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2009 Chevrolet Silverado 2500 HD Extended Cab Owner's Manual - Page 447

2009 Chevrolet Silverado 2500 HD Extended Cab Manual

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Overheated Engine Protection Operating Mode If an overheated engine condition exists and the REDUCED ENGINE POWER message is displayed, an overheat protection mode which alternates ﬁring groups of cylinders helps prevent engine damage. In this mode, you will notice a loss in power and engine performance. This operating mode allows the vehicle to be driven to a safe place in an emergency. Driving extended miles (km) and/or towing a trailer in the overheat protection mode should be avoided. Notice: After driving in the overheated engine protection operating mode, to avoid engine damage, allow the engine to cool before attempting any repair. The engine oil will be severely degraded. Repair the cause of coolant loss, change the oil and reset the oil life system. See Engine Oil on page 5-15. Engine Fan Noise If the vehicle has a clutched engine cooling fan, when the clutch is engaged, the fan spins faster to provide more air to cool the engine. In most everyday driving conditions, the fan is spinning slower and the clutch is not fully engaged. This improves fuel economy and reduces fan noise. Under heavy vehicle loading, trailer towing, and/or high outside temperatures, the fan speed increases as the clutch more fully engages, so you may hear an increase in fan noise. This is normal and should not be mistaken as the transmission slipping or making extra shifts. It is merely the cooling system functioning properly. The fan will slow down when additional cooling is not required and the clutch disengages. You may also hear this fan noise when you start the engine. It will go away as the fan clutch partially disengages. If the vehicle has electric cooling fans, you may hear the fans spinning at low speed during most everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, and/or high outside temperatures, or if you are operating the air conditioning system, the fans may change to high speed and you may hear an increase in fan noise. This is normal and indicates that the cooling system is functioning properly. The fans will change to low speed when additional cooling is no longer required. 5-37

