2020 CHEVROLET SILVERADO check engine light

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
Vehicle Care 423
11. If the vehicle has an ignitionkey, keep it in the towed
vehicle in ACC/ACCESSORY
to prevent the steering column
from locking. If the vehicle is
equipped with Keyless Access,
keep the RKE transmitter
outside of the vehicle and
manually lock the doors.
Access the vehicle by using
the key in the door lock. See
Door Locks 026.
Disconnecting the Towed Vehicle
Before disconnecting from the tow
vehicle: 1. Park on a level surface. Secure the vehicle with wheel blocks.
2. Re-connect the negative (–) battery. See Battery - North
America 0354.
3. Turn on the ignition with the engine off. For vehicles with a
key, turn the ignition to ON/
RUN with the engine off. If the
vehicle is equipped with
Keyless Access, with your foot
off the brake pedal, press and
hold ENGINE START/STOP for five seconds until the green
light comes on in the button.
See
Ignition Positions (Keyless
Access) 0205 or
Ignition Positions (Key Access)
0 207.
4. Set the parking brake. See Electric Parking Brake 0229.
5. Disconnect from the tow vehicle.
6. Shift the transmission to N (Neutral).
7. Shift the transfer case to 2
m
(Two-Wheel Drive High). When
the shift to 2
m(Two-Wheel
Drive High) is complete, the
light in the instrument cluster
will stop flashing and stay lit.
See Four-Wheel-Drive Light
0 138.
8. Start the engine. Check that the vehicle is in 2
m(Two-Wheel
Drive High) by starting the
engine and shifting the
transmission to D (Drive) and
then to R (Reverse). There
should be movement of the
vehicle while shifting. 9. Shift the transmission to
P (Park) and turn off the
ignition.
10. Release the parking brake and remove the wheel blocks.
11. Reset any lost presets. The outside temperature
display will default to 0 °C
(32 °F) but will reset with
normal usage.
Dolly Towing

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
446 Service and Maintenance
Battery
The 12-volt battery supplies power
to start the engine and operate any
additional electrical accessories.
.To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
. Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.
Belts
. Belts may need replacing if they
squeak or show signs of
cracking or splitting.
. Trained dealer technicians have
access to tools and equipment
to inspect the belts and
recommend adjustment or
replacement when necessary.
Brakes
Brakes stop the vehicle and are
crucial to safe driving. .
Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
. Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle.
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants 0448 for GM approved
fluids.
. Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
. Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled.
Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks. With a multi-point inspection, your
dealer can inspect the hoses and
advise if replacement is needed.
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.
Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage.
The brake lamps need to be
checked periodically to ensure
that they light when braking.
. With a multi-point inspection,
your dealer can check the lamps
and note any concerns.
Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
. Signs of wear may include
steering wheel vibration, bounce/
sway while braking, longer
stopping distance, or uneven
tire wear.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
Index 481
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 325
Accessory Power . . . . . . . . . . . . . . . 213
Active Fuel Management . . . . . . . 215
Adaptive Cruise Control . . . . . . . . 242
Add-On Electrical Equipment . . . 318
Adding a Snow Plow or Similar Equipment . . . . . . . . . . . . . 319
Additional Information
OnStar . . . . . . . . . . . . . . . . . . . . . . . 474
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 445
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 54
Air Cleaner/Filter, Engine . . . . . . . 340
Air Conditioning . . . . . . . . . . . 174, 176
Air Filter Life System . . . . . . . . . . . . . . . . . . . 339
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 180
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 179
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 81
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 74
Passenger Sensing System . . . . 75 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 73
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . 74
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 73
Where Are the Airbags? . . . . . . . . 71
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 80
Passenger Status Indicator . . . 133
Readiness Light . . . . . . . . . . . . . . 133
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . 80
System Check . . . . . . . . . . . . . . . . . . 69
Alarm Vehicle Security . . . . . . . . . . . . . . . . 34
Alert Lane Change . . . . . . . . . . . . . . . . . 270
Side Blind Zone (SBZA) . . . . . . 270
All-Season Tires . . . . . . . . . . . . . . . . 375
All-Terrain Tires . . . . . . . . . . . . . . . . . 377
Antilock Brake System (ABS) . . . 228 Warning Light . . . . . . . . . . . . . . . . . 138

