2018 CHEVROLET SILVERADO 2500 sunroof

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
Vehicle Care 367
FusesUsage
2 Accessory power outlet 4
7 Body control module 4
8 Body control module 8
9 Rear seat entertainment
10 Cargo lamp
15 Steering wheel controls
18 Radio
19 –
20 Sunroof
23 Airbag/Info
26 Export/Power take off/ Special equipment
option/Battery 1
27 Obstacle detection/ USB ports
28 Body control module 2
32 Special equipment option/Battery 2 Fuses
Usage
35 Air conditioning inverter
36 Amplifier
37 Battery system
39 Rear sliding window
42 Right door window motor
43 Front blower
44 Special equipment option
45 Body control module 6
46 Body control module 7
47 Passenger seat
Relays Usage
50 Retained accessory power
51 Rear sliding window open
52 Rear sliding window closeInstrument Panel Fuse
Block (Left)
The left instrument panel fuse block
access door is on the driver side
edge of the instrument panel.
Pull off the cover to access the fuse
block.

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
432 Service and Maintenance
.Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. If the hold
open is low, service the gas
strut. See Gas Strut(s) 0356.
. Inspect sunroof track and seal,
if equipped. See Sunroof053.
. Verify spare tire key lock
operation and lubricate as
needed. See Tire Changing
0 396.
. Visually inspect the spare tire to
ensure that it is tightly stowed
under the vehicle. Push, pull,
and try to turn the tire. If the
spare tire moves, tighten as
necessary. Verify that the wheel
retainer plate compression
spring is fully compressed. See
Tire Changing 0396.

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
484 Index
Replacing Seat Belt SystemParts after a Crash . . . . . . . . . . . . . 75
Reporting Safety Defects Canadian Government . . . . . . . . 460
General Motors . . . . . . . . . . . . . . . 460
U.S. Government . . . . . . . . . . . . . 460
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . 96
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 251
Reverse Tilt Mirrors . . . . . . . . . . . . . . 49
Roads
Driving, Wet . . . . . . . . . . . . . . . . . . 234
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 453
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 53
Rotation, Tires . . . . . . . . . . . . . . . . . . 386
Routing, Engine Drive Belt . . . . . . 448
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 255
S
Safety Defects Reporting
Canadian Government . . . . . . . . 460
General Motors . . . . . . . . . . . . . . . 460 Safety Defects Reporting (cont'd)
U.S. Government . . . . . . . . . . . . . 460
Safety Locks . . . . . . . . . . . . . . . . . . . . . 41
Safety System Check . . . . . . . . . . . . 74
Satellite Radio . . . . . . . . . . . . . . . . . . 187
Scheduling Appointments . . . . . . . 455
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 67 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Extender . . . . . . . . . . . . . . . . . . . . . . . . 74
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 68
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . 73
Lap-Shoulder Belt . . . . . . . . . . . . . . 70
Reminders . . . . . . . . . . . . . . . . . . . . 143
Replacing after a Crash . . . . . . . . 75
Use During Pregnancy . . . . . . . . . . 73
Seats Adjustment, Front . . . . . . . . . . . . . . . 57
Center Seat . . . . . . . . . . . . . . . . . . . . 57
Head Restraints . . . . . . . . . . . . . . . . 56
Heated and Ventilated Front . . . . 63
Lumbar Adjustment, Front . . . . . . 58
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 60
Power Adjustment, Front . . . . . . . 58
Rear . . . . . . . . . . . . . . . . . . . . . . . . 65, 66
Reclining Seatbacks . . . . . . . . . . . . 59
Securing Child Restraints . . . . . . . . . . . . . . . . 110, 113 Security
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 153
OnStar . . . . . . . . . . . . . . . . . . . . . . . 465
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 43
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 43
Service . . . . . . . . . . . . . . . . . . . . . . . . . 224 Accessories and
Modifications . . . . . . . . . . . . . . . . 325
Climate Control System . . . . . . . . . . . . . . . . . 216, 218
Doing Your Own Work . . . . . . . . 326
Maintenance Records . . . . . . . . 444
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 428
Parts Identification Label . . . . . 445
Scheduling Appointments . . . . . 455
Services Special Application . . . . . . . . . . . 436
Servicing the Airbag . . . . . . . . . . . . . 88
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 354
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 253
Out of Park . . . . . . . . . . . . . . . . . . . 254
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 175
Snow Plow . . . . . . . . . . . . . . . . . . . . . 318