Section	Page
2009 Chevrolet Silverado BookTOC	1
Seats and Restraint System	7
Head Restraints	9
Front Seats	10
Manual Seats	10
Power Seats	11
Manual Lumbar	12
Power Lumbar	13
Heated Seats	14
Memory Seat, Mirrors, and Pedals	14
Reclining Seatbacks	16
Seatback Latches	19
Center Seat	19
Rear Seats	20
Rear Seat Operation (Extended Cab Full Bench)	20
Rear Seat Operation (All Split Bench and Hybrid Full Bench)	21
Safety Belts	22
Safety Belts: They Are for Everyone	22
How to Wear Safety Belts Properly	27
Lap-Shoulder Belt	36
Safety Belt Use During Pregnancy	42
Lap Belt (Crew and Extended Cab)	42
Safety Belt Extender	43
Child Restraints	44
Older Children	44
Infants and Young Children	47
Child Restraint Systems	51
Where to Put the Restraint	54
Lower Anchors and Tethers for Children (LATCH)	55
Securing a Child Restraint in a Rear Seat Position	64
Securing a Child Restraint in the Center Front Seat Position	67
Securing a Child Restraint in the Right Front Seat Position (With Airbag Off Switch)	68
Securing a Child Restraint in the Right Front Seat Position (With Passenger Sensing System)	72
Securing a Child Restraint in the Right Front Seat Position (Heavy Duty Crew Cab Only)	76
Airbag System	79
Where Are the Airbags?	81
When Should an Airbag Inflate?	83
What Makes an Airbag Inflate?	85
How Does an Airbag Restrain?	85
What Will You See After an Airbag Inflates?	86
Airbag Off Switch	87
Passenger Sensing System	90
Servicing Your Airbag-Equipped Vehicle	96
Adding Equipment to Your Airbag-Equipped Vehicle	96
Restraint System Check	98
Checking the Restraint Systems	98
Replacing Restraint System Parts After a Crash	99
Features and Controls	101
Keys	103
Remote Keyless Entry (RKE) System	104
Remote Keyless Entry (RKE) System Operation	104
Remote Vehicle Start	107
Doors and Locks	109
Door Locks	109
Power Door Locks	109
Delayed Locking	109
Programmable Automatic Door Locks	110
Rear Door Security Locks	110
Lockout Protection	111
Rear Doors	111
Tailgate	112
Windows	114
Manual Windows	115
Power Windows	115
Power Sliding Rear Window	116
Sun Visors	117
Theft-Deterrent Systems	117
Content Theft-Deterrent	117
PASS-Key® III+ Electronic Immobilizer	119
PASS-Key® III+ Electronic Immobilizer Operation	119
Starting and Operating Your Vehicle	121
New Vehicle Break-In	121
Ignition Positions	121
Retained Accessory Power (RAP)	123
Starting the Engine	123
Fast Idle System	125
Adjustable Throttle and Brake Pedal	126
Engine Coolant Heater	126
Active Fuel Management™	127
Automatic Transmission Operation	128
Tow/Haul Mode	134
Four-Wheel Drive	136
Parking Brake	150
Shifting Into Park	152
Shifting Out of Park	154
Parking Over Things That Burn	154
Engine Exhaust	155
Running the Vehicle While Parked	156
Mirrors	157
Manual Rearview Mirror	157
Automatic Dimming Rearview Mirror	157
Outside Manual Mirrors	158
Outside Towing Mirrors	158
Outside Power Mirrors	159
Outside Power Foldaway Mirrors	159
Park Tilt Mirrors	160
Outside Convex Mirror	161
Outside Heated Mirrors	161
Object Detection Systems	162
Ultrasonic Rear Parking Assist (URPA)	162
Rear Vision Camera (RVC)	165
OnStar® System	171
Universal Home Remote System	174
Universal Home Remote System Operation (With Three Round LED)	175
Storage Areas	181
Glove Box	181
Cupholders	181
Instrument Panel Storage	181
Center Console Storage	182
Luggage Carrier	182
Rear Seat Armrest	183
Cargo Management System	183
Sunroof	185
Instrument Panel	187
Instrument Panel Overview	190
Instrument Panel Overview (Base/Uplevel version)	190
Instrument Panel Overview (Premium version)	192
Hazard Warning Flashers	194
Horn	194
Tilt Wheel	194
Turn Signal/Multifunction Lever	195
Turn and Lane-Change Signals	195
Headlamp High/Low-Beam Changer	196
Flash-to-Pass	196
Windshield Wipers	196
Rainsense™ II Wipers	197
Windshield Washer	198
Cruise Control	199
Exterior Lamps	202
Headlamps on Reminder	203
Daytime Running Lamps (DRL)	203
Automatic Headlamp System	204
Puddle Lamps	205
Fog Lamps	205
Auxiliary Roof-Mounted Lamp	205
Instrument Panel Brightness	206
Dome Lamps	206
Dome Lamp Override	206
Entry Lighting	206
Exit Lighting	206
Reading Lamps	207
Cargo Lamp	207
Electric Power Management	207
Battery Run-Down Protection	208
Accessory Power Outlet(s)	208
Ashtray(s) and Cigarette Lighter	209
Climate Controls	210
Climate Control System (With Air Conditioning)	210
Climate Control System (With Heater Only)	212
Dual Automatic Climate Control System	214
Outlet Adjustment	219
Warning Lights, Gages, and Indicators	219
Instrument Panel Cluster (US-Canada)	220
Speedometer and Odometer	221
Trip Odometer	221
Tachometer	221
Safety Belt Reminders	222
Airbag Readiness Light	223
Airbag Off Light	224
Passenger Airbag Status Indicator	226
Charging System Light	227
Voltmeter Gage (US-Canada)	227
Brake System Warning Light	228
Antilock Brake System (ABS) Warning Light	229
StabiliTrak® Indicator Light	230
Engine Coolant Temperature Gage (US-Canada)	230
Tire Pressure Light	231
Malfunction Indicator Lamp	231
Oil Pressure Gage (US-Canada)	234
Oil Pressure Light	235
Security Light	236
Fog Lamp Light	236
Cruise Control Light	236
Highbeam On Light	236
Four-Wheel-Drive Light	237
Tow/Haul Mode Light	237
Fuel Gage	237
Low Fuel Warning Light	238
Driver Information Center (DIC)	239
DIC Operation and Displays (With DIC Buttons)	239
DIC Operation and Displays (Without DIC Buttons)	245
DIC Compass	249
DIC Warnings and Messages	252
DIC Vehicle Customization (With DIC Buttons)	262
Audio System(s)	271
Setting the Clock	272
Radio(s)	274
Using an MP3 (Radio with CD or Six-Disc CD Player)	294