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
Index 483
Capacities andSpecifications . . . . . . . . . . . . . . . . . 454
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 216
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . 29
Winter Driving . . . . . . . . . . . . . . . . 194
Cargo
Tie-Downs . . . . . . . . . . . . . . . . . . . . .113
Caution, Danger, and Warning . . . . 3
Center Console Storage . . . . . . . . 111
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . . . 365
Center Seat . . . . . . . . . . . . . . . . . . . . . 53
Chains, Tire . . . . . . . . . . . . . . . . . . . . 400
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . 121
Charging System Light . . . . . . . . . 134
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 135
Ignition Transmission Lock . . . 359
Child Restraints Infants and Young Children . . . . . 84
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 89
Older Children . . . . . . . . . . . . . . . . . . 82
Securing . . . . . . . . . . . . 102, 105, 106 Child Restraints (cont'd)
Systems . . . . . . . . . . . . . . . . . . . . . . . . 86
Circuit Breakers . . . . . . . . . . . . . . . . 366
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 424
Interior Care . . . . . . . . . . . . . . . . . . 430
Climate Control Systems . . . . . . . 174
Air Conditioning . . . . . . . . . . . . . . 174
Dual Automatic . . . . . . . . . . . . . . . 176
Heating . . . . . . . . . . . . . . . . . . . . . . . 174
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Cluster, Instrument . . . . . . . . . . . . . 124
Collision Damage Repair . . . . . . . 465
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . .110
Compass . . . . . . . . . . . . . . . . . . . . . . . 118
Connected Services
Connections . . . . . . . . . . . . . . . . . . 479
Diagnostics . . . . . . . . . . . . . . . . . . . 480
Navigation . . . . . . . . . . . . . . . . . . . . 478
Connections
Connected Services . . . . . . . . . . 479
Control Hill Descent . . . . . . . . . . . . . . . . . . 233
Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 231
Control Light Hill Descent . . . . . . . . . . . . . . . . . . 139 Control of a Vehicle . . . . . . . . . . . . . 185
Convex Mirrors . . . . . . . . . . . . . . . . . . 37
Coolant
Engine Temperature Gauge . . 131
Engine TemperatureWarning Light . . . . . . . . . . . . . . . 141
Cooling . . . . . . . . . . . . . . . . . . . . 174, 176
Cooling System . . . . . . . . . . . . . . . . . 342
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 464
Cruise Control . . . . . . . . . . . . . . . . . . 239
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Cruise Control, Adaptive . . . . . . . . 242
Cupholders . . . . . . . . . . . . . . . . . . . . . 110
Customer Assistance . . . . . . . . . . . 461 Offices . . . . . . . . . . . . . . . . . . . . . . . . 460
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 461
Customer Information Publications OrderingInformation . . . . . . . . . . . . . . . . . . 467
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 458
Cybersecurity . . . . . . . . . . . . . . . . . . . 470
D
Damage Repair, Collision . . . . . . . 465
Danger, Warning, and Caution . . . . 3

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
484 Index
Data CollectionInfotainment System . . . . . . . . . . 471
OnStar . . . . . . . . . . . . . . . . . . . . . . . 471
Data Recorders, Event . . . . . . . . . 470
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 165
Defensive Driving . . . . . . . . . . . . . . . 184
Delayed Locking . . . . . . . . . . . . . . . . . 27
Diagnostics
Connected Services . . . . . . . . . . 480
Differential, Limited-Slip . . . . . . . . 239
Distracted Driving . . . . . . . . . . . . . . . 184
Dome Lamps . . . . . . . . . . . . . . . . . . . 170
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 144
Delayed Locking . . . . . . . . . . . . . . . . 27
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power Locks . . . . . . . . . . . . . . . . . . . . 27
Drive Belt Routing, Engine . . . . . . 457
Driver Assistance Systems . . . . . 252
Driver Information Center (DIC) . . . . . . . . . . . . . 145, 146
Driver Mode Control . . . . . . . . . . . . 234
Driver Mode Control Light . . . . . . 142
Driving Assistance Systems . . . . . . . . . . 264
Better Fuel Economy . . . . . . . . . 183 Driving (cont'd)
Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 283
Defensive . . . . . . . . . . . . . . . . . . . . . 184
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 185
Hill and Mountain Roads . . . . . . 194
If the Vehicle is Stuck . . . . . . . . . 196
Loss of Control . . . . . . . . . . . . . . . 187
Off-Road . . . . . . . . . . . . . . . . . . . . . 188
Off-Road Recovery . . . . . . . . . . . 187
Vehicle Load Limits . . . . . . . . . . . 197
Wet Roads . . . . . . . . . . . . . . . . . . . 193
Winter . . . . . . . . . . . . . . . . . . . . . . . . 194
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 176
E
E85 or FlexFuel . . . . . . . . . . . . . . . . 278
Electric Brake Boost . . . . . . . . . . . . 228
Electric Parking Brake . . . . . . . . . . 229
Electric Parking Brake Light . . . . 137
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 318
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 367
Fuses and Circuit Breakers . . . 366 Electrical System (cont'd)
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . 370, 372
Overload . . . . . . . . . . . . . . . . . . . . . 366
Electronic Stability Control (ESC) Off Light . . . . . . . . . . . . . . . . 141
Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 473
Engine Air Cleaner/Filter . . . . . . . . . . . . . 340
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 135
Compartment Overview . . . . . . . 328
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 131
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 141
Cooling System . . . . . . . . . . . . . . . 342
Drive Belt Routing . . . . . . . . . . . . 457
Exhaust . . . . . . . . . . . . . . . . . . . . . . 216
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Heater . . . . . . . . . . . . . . . . . . . . . . . . .211
Oil Life System . . . . . . . . . . . . . . . 337
Oil Pressure Gauge . . . . . . . . . . 130
Oil Pressure Light . . . . . . . . . . . . 143
Overheated Protection Operating Mode . . . . . . . . . . . . . 348
Overheating . . . . . . . . . . . . . . . . . . 347

