
Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-16908339) - 2024 - CRC - 12/12/22
286 Driving and Operating
Warning (Continued)
injury, death, or property damage. Only
use the ITBC system with electric or
electric over hydraulic trailer brake
systems.
Trailer Brake Control Panel
1. Manual Trailer Brake Apply Lever
2. Trailer Symbol
3. Trailer Gain Adjustment Buttons
The trailer symbol on the control panel will
light amber when a trailer with electric
brakes is connected.The ITBC control panel is on the center stack
or center console. See
Instrument Panel
Overview 05. The control panel allows
adjustment to the amount of output,
referred to as Trailer Gain, available to the
trailer brakes and allows manual application
of the trailer brakes. Use the ITBC control
panel and the DIC trailer brake display page
to adjust and display power output to the
trailer brakes.
Trailer Brake DIC Display Page
The ITBC display page indicates:
.Trailer Gain setting
.Output to the trailer brakes
.Trailer connection
.System operational status
To display:
.Scroll through the DIC menu pages
.Press a Trailer Gain (+) or (−) button
.Activate the Manual Trailer Brake Apply
Lever
TRAILER GAIN: Press a Trailer Gain button to
recall the current Trailer Gain setting. Each
press and release of the gain buttons will
then change the Trailer Gain setting. Press
the Trailer Gain (+) or (-) to adjust. Press and
hold to continuously adjust the Trailer Gain. To turn the output to the trailer off, adjust
the Trailer Gain setting to 0.0. This setting
can be adjusted from 0.0 to 10.0 with a
trailer connected or disconnected.
TRAILER OUTPUT: This displays anytime a
trailer with electric brakes is connected.
Output to the trailer brakes is based on the
amount of vehicle braking present and
relative to the Trailer Gain setting. Output is
displayed from 0 to 100% for each gain
setting.
The Trailer Output will indicate
“- - - - - -”on
the Trailer Brake Display Page whenever the
following occur:
.No trailer is connected.
.A trailer without electric brakes is
connected. No DIC message displays.
.A trailer with electric brakes has become
disconnected. A CHECK TRAILER WIRING
message displays on the DIC.
.There is a fault present in the wiring to
the trailer brakes. A CHECK TRAILER
WIRING message displays on the DIC.
.The ITBC system is not working due to a
fault. A SERVICE TRAILER BRAKE SYSTEM
message displays in the DIC.

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-16908339) - 2024 - CRC - 12/5/22
420 Index
Camera (cont'd)Truck Bed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Canadian Vehicle Owners . . . . . . . . . . . . . . . . . . .2
Capacities and Specifications . . . . . . . . . . . . . 396
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . 217
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . . 202
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Caution, Danger, and Warning . . . . . . . . . . . . . .2
Center High-Mounted Stoplamp (CHMSL)and Cargo Lamp . . . . . . . . . . . . . . . . . . . . . 329
Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Center Console
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358
Charging System Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Check Engine Light (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Child Restraints Infants and Young Children . . . . . . . . . . . . . 72
Lower Anchors and Tethers forChildren . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Child Restraints (cont'd)
Securing . . . . . . . . . . . . . . . . . . . . . . . . . 87, 91, 93
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Child Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 20
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Cleaning Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 382
Climate Control Systems . . . . . . . . . . . . . . . . . .185 Air Conditioning . . . . . . . . . . . . . . . . . . . . . . . 185
Dual Automatic . . . . . . . . . . . . . . . . . . . . . . . . 187
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Cluster, Instrument . . . . . . . . . . . . . . . . . .107, 108
Collision Alert Forward (FCA) System . . . . . . . . . . . . . . . . . 257
Collision Damage Repair . . . . . . . . . . . . . . . . . 405
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Connected Services Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 415
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415
Connections Connected Services . . . . . . . . . . . . . . . . . . . . 415
Control Hill Descent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 Control (cont'd)
Traction and Electronic Stability . . . . . . . 230
Control Light Hill Descent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Control of a Vehicle . . . . . . . . . . . . . . . . . . . . . 194
Controls Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 151
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Coolant Engine Temperature Gauge . . . . . . . . . . . . . 113
Engine Temperature Warning Light . . . . 123
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185, 187
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
Courtesy Transportation Program . . . . . . . . 404
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 Adaptive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Customer Assistance Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Text Telephone (TTY) Users . . . . . . . . . . . . 401
Customer Information Publications Ordering Information . . . . . 406
Customer Satisfaction Procedure . . . . . . . . . 399
Cybersecurity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-16908339) - 2024 - CRC - 12/5/22
428 Index
Specifications and Capacities . . . . . . . . . . . . . 396
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Start Vehicle, Remote . . . . . . . . . . . . . . . . . . . . . .18
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . 213
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195Column Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Fluid, Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 100
Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . 100
Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . . 151
Steps Power Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Stoplamps and Back-up Lamps Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 328
Storage
Center Console . . . . . . . . . . . . . . . . . . . . . . . . . 96
Compartments . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Floor Console . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Underseat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Surround
Vision System . . . . . . . . . . . . . . . . . . . . . . . . . 248
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
System Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Brake Pad Life . . . . . . . . . . . . . . . . . . . . . . . . . 319
Engine Air Filter Life . . . . . . . . . . . . . . . . . . . . 311
Global Positioning . . . . . . . . . . . . . . . . . . . . . 162
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . . . . 409
Noise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 323
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
TaillampsBulb Replacement . . . . . . . . . . . . . . . . . . . . . . 328
Task Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Text Telephone (TTY) Users . . . . . . . . . . . . . . 401
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . 30 Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
All-Terrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . 354
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358 Tires (cont'd)
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Full-Size Spare . . . . . . . . . . . . . . . . . . . . . . . . . 370
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 358
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . 123
Pressure Monitor Operation . . . . . . . . . . . 346
Pressure Monitor System . . . . . . . . . . . . . . 345
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Sidewall Labeling . . . . . . . . . . . . . . . . . . . . . . 341
Terminology and Definitions . . . . . . . . . . . 342
Uniform Tire Quality Grading . . . . . . . . . . 356
Wheel Alignment and Tire Balance . . . . 357
Wheel Replacement . . . . . . . . . . . . . . . . . . . . 357
When It Is Time for New Tires . . . . . . . . . 353
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Tow/Haul Mode Light . . . . . . . . . . . . . . . . . . . 120
Towing App . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Driving Characteristics . . . . . . . . . . . . . . . . . 270
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
General Information . . . . . . . . . . . . . . . . . . . 270
Recreational Vehicle . . . . . . . . . . . . . . . . . . . 374