speed. So, do not use your cruise control on winding roads or in heavy traffic. Cruise control can be dangerous on slippery roads. On such roads, fast changes in tire traction can cause needless wheel spinning, and you could lose control. Do not use cruise control on slippery roads. Cruise Control 9(Off): This position turns the system off. R(On): This position activates the system. + (Resume/Accelerate): Push the lever to this symbol to make the vehicle accelerate or resume to a previously set speed. T(Set): Press this button to set the speed. With cruise control, you can maintain a speed of about 25 mph (40 km/h) or more without keeping your foot on the accelerator. This can really help on long trips. Cruise control does not work at speeds below about 25 mph (40 km/h). If you apply your brakes, the cruise control will shut off. 3-11 Setting Cruise Control {CAUTION: If you leave your cruise control on when you are not using cruise, you might hit a button and go into cruise when you do not want to. You could be startled and even lose control. Keep the cruise control switch off until you want to use cruise control. 1. Move the cruise control switch to on. 2. Get up to the speed you want. 3. Press in the set button at the end of the lever and release it. 4. Take your foot off the accelerator pedal. The cruise symbol on the instrument panel will illuminate when the cruise control is engaged. Resuming a Set Speed Suppose you set your cruise control at a desired speed and then you apply the brake. This, of course, disengages the cruise control. But you don’t need to reset it. Once you’re going about 25 mph (40 km/h) or more, you can move the cruise control switch brieﬂy from on to resume/accelerate. You’ll go right back up to your chosen speed and stay there. If you hold the switch at resume/accelerate the vehicle will keep going faster until you release the switch or apply the brake. So unless you want to go faster, don’t hold the switch at resume/accelerate. 3-12 Increasing Speed While Using Cruise Control There are two ways to go to a higher speed: • Use the accelerator pedal to get to the higher speed. Press the set button at the end of the lever, then release the button and the accelerator pedal. You’ll now cruise at the higher speed. If the accelerator pedal is held longer than 60 seconds, cruise control will turn off. • Move the cruise switch from on to resume/accelerate. Hold it there until you get up to the speed you want, and then release the switch. To increase your speed in very small amounts, move the switch brieﬂy to resume/accelerate. Each time you do this, your vehicle will go about 1 mph (1.6 km/h) faster. Reducing Speed While Using Cruise Control • Press in the button at the end of the lever until you reach the lower speed you want, then release it. • To slow down in very small amounts, brieﬂy press the set button. Each time you do this, you’ll go about 1 mph (1.6 km/h) slower. Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase your speed. When you take your foot off the pedal, your vehicle will slow down to the cruise control speed you set earlier. Using Cruise Control on Hills How well your cruise control will work on hills depends upon your speed, load and the steepness of the hills. When going up steep hills, you may want to step on the accelerator pedal to maintain your speed. When going downhill, you may have to brake or shift to a lower gear to keep your speed down. Of course, applying the brake takes you out of cruise control. Many drivers ﬁnd this to be too much trouble and don’t use cruise control on steep hills. Ending Cruise Control There are four ways to turn off the cruise control: • Step lightly on the brake pedal, • move the cruise control switch to off, or • shift the transmission to NEUTRAL (N). • If your vehicle has the Stabilitrak® feature, cruise control will turn off if road conditions cause Stabilitrak® to activate. • If the accelerator pedal is held for 60 seconds or longer, cruise control will turn off. 3-13 Erasing Speed Memory When you turn off the cruise control or the ignition, your cruise control set speed memory is erased. Exterior Lamps The switch on the driver’s side of your instrument panel operates the exterior lamps. Turn the control clockwise to operate the lamps. 3-14 The exterior lamp switch has four positions: 9(OFF): Turning the switch to this position turns off the Daytime Running Lamps (DRL) and the automatic headlamps. AUTO (Automatic): Turning the control to this position puts the system into automatic headlamp mode. ; (Parking Lamps): Turning the control to this position turns on the parking lamps, together with the following: • Sidemarker Lamps • Taillamps • License Plate Lamps • Instrument Panel Lights • Roof Marker Lamps, if equipped 2(Headlamps): Turning the switch to this position turns on the headlamps, together with the previously listed lamps and lights. You can switch your headlamps from high to low-beam by pushing the turn signal/high-beam lever towards the instrument panel. A circuit breaker protects your headlamps. If you have an electrical overload, your headlamps will ﬂicker on and off. Have