Using an MP3 (Radio with CD and DVD Player)	298
XM Radio Messages	303
Navigation/Radio System	304
Bluetooth®	304
Rear Seat Entertainment (RSE) System	315
Rear Seat Audio (RSA)	324
Theft-Deterrent Feature	326
Audio Steering Wheel Controls	326
Radio Reception	327
Fixed Mast Antenna	328
XM™ Satellite Radio Antenna System	328
Driving Your Vehicle	329
Your Driving, the Road, and the Vehicle	330
Driving for Better Fuel Economy	330
Defensive Driving	330
Drunk Driving	331
Control of a Vehicle	332
Braking	332
Antilock Brake System (ABS)	333
Braking in Emergencies	334
StabiliTrak® System	334
Locking Rear Axle	337
Steering	337
Off-Road Recovery	339
Passing	339
Loss of Control	339
Off-Road Driving	340
Driving at Night	353
Driving in Rain and on Wet Roads	353
Before Leaving on a Long Trip	354
Highway Hypnosis	354
Hill and Mountain Roads	355
Winter Driving	356
If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow	358
Rocking Your Vehicle to Get It Out	358
Recovery Hooks	359
Loading the Vehicle	360
Adding a Snow Plow or Similar Equipment	366
Truck-Camper Loading Information	370
Pickup Conversion to Chassis Cab	373
Towing	373
Towing Your Vehicle	373
Recreational Vehicle Towing	373
Towing a Trailer	378
Trailer Recommendations	409
Service and Appearance Care	411
Service	414
Accessories and Modifications	414
California Proposition 65 Warning	415
California Perchlorate Materials Requirements	415
Doing Your Own Service Work	415
Adding Equipment to the Outside of the Vehicle	416
Fuel	416
Gasoline Octane	416
Gasoline Specifications	417
California Fuel	417
Additives	417
Fuel E85 (85% Ethanol)	418
Fuels in Foreign Countries	419
Filling the Tank	420
Filling a Portable Fuel Container	422
Checking Things Under the Hood	422
Hood Release	423
Engine Compartment Overview	424
Engine Oil	425
Engine Oil Life System	428
Engine Air Cleaner/Filter	429
Automatic Transmission Fluid (4-Speed Transmission)	431
Automatic Transmission Fluid (6-Speed Transmission)	434
Cooling System	438
Engine Coolant	439
Engine Overheating	444
Overheated Engine Protection Operating Mode	447
Engine Fan Noise	447
Power Steering Fluid	448
Windshield Washer Fluid	449
Brakes	450
Battery	453
Jump Starting	454
Rear Axle	459
Four-Wheel Drive	460
Front Axle	462
Noise Control System	464
Tampering with Noise Control System Prohibited	464
Headlamp Aiming	465
Bulb Replacement	468
Halogen Bulbs	468
Headlamps	468
Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp	469
Pickup Box Identification and Fender Marker Lamps	470
Taillamps, Turn Signal, Stoplamps and Back-up Lamps	471
License Plate Lamp	473
Replacement Bulbs	473
Windshield Wiper Blade Replacement	474
Tires	474
Tire Sidewall Labeling	476
Tire Terminology and Definitions	480
Inflation - Tire Pressure	483
High-Speed Operation	484
Dual Tire Operation	485
Tire Pressure Monitor System	485
Tire Pressure Monitor Operation	487
Tire Inspection and Rotation	490
When It Is Time for New Tires	493
Buying New Tires	494
Different Size Tires and Wheels	496
Uniform Tire Quality Grading	496
Wheel Alignment and Tire Balance	498
Wheel Replacement	498
Tire Chains	500
If a Tire Goes Flat	501
Changing a Flat Tire	502
Removing the Spare Tire and Tools	503
Removing the Flat Tire and Installing the Spare Tire	508
Secondary Latch System	515
Storing a Flat or Spare Tire and Tools	518
Spare Tire	522
Appearance Care	523
Interior Cleaning	523
Fabric/Carpet	524
Leather	525
Instrument Panel, Vinyl, and Other Plastic Surfaces	525
Care of Safety Belts	526
Weatherstrips	526
Washing Your Vehicle	526
Cleaning Exterior Lamps/Lenses	527
Finish Care	527
Windshield and Wiper Blades	528
Aluminum or Chrome-Plated Wheels and Trim	528
Tires	529
Sheet Metal Damage	529
Finish Damage	530
Underbody Maintenance	530
Chemical Paint Spotting	530
Vehicle Identification	531
Vehicle Identification Number (VIN)	531
Service Parts Identification Label	531
Electrical System	531
Add-On Electrical Equipment	531
Windshield Wiper Fuses	532
Power Windows and Other Power Options	532
Fuses and Circuit Breakers	532
Instrument Panel Fuse Block	532
Center Instrument Panel Fuse Block	534
Underhood Fuse Block	535
Capacities and Specifications	539
Maintenance Schedule	543
Maintenance Schedule	544
Introduction	544
Maintenance Requirements	544
Your Vehicle and the Environment	544
Using the Maintenance Schedule	545
Scheduled Maintenance (Gasoline Engine)	546
Additional Required Services	549
Maintenance Footnotes	551
Owner Checks and Services	553
At the First 100, 1,000 and 6,000 Miles (160, 1 600 and 10 000 km)	553
At Each Fuel Fill	553
At Least Once a Month	554
At Least Once a Year	554
Recommended Fluids and Lubricants	557
Maintenance Replacement Parts	559
Engine Drive Belt Routing	560
Maintenance Record	561
Customer Assistance Information	565
Customer Assistance and Information	566
Customer Satisfaction Procedure	566
Online Owner Center	569
Customer Assistance for Text Telephone (TTY) Users	570
Customer Assistance Offices	570
GM Mobility Reimbursement Program	571
Roadside Assistance Program	571
Scheduling Service Appointments	574
Courtesy Transportation Program	574
Collision Damage Repair	575
Reporting Safety Defects	578
Reporting Safety Defects to the United States Government	578
Reporting Safety Defects to the Canadian Government	579
Reporting Safety Defects to General Motors	579
Service Publications Ordering Information	579
Vehicle Data Recording and Privacy	580
Event Data Recorders	581
OnStar®	582
Navigation System	582
Radio Frequency Identification (RFID)	582