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
486 Index
Gauges (cont'd)Odometer . . . . . . . . . . . . . . . . . . . . . 128
Speedometer . . . . . . . . . . . . . . . . . 128
Tachometer . . . . . . . . . . . . . . . . . . . 129
Trip Odometer . . . . . . . . . . . . . . . . 129
Voltmeter . . . . . . . . . . . . . . . . . . . . . 132
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 123
General Information Service and Maintenance . . . . . 435
Towing . . . . . . . . . . . . . . . . . . . . . . . . 283
Vehicle Care . . . . . . . . . . . . . . . . . . 324
Glass Replacement . . . . . . . . . . . . . 361
Glove Box . . . . . . . . . . . . . . . . . . . . . . 110
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 462
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 362
Hazard Warning Flashers . . . . . . . 166
Head Restraints . . . . . . . . . . . . . . . . . 51
Head-up Display . . . . . . . . . . . . . . . . 149
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 362
Automatic . . . . . . . . . . . . . . . . . . . . . 165
Bulb Replacement . . . . . . . . . . . . 362
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 165 Headlamps (cont'd)
Flash-to-Pass . . . . . . . . . . . . . . . . . 165
Headlamps, Front Turn
Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 363
High-Beam On Light . . . . . . . . . . 143
High/Low Beam Changer . . . . . 164
Lamps On Reminder . . . . . . . . . 144
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . 61
Steering Wheel . . . . . . . . . . . . . . . .117
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Heated Mirrors . . . . . . . . . . . . . . . . . . . 41
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . .211
Heating . . . . . . . . . . . . . . . . . . . . 174, 176
High-Beam On Light . . . . . . . . . . . . 143
High-Speed Operation . . . . . . . . . . 385
Hill and Mountain Roads . . . . . . . . 194
Hill Descent Control (HDC) . . . . . 233
Hill Descent Control Light . . . . . . . 139
Hill Start Assist (HSA) . . . . . . . . . . 231
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 63
HVAC . . . . . . . . . . . . . . . . . . . . . . 174, 176
I
Ignition Positions . . . . . . . . . . 205, 207
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . . . 359
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 35
Indicator
Pedestrian Ahead . . . . . . . . . . . . 140
Vehicle Ahead . . . . . . . . . . . . . . . . 140
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 84
Information Publication Ordering . . . . . . . . . . 467
Infotainment . . . . . . . . . . . . . . . . . . . . 173
Infotainment System . . . . . . . . . . . . 471
Instrument Cluster . . . . . . . . . . . . . . 124
Instrument Panel Overview . . . . . . . 5
Interior Rearview Mirrors . . . . . . . . . 42
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 415
K
Keyless EntryRemote (RKE) System . . . . . 13, 16
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . .9, 12