your headlamp wiring checked right away if this happens. Automatic Headlamp System When it is dark enough outside, your automatic headlamp system will turn on your headlamps at the normal brightness along with other lamps such as the taillamps, sidemarker, parking lamps and the instrument panel lights. The radio lights will also be dim. Your vehicle is equipped with a light sensor located on the top of the instrument panel in the defroster grille. Be sure it is not covered, or the system will be on whenever the ignition is on. The system may also turn on your headlamps when driving through a parking garage, heavy overcast weather or a tunnel. This is normal. There is a delay in the transition between the daytime and nighttime operation of the Daytime Running Lamps (DRL) and the automatic headlamp systems so that driving under bridges or bright overhead street lights does not affect the system. The DRL and automatic headlamp system will only be affected when the light sensor sees a change in lighting lasting longer than the delay. If you start your vehicle in a dark garage, the automatic headlamp system will come on immediately. Once you leave the garage, it will take approximately one minute for the automatic headlamp system to change to DRL if it is bright enough outside. During that delay, your instrument panel cluster may not be as bright as usual. Make sure your instrument panel brightness control is in the full bright position. See “Instrument Panel Brightness Control” under Interior Lamps on page3-18. To idle your vehicle with the automatic headlamp system off, turn the control to the off position. You may be able to turn off your Automatic Headlamp System. See “Daytime Running Lamps (DRL)” later in this section for more information. As with any vehicle, you should turn on the regular headlamp system when you need them. Lamps On Reminder A reminder chime will sound when your headlamps or parking lamps are manually turned on and your ignition is off, in LOCK, ACCESSORY, or your door is open. To disable the chime, turn the light off then back on. Daytime Running Lamps Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. DRL can be helpful in many different driving conditions, but they can be especially helpful in the short periods after dawn and before sunset. Fully functional daytime running lamps are required on all vehicles ﬁrst sold in Canada. 3-15 The DRL system will come on when the following conditions are met: • The ignition is on • The exterior lamps control is in AUTO • The automatic transmission is not in PARK (P) • The light sensor determines it is daytime When the DRL system is on, only your DRL lamps will be on. The taillamps, sidemarker and other lamps won’t be on. The instrument panel won’t be lit up either. When it begins to get dark, the automatic headlamp system will switch from DRL to the headlamps or the last chosen headlamp setting that was used. When you turn the headlamp switch off, the headlamps will go off, and your DRL lamps will illuminate, provided it is not dark outside. To idle an automatic transmission equipped vehicle with the DRL off, set the parking brake. Shifting the transmission into PARK (P) will also allow you to idle the vehicle with the DRL off. The DRL will stay off until you release the parking brake or shift the transmission out of PARK (P). To idle a manual transmission equipped vehicle with the DRL off, set the parking brake. The DRL will stay off until you release the parking brake. 3-16 Fog Lamps If your vehicle has fog lamps, use them for better vision in foggy or misty conditions. The fog lamp button is located on the left side of your instrument panel. Your parking lamps and/or low-beam headlamps must be on for your fog lamps to work. Press the button to turn the fog lamps on. Press the button again to turn them off. An indicator light will glow in the button when the fog lamps are on. Remember, fog lamps alone will not give off as much light as your headlamps. Never use the fog lamps in the dark without turning on the headlamps. The fog lamps will go off whenever the high-beam headlamps come on. When the high beams go off, the fog lamps will come on again. Cargo Lamp The fog lamps will be cancelled after the ignition is turned off. If you still want to use the fog lamps after you restart the vehicle, you will need to press the fog lamp button again Auxiliary Roof Mounted Lamp Switch If your vehicle has this feature, this switch includes wiring provisions for a dealer or a qualiﬁed service center to install an auxiliary roof lamp. The cargo lamp button is located on the left side of the instrument panel. This switch is located on the center of the instrument panel near the comfort controls. Press the button to turn the cargo lamp on. Press the button again to turn it off. An indicator light on the instrument panel will illuminate when the cargo lamp is turned on and the ignition key is turned to RUN. When the switch wiring is connected to an auxiliary roof mounted lamp, pressing the switch will activate the lamp and illuminate an indicator light near the switch. Pressing the switch again will turn off the roof mounted lamp. If your vehicle has this switch, your vehicle may have the snow plow prep package. For further information see “Snow Plow Prep Package† . 