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
Index 485
Software Updates . . . . . . . . . . . . . . 184
Special Application Services . . . . 436
Specifications andCapacities . . . . . . . . . . . . . . . . . . . . . 446
Speedometer . . . . . . . . . . . . . . . . . . . 139
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 151
Start Assist, Hill . . . . . . . . . . . . . . . . . 272
Start Vehicle, Remote . . . . . . . . . . . 38
Starter Switch Check . . . . . . . . . . . 354
Starting the Engine . . . . . . . . . . . . . 249
Steering . . . . . . . . . . . . . . . . . . . . . . . . 228 Fluid, Power . . . . . . . . . . . . . . . . . . 345
Heated Wheel . . . . . . . . . . . . . . . . 128
Wheel Adjustment . . . . . . . . . . . . 127
Wheel Controls . . . . . . . . . . . . . . . 127
Steps Power Assist . . . . . . . . . . . . . . . . . . . 42
Stoplamps and Back-up Lamps Bulb Replacement . . . . . . . . . . . . 359
Storage Areas
Center Console . . . . . . . . . . . . . . . 123
Floor Console . . . . . . . . . . . . . . . . 124
Glove Box . . . . . . . . . . . . . . . . . . . . 122
Instrument Panel . . . . . . . . . . . . . 122
Sunglasses . . . . . . . . . . . . . . . . . . . 123
Storage Compartments . . . . . . . . . 122 Struts
Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
Stuck Vehicle . . . . . . . . . . . . . . . . . . . 237
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 53
Sunglass Storage . . . . . . . . . . . . . . . 123
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Switches Airbag On-Off . . . . . . . . . . . . . . . . . . . 82
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System Forward Collision
Alert (FCA) . . . . . . . . . . . . . . . . . . 282
Infotainment . . . . . . . . . . . . . 181, 462
Noise Control . . . . . . . . . . . . . . . . . 352
Systems Driver Assistance . . . . . . . . . . . . . 279
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 139
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Taillamps . . . . . . . . . . . . . . . . . . . . . . . 359
Bulb Replacement . . . . . . . . . . . . 359
Text Telephone (TTY) Users . . . . 452
Theft-Deterrent Systems . . . . . . . . . 45 Immobilizer . . . . . . . . . . . . . . . . . . . . . 44
Throttle, Adjustable . . . . . . . . . . . . . 246
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
All-Season . . . . . . . . . . . . . . . . . . . . 370
All-Terrain . . . . . . . . . . . . . . . . . . . . 372
Buying New Tires . . . . . . . . . . . . . 389
Chains . . . . . . . . . . . . . . . . . . . . . . . . 394
Changing . . . . . . . . . . . . . . . . . . . . . 396
Designations . . . . . . . . . . . . . . . . . 374
Different Size . . . . . . . . . . . . . . . . . 390
Full-Size Spare . . . . . . . . . . . . . . . 407
If a Tire Goes Flat . . . . . . . . . . . . 394
Inspection . . . . . . . . . . . . . . . . . . . . 385
Low Profile . . . . . . . . . . . . . . . . . . . 371
Pressure . . . . . . . . . . . . . . . . . 378, 380
Pressure Light . . . . . . . . . . . . . . . . 152
Pressure Monitor Operation . . 381
Pressure Monitor System . . . . . 380
Rotation . . . . . . . . . . . . . . . . . . . . . . 386
Sidewall Labeling . . . . . . . . . . . . . 372
Terminology and Definitions . . 376
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . 391
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 392
Wheel Replacement . . . . . . . . . . 393
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 388
Winter . . . . . . . . . . . . . . . . . . . . . . . . 371
Top Tier Fuel . . . . . . . . . . . . . . . . . . . 289