Match case Limit results 1 per page

Overheated Engine Protection

Operating Mode

If an overheated engine condition exists and the

REDUCED ENGINE POWER message is displayed, an

overheat protection mode which alternates firing

groups of cylinders helps prevent engine damage. In

this mode, you will notice a loss in power and engine

performance. This operating mode allows the vehicle to

be driven to a safe place in an emergency. Driving

extended miles (km) and/or towing a trailer in the

overheat protection mode should be avoided.

Notice:

After driving in the overheated engine

protection operating mode, to avoid engine damage,

allow the engine to cool before attempting any

repair. The engine oil will be severely degraded.

Repair the cause of coolant loss, change the oil

and reset the oil life system. See

Engine Oil

on page 5-15

Engine Fan Noise

If the vehicle has a clutched engine cooling fan, when the

clutch is engaged, the fan spins faster to provide more air

to cool the engine. In most everyday driving conditions,

the fan is spinning slower and the clutch is not fully

engaged. This improves fuel economy and reduces fan

noise. Under heavy vehicle loading, trailer towing, and/or

high outside temperatures, the fan speed increases as

the clutch more fully engages, so you may hear an

increase in fan noise. This is normal and should not be

mistaken as the transmission slipping or making extra

shifts. It is merely the cooling system functioning properly.

The fan will slow down when additional cooling is not

required and the clutch disengages.

You may also hear this fan noise when you start the

engine. It will go away as the fan clutch partially

disengages.

If the vehicle has electric cooling fans, you may hear the

fans spinning at low speed during most everyday driving.

The fans may turn off if no cooling is required. Under

heavy vehicle loading, trailer towing, and/or high outside

temperatures, or if you are operating the air conditioning

system, the fans may change to high speed and you

may hear an increase in fan noise. This is normal and

indicates that the cooling system is functioning properly.

The fans will change to low speed when additional

cooling is no longer required.

5-37