3-17 Interior Lamps Instrument Panel Brightness Control D: This feature controls the brightness of the instrument panel lights. The thumbwheel for this feature is located next to the headlamp control. Turn the thumbwheel up, or down, to adjust the instrument panel lights. Turn the thumbwheel up to return the radio display to full brightness when the headlamps or parking lamps are on. To turn on the dome lamps, turn the thumbwheel all the way up. Exit Lighting With exit lighting, the interior lamps will come on when you remove the key from the ignition. The lights will not come on if the dome override button is pressed in. Entry Lighting Your vehicle is equipped with an illuminated entry feature. When a door is opened, the dome lamps will come on if the dome override button is in the out position. If the dome override button is pressed in, the lamps will not come on. 3-18 Front Reading Lamps If equipped, the reading lamps are located on the overhead console. To turn the reading lamps on or off, press the button located next to each lamp. The lamps can be adjusted to point in the direction you want them to go. Dome Lamps The dome lamps will come on when you open a door. You can also turn the dome lamps on by turning the thumbwheel, located next to the exterior lamps control, all the way up. In this position, the dome lamps will remain on whether the doors are opened or closed. E: You can use the dome override button, located below the exterior lamps control, to set the dome lamps to come on automatically, or remain off, when the doors are opened. To turn the lamps off, press the button to the in position. With the button in this position, the dome lamps will remain off when the doors are open. To return the lamps to automatic operation, press the button again and return it to the out position. Battery Run-Down Protection This feature shuts off the dome, and reading lamps. if they are left on for more than 10 minutes when the ignition is off. The cargo lamp will shut off after 20 minutes. This will keep your battery from running down. Accessory Power Outlets With accessory power outlets you can plug in auxiliary electrical equipment such as a cellular telephone or CB radio. Your vehicle may have two accessory power outlets, or may have one accessory power outlet located near the cigarette lighter, if equipped. The cigarette lighter is designed to ﬁt only in the receptacle to the right of the accessory power outlet. To use the outlet, lift the cover. When not using it, always close the cover. Certain power accessory plugs may not be compatible to the accessory power outlet and could result in blown vehicle or adapter fuses. If you experience a problem, see your dealer for additional information on the accessory power plugs. Notice: Adding any electrical equipment to your vehicle may damage it or keep other components from working as they should. The repairs would not be covered by your warranty. Check with your dealer before adding electrical equipment. When adding electrical equipment, be sure to follow the proper installation instructions included with the equipment. Notice: Improper use of the power outlet can cause damage not covered by your warranty. Do not hang any type of accessory or accessory bracket from the plug because the power outlets are designed for accessory power plugs only. 3-19 Climate Controls Climate Control System Fan Knob The fan knob on the left side of the control panel adjusts the fan speed. To increase airﬂow, turn the knob clockwise. To decrease airﬂow, turn it counterclockwise. To turn the fan off, turn the knob to the off position. Ashtrays and Cigarette Lighter Your vehicle may be equipped with a front ashtray located near the center of the instrument panel. Pull on the door to open it. Notice: If you put papers or other ﬂammable items in the ashtray, hot cigarettes or other smoking materials could ignite them and possibly damage your vehicle. Never put ﬂammable items in the ashtray. To remove the front ashtray, pull the ashtray toward you. To replace the ashtray, place the ashtray on the slides at the side of its location in the instrument panel. To use the cigarette lighter, push it in all the way, and let go. When it’s ready, it will pop back out by itself. Notice: Holding a cigarette lighter in while it is heating will not allow the lighter to back away from the heating element when it is hot. Damage from overheating may occur to the lighter or heating element, or a fuse could be blown. Do not hold a cigarette lighter in while it is heating. 3-20 9 (Off): If the fan is off, outside air will still enter the vehicle, and will be directed based on the position of the mode knob. The temperature can also be adjusted using the temperature knob. Temperature Knob The middle knob on the control panel lets you select the temperature of the air ﬂowing into the passenger area. Turn the knob clockwise toward the red area for warmer air. Turn the knob counterclockwise toward the blue area for cooler air. Mode Knob The right knob on the control panel allows you to choose the direction of air delivery. H (Vent): This setting directs the air through the instrument panel outlets. ) (Bi-Level): Air is delivered through the ﬂoor outlets as well as the instrument panel outlets. The ﬂow can be divided between vent and ﬂoor outlets depending upon where the knob is placed between the settings. 