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
Index 487
L
Labeling, Tire Sidewall . . . . . . . . . . 377
LampsAuxiliary RoofMounted Lamp . . . . . . . . . . . . . . 168
Daytime Running (DRL) . . . . . . 165
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 170
Exterior Cargo . . . . . . . . . . . . . . . . 169
Exterior Controls . . . . . . . . . . . . . . 162
Exterior Lamps Off Reminder . . . . . . . . . . . . . . . . . . . 164
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 172
License Plate . . . . . . . . . . . . . . . . . 366
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 135
On Reminder . . . . . . . . . . . . . . . . . 144
Reading . . . . . . . . . . . . . . . . . . . . . . 170
Lane Change Alert (LCA) . . . . . . . 270
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 272
Lane Departure Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Lane Keep Assist (LKA) . . . . . . . . 274
Lane Keep Assist Light . . . . . . . . . 139
Lap-Shoulder Belt . . . . . . . . . . . . . . . 65 LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . 102
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 89
LED Lighting . . . . . . . . . . . . . . . . . . . . 363
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 171
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Illumination Control . . . . . . . . . . . 170
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Task . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Lights Airbag Readiness . . . . . . . . . . . . . 133
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . 138
Brake System Warning . . . . . . . 137
Charging System . . . . . . . . . . . . . 134
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 135
Cruise Control . . . . . . . . . . . . . . . . 144
Door Ajar . . . . . . . . . . . . . . . . . . . . . 144
Driver Mode Control . . . . . . . . . . 142
Electric Parking Brake . . . . . . . . 137
Electronic Stability Control
(ESC), Off . . . . . . . . . . . . . . . . . . . 141
Engine Coolant Temperature Warning . . . . . . . 141 Lights (cont'd)
Engine Oil Pressure . . . . . . . . . . 143
Flash-to-Pass . . . . . . . . . . . . . . . . . 165
Four-Wheel-Drive . . . . . . . . . . . . . 138
Front Fog Lamp . . . . . . . . . . . . . . 144
High-Beam On . . . . . . . . . . . . . . . . 143
High/Low Beam Changer . . . . . 164
Hill Descent Control . . . . . . . . . . 139
Lane Departure Warning . . . . . . 139
Lane Keep Assist . . . . . . . . . . . . . 139
Low Fuel Warning . . . . . . . . . . . . 143
Seat Belt Reminders . . . . . . . . . . 132
Security . . . . . . . . . . . . . . . . . . . . . . 143
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 138
Tire Pressure . . . . . . . . . . . . . . . . . 142
Tow/Haul Mode . . . . . . . . . . . . . . . 139
Traction Off . . . . . . . . . . . . . . . . . . . 140
Limited-Slip Differential . . . . . . . . . 239
Lock Steering Column . . . . . . . . . . . . . . . . 35
Locking Rear Axle . . . . . . . . . . . . . . 239
Locks Automatic Door . . . . . . . . . . . . . . . . . 27
Delayed Locking . . . . . . . . . . . . . . . . 27
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Lockout Protection . . . . . . . . . . . . . . 27
Power Door . . . . . . . . . . . . . . . . . . . . . 27

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
490 Index
Replacing Airbag System . . . . . . . . 81
Replacing LATCH SystemParts after a Crash . . . . . . . . . . . . 102
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . 69
Reporting Safety Defects Canadian Government . . . . . . . . 469
General Motors . . . . . . . . . . . . . . . 469
U.S. Government . . . . . . . . . . . . . 468
Restraints Where to Put . . . . . . . . . . . . . . . . . . . 88
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 213
Reverse Tilt Mirrors . . . . . . . . . . . . . . 42
Ride Control Systems Enhanced Traction
System (ETS) . . . . . . . . . . . . . . . 239
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 193
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 462
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 48
Rotation, Tires . . . . . . . . . . . . . . . . . . 392
Routing, Engine Drive Belt . . . . . . 457
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 217S
Safety Defects ReportingCanadian Government . . . . . . . . 469
General Motors . . . . . . . . . . . . . . . 469
U.S. Government . . . . . . . . . . . . . 468
Safety Locks . . . . . . . . . . . . . . . . . . . . . 28
Safety System Check . . . . . . . . . . . . 68
Scheduling Appointments . . . . . . . 464
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 62 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Extender . . . . . . . . . . . . . . . . . . . . . . . . 68
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . 63
Lap-Shoulder Belt . . . . . . . . . . . . . . 65
Reminders . . . . . . . . . . . . . . . . . . . . 132
Replacing after a Crash . . . . . . . . 69
Use During Pregnancy . . . . . . . . . . 67
Seats Adjustment, Front . . . . . . . . . . . . . . . 52
Center Seat . . . . . . . . . . . . . . . . . . . . 53
Head Restraints . . . . . . . . . . . . . . . . 51
Heated and Ventilated Front . . . . 58
Heated, Rear . . . . . . . . . . . . . . . . . . . 61
Lumbar Adjustment, Front . . . . . . 54
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 56
Power Adjustment, Front . . . . . . . 53
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Reclining Seatbacks . . . . . . . . . . . . 54 Seats (cont'd)
Underseat Storage . . . . . . . . . . . . 111
Securing Child Restraints . . . . . . . . . . .102, 105, 106
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 143
OnStar . . . . . . . . . . . . . . . . . . . . . . . 474
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 34
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 34
Service . . . . . . . . . . . . . . . . . . . . . . . . . 181 Accessories andModifications . . . . . . . . . . . . . . . . 325
Climate Control System . . . . . . . 174
Doing Your Own Work . . . . . . . . 326
Maintenance Records . . . . . . . . 452
Maintenance, General Information . . . . . . . . . . . . . . . . . . 435
Parts Identification . . . . . . . . . . . . 453
Scheduling Appointments . . . . . 464
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . 138
Services Special Application . . . . . . . . . . . 445
Servicing the Airbag . . . . . . . . . . . . . 80
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 359