2023 GMC SIERRA flat tire

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
Service and Maintenance 385
Because of the way people use vehicles,
maintenance needs vary. There may need to
be more frequent checks and services. The
Additional Required Services - Normal are for
vehicles that:
.Carry passengers and cargo within
recommended limits on the Tire and
Loading Information label. SeeVehicle
Load Limits 0215.
.Are driven on reasonable road surfaces
within legal driving limits.
.Use the recommended fuel. See
Recommended Fuel 0263.
Refer to the information in the Maintenance
Schedule Additional Required Services -
Normal Service.
The Additional Required Services - Severe are
for vehicles that are:
.Mainly driven in heavy city traffic in hot
weather.
.Mainly driven in hilly or mountainous
terrain.
.Frequently towing a trailer.
.Used for high speed or competitive
driving.
.Used for taxi, police, or delivery service. Refer to the information in the Maintenance
Schedule Additional Required Services -
Severe Service.
{Warning
Performing maintenance work can be
dangerous and can cause serious injury.
Perform maintenance work only if the
required information, proper tools, and
equipment are available. If they are not,
see your dealer to have a trained
technician do the work. See
Doing Your
Own Service Work 0303.
Maintenance Schedule
Tire Rotation and Required Services
Every 12 000 km (7,500 mi)
Tires are rotated to achieve a more uniform
wear for all tires. The first rotation is the
most important.
Anytime unusual wear is noticed, rotate the
tires as soon as possible, check for proper
tire inflation pressure, and check for
damaged tires or wheels. If the unusual
wear continues after the rotation, check the wheel alignment. See
When It Is Time for
New Tires 0351 and
Wheel Replacement 0354.
.Perform Multi-Point Vehicle Inspection.
See Multi-Point Vehicle Inspection (MPVI)
0 387.
.Lubricate body components. See Exterior
Care 0374.
Power Take Off (PTO) and Extended
Idle Use
When the vehicle is used with the PTO
equipment or used in a way that requires
extended idle time, one hour of use shall be
deemed the same as 53 km (33 mi). See
Driver Information Center (DIC) (Base Level)
0128 or
Driver Information Center (DIC) (Midlevel and
Uplevel) 0130 for hourmeter, if equipped.
Additional Required Services —Normal
Service
Every 12 000 km (7,500 mi)
.Check engine oil level and oil
life percentage. If needed, change engine
oil and filter, and reset oil life system. Or
when the CHANGE ENGINE OIL SOON
message displays, have the engine oil
and filter changed within the next

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
400 Customer Information
Coverage
Services are provided for the duration of the
vehicle's powertrain warranty.
In the U.S., anyone driving the vehicle is
covered. In Canada, a person driving the
vehicle without permission from the owner
is not covered.
Roadside Assistance is not a part of the New
Vehicle Limited Warranty. General