6 (Floor): This setting directs most of the air through the ﬂoor outlets, and the rest of the air is divided between the windshield defroster outlets and the side window defroster outlets. W (Defog): Airﬂow is delivered through the ﬂoor outlets, the windshield defroster outlets and the side window defroster outlets. The air ﬂow can be divided between ﬂoor and defrost depending upon where the knob is placed between the settings. 1 (Defrost): This setting directs most air through the windshield defroster outlets, side window defroster outlets and some through the ﬂoor outlets. 3-21 Dual Climate Control System With this system you can control the heating, cooling and ventilation for your vehicle. 9(Fan): Turn the left knob clockwise or counterclockwise to increase or decrease the fan speed. Turn the knob to the off position to turn off the fan. If the knob is in off outside air will still enter the vehicle, and will be directed based on the position of the mode knob. The temperature can also be adjusted using the temperature levers. Turn the right knob clockwise or counterclockwise to direct the airﬂow inside of your vehicle. 3-22 To change the current mode, select one of the following: H (Vent): This mode directs air to the instrument panel vents. )(Bi-Level): This mode directs half of the air to the instrument panel vents; then directs most of the remaining air to the ﬂoor vents. A little air is directed toward the windshield and the side window vents. Cooler air is directed to the upper vents and warmer air to the ﬂoor vents. 6 (Floor): This mode directs most of the air to the ﬂoor vents with a little air directed to the windshield and the side window vents. h (Recirculation): The recirculation mode is used to recirculate the air inside of your vehicle. Use this mode to help prevent outside odors and/or dust from entering your vehicle or to help cool the air inside of your vehicle more quickly. Press this button to turn the recirculation mode on or off. The light on the recirculation button will illuminate. Recirculation cannot be used in ﬂoor, blend or defrost modes. An indicator on the button will light up, ﬂash three times and turn off when recirculation is selected in these modes.The air-conditioning compressor will also come on when this mode is activated. While in recirculation mode the windows may fog when the weather is cold and damp. To clear the fog, select either the blend or defrost mode and increase fan speed. Temperature Control Driver’s Side: The lever on the left side of the climate control panel is used to raise or lower the temperature on the driver’s side of the vehicle. This lever also adjusts the temperature to the center console outlets (if equipped). Passenger’s Side: The lever on the right side of the climate control panel is used to raise or lower the temperature on the passenger’s side of the vehicle. #(Air Conditioning): Press this button to turn the air-conditioning system on or off. When the button is pressed, an indicator light will come on and the system will begin to cool and dehumidify the air inside of your vehicle. You may notice a slight change in engine performance when the air conditioning compressor shuts off and turns on again. This is normal. Defogging and Defrosting Fog on the inside of the windows is a result of high humidity (moisture) condensing on the cool window glass. This can be minimized if the climate control system is used properly. There are two modes to choose from to clear fog or frost from your windshield. Use the defog mode to clear the windows of fog or moisture and warm the passengers. Use the defrost mode to remove fog or frost from the windshield more quickly. Turn the right knob clockwise or counterclockwise to select one of the following modes: -(Defog): This mode directs the air to the ﬂoor outlets, windshield and the side window vents. The air conditioning compressor will run automatically to dehumidify the air to prevent window fogging. The recirculation mode cannot be selected while in the defog mode. 1(Defrost): This mode directs most of the air to the windshield and the side window vents, with only a little air directed to the ﬂoor vents. The air conditioning compressor will run automatically to dehumidify the air to prevent window fogging. The recirculation mode cannot be selected while in defrost mode. Do not drive the vehicle until all the windows are clear. 3-23 Rear Window Defogger The lines you see on the rear window warm the glass. The rear window defogger uses a warming grid to remove fog from the rear window. < (Rear): Press this button to turn the rear window defogger on or off. An indicator light in the button will come on to let you know that the rear window defogger is activated. The rear window defogger will automatically turn off several minutes after the button is pressed. Pressing the button while the defogger is running can also turn off the defogger. If your vehicle is equipped with heated mirrors this button will activate them. Notice: Don’t use anything sharp on the inside of the rear window. If you do, you could cut or damage the warming grid, and the repairs wouldn’t be covered by your warranty. Do not attach a temporary vehicle license, tape, a decal or anything similar to the defogger grid. 3-24 Outlet Adjustment Use the air outlets located in the center and on the side of your instrument panel to direct the airﬂow. Your vehicle has air outlets that allow you to adjust the direction and amount of airﬂow inside the vehicle. Move the louvers up or down. Use the thumbwheel next to or underneath the outlet to close the louvers. For the most efficient airﬂow and temperature control, keep the outlet in the fully opened position. Rear seat outlets can be used to adjust airﬂow toward either seating area, the ﬂoor or upward. Move the center louvers up or down to direct the airﬂow. Operation Tips • Keep the hood and front air inlets free of ice, snow, or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. • Keep the air path under the front seats clear of objects. This helps air to circulate throughout your vehicle. • Adding outside equipment to the front of your vehicle, such as hood-air deﬂectors, etc., may affect the performance of the heating and air conditioning system. Check with your dealer before adding equipment to the outside of your vehicle. Dual Automatic Climate Control System With this system, you can control the heating, cooling and ventilation in your vehicle. Your vehicle also has a ﬂow-through ventilation system described later in this section. You can select different climate control settings for the driver and passengers. 3-25 Driver’s Side Temperature Knob The driver’s side knob is used to adjust the temperature of the air coming through the system on the driver’s side. The temperature can be adjusted even if the system is turned off. This is possible since outside air will always ﬂow through the system as the vehicle is moving forward unless it is set to recirculation mode. See “Recirculation” later in this section. Turn the knob counterclockwise or clockwise to lower or increase the cabin temperature. The display will show the temperature setting decreasing or increasing and an arrow pointing to the driver will be displayed under and to the left of the temperature setting. Passenger’s Side Temperature Knob The passenger’s side knob can be used to change the temperature of the air coming through the system on the passenger’s side of the vehicle. The temperature can be adjusted even if the system is turned off. This is possible since outside air will always ﬂow through the system as the vehicle is moving forward unless it is set to recirculation mode. See “Recirculation” later in this section. Turn the knob counterclockwise or clockwise to lower or increase the cabin temperature. The display will show the temperature setting decreasing or increasing and an arrow pointing to the passenger will be displayed under and to the right of the temperature setting. The passenger’s temperature setting can be set to match the driver’s temperature setting by pressing and holding the AUTO button for four seconds. Both the driver and passenger arrows will be displayed. Automatic Operation AUTO (Automatic): When automatic operation is active the system will control the inside temperature, the air delivery, and the fan speed. Use the steps below to place the entire system in automatic mode: 1. Press the AUTO button. When AUTO is selected, the display will change to show the current driver’s set temperature, delivery mode and fan speed. Press the AUTO button again within ﬁve seconds to display the passenger’s set temperature. 3-26 If the driver and passenger’s temperature settings are not the same, the opposite side temperature setting will be displayed for an additional ﬁve seconds. To make the passenger’s temperature the same as the driver’s press and hold the AUTO button for about four seconds. When AUTO is selected, the air conditioning operation and air inlet will be automatically controlled. The air conditioning compressor will run when the outside temperature is over about 40°F (4°C). The air inlet will normally be set to outside air. If it’s hot outside, the air inlet may automatically switch to recirculate inside air to help quickly cool down your vehicle. The light on the button will illuminate in recirculation. 2. Set the driver’s and passenger’s temperature. To ﬁnd your comfort setting, start with a 74°F (23°C) temperature setting and allow about 20 minutes for the system to regulate. Turn the driver’s or passenger’s side temperature knob to adjust the temperature setting as necessary. If you choose the temperature setting of 60°F (15°C) the system will remain at the maximum cooling setting. If you choose the temperature setting of 90°F (32°C) the system will remain at the maximum heat setting. Choosing either maximum setting will not cause the vehicle to heat or cool any faster. Be careful not to cover the sensor located on the top of the instrument panel near the windshield. This sensor regulates air temperature based on sun load, and also turns on your headlamps. To avoid blowing cold air in cold weather, the system will delay turning on the fan until warm air is available. The length of delay depends on the engine coolant temperature. Pressing the fan switch will override this delay and change the fan to a selected speed. 3-27 9(Off): Press this button to turn off the entire climate control system. Outside air will still enter the vehicle, and will be directed to the ﬂoor. This direction can be changed by pressing the mode button. The temperature can also be adjusted using either temperature knob. Press the up or down arrows on the fan switch, the defrost button, the AUTO button, or the air conditioning button to turn the system on when it is off. Manual Operation You may manually adjust the air delivery mode or fan speed. w9x (Fan): The switch with the fan symbol allows you to manually adjust the fan speed. Press the up arrow to increase fan speed and the down arrow to decrease fan speed. Pressing this button when the system is off will turn the system on. C (Mode): Press this button to manually change the direction of the airﬂow in your vehicle; keep pressing the button until the desired mode appears on the display. If you press the mode button to select an air delivery mode, the display will change to show you the selected air mode delivery. The display will then show the current status of the system. When the system is turned off, the display will go blank after displaying the current status of the system. H (Panel): This setting will deliver air to the instrument panel outlets. )(Bi-Level): This setting will deliver warmer air to the ﬂoor and cooler air to the instrument panel outlets. 6 (Floor): This setting will deliver air to the ﬂoor outlets. - (Defog): See “Defogging and Defrosting” later in this section. @(Recirculation): Press this button to limit the amount of outside air entering your vehicle. The light on the recirculation button will glow. This is helpful when you are trying to limit odors entering your vehicle and for maximum air conditioning performance in hot weather. Press this button again to allow outside air to enter the vehicle. The light on the recirculation button will go off. 3-28 Pressing this button also cancels the auto recirculation feature. To resume the auto recirculation function, press the AUTO button. Each time the vehicle is started, the system will revert to the auto recirculation function. If you select recirculation while in defrost, defog or ﬂoor, the light in the button will ﬂash and then go out to let you know that this is not allowed. This is normal and helps to prevent fogging. When the weather is cool or damp, operating the system in recirculation for extended periods of time may cause fogging of the vehicle’s windows. To clear the fog, select either defog or front defrost. You may also notice that the A/C compressor will run while in recirculation mode. This is normal and helps to prevent fogging. 9(Off): Press this button to turn off the entire climate control system. Outside air will still enter the vehicle, and will be directed to the ﬂoor. This direction can be changed by pressing the mode button. The temperature can also be adjusted using either temperature knob. Press the up or down arrows on the fan switch, the defrost button, the AUTO button, or the air conditioning button to turn the system on when it is off. Display If you press the MODE button to select an air delivery mode, the display will change to show you the selected air delivery mode. After ten seconds, the display will change to show the driver temperature setting and the selected mode. If you press the up or down arrows on the fan switch, the display will change to show the selected fan speed. After ten seconds, the display will change to show the driver temperature setting and the selected mode. Whenever you press AUTO, the display will change to show the following: • The current driver’s set temperature and an arrow for ﬁve seconds • The current passenger’s set temperature setting and an arrow for ﬁve seconds • The automatic air delivery mode and fan speed If the driver’s and passenger’s temperature settings are the same when AUTO is pressed, the temperature setting and both arrows will be displayed for ﬁve seconds along with the automatic air delivery mode and fan speed. After the ﬁve second update, the display will change to show the temperature setting, both arrows and AUTO. 3-29 Air Conditioning #(Air Conditioning): Press this button to turn the air conditioning (A/C) compressor on and off. The snowﬂake symbol will appear on the display when the A/C is on. Pressing this button when the outside temperature is too cool for air conditioning will make the snowﬂake symbol ﬂash three times and then turn off to let you know the air conditioning mode is not available. If the air conditioning is on and the outside temperature drops below a temperature which is too cool for air conditioning to be effective, the snowﬂake symbol will turn off to let you know the air conditioning mode has been canceled. ^ (Air Conditioning Off): On some vehicles, when you turn the air conditioning off, this symbol will appear on the display. If your vehicle does not have this symbol, the snowﬂake symbol will turn off to let you know the air conditioning is off. When air conditioning is selected or in AUTO mode, the system will run the air conditioning automatically to cool and dehumidify the air entering the vehicle. If you select A/C off while in front defrost, defog or recirculation, the A/C snowﬂake symbol will turn off, but the A/C compressor will still run to help prevent fogging. 3-30 On hot days, open the windows long enough to let hot inside air escape. This reduces the time it takes for your vehicle to cool down. Then keep your windows closed for the air conditioner to work its best. On cool, but sunny days while using manual operation of the automatic system, use bi-level to deliver warm air to the ﬂoor and cooler air to the instrument panel outlets. To warm or cool the air delivered, turn the temperature knob to the desired setting. In AUTO mode the system will cool and dehumidify the air inside the vehicle. Also while in AUTO mode, the system will maximize its performance by using recirculation as necessary. Heating On cold days when using manual operation of the automatic system, choose ﬂoor mode to deliver air to the ﬂoor outlets. To warm or cool the air delivered, turn the temperature knob to the desired setting. If you want to use the automatic mode, press AUTO and adjust the temperature by turning the temperature knob. The heater works best if you keep the windows closed while using it. Defogging and Defrosting You can use either defog or front defrost to clear fog or frost from your windshield. Use the defog mode to clear the windows of fog or moisture. Use the front defrost button to defrost the front windshield. -(Defog): Use this setting to clear the windows of fog or moisture. Press the mode button to select this setting. This setting will deliver air to the ﬂoor and windshield outlets. 0 (Front Defrost): Press the front defrost button to defrost the windshield. The system will automatically control the fan speed if you select defrost from AUTO mode. If the outside temperature is 40°F (4°C) or warmer, your air conditioning compressor will automatically run to help dehumidify the air and dry the windshield. Rear Window Defogger If your vehicle has this feature, the lines you see on the rear window warm the glass. The rear window defogger uses a warming grid to remove fog from the rear window. <(Rear): Press this button to turn the rear window defogger on or off. An indicator light in the button will come on to let you know that the rear window defogger is activated. The rear window defogger will turn off about 10 minutes after the button is pressed. If you need additional warming time, press the button again. If your vehicle is equipped with heated mirrors this button will activate them. Notice: Using a razor blade or sharp object to clear the inside rear window may damage the rear window defogger. Repairs would not be covered by your warranty. Do not clear the inside of the rear window with sharp objects. 3-31 Outlet Adjustment Use the air outlets located in the center and on the side of your instrument panel to direct the airﬂow. Operation Tips • Keep the hood and front air inlets free of ice, snow, or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. • Keep the air path under the front seats clear of objects. This helps air to circulate throughout your vehicle. • Adding outside equipment to the front of your vehicle, such as hood-air deﬂectors, etc., may affect the performance of the heating and air conditioning system. Check with your dealer before adding equipment to the outside of your vehicle. Your vehicle has air outlets that allow you to adjust the direction and amount of airﬂow inside the vehicle. Move the louvers up or down. Use the thumbwheel next to or underneath the outlet to close the louvers. For the most efficient airﬂow and temperature control, keep the outlet in the fully opened position. Rear seat outlets can be used to adjust airﬂow toward either seating area, the ﬂoor or upward. Move the center louvers up or down to direct the airﬂow. 3-32 Gages can indicate when there may be or is a problem with one of your vehicle’s functions. Often gages and warning lights work together to let you know when there’s a problem with your vehicle. When one of the warning lights comes on and stays on when you are driving, or when one of the gages shows there may be a problem, check the section that tells you what to do about it. Please follow this manual’s advice. Waiting to do repairs can be costly – and even dangerous. So please get to know your warning lights and gages. They’re a big help. Your vehicle also has a driver information system that works along with the warning lights and gages. See Driver Information Center (DIC) on page3-54. Warning Lights, Gages and Indicators

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2004 Chevrolet Silverado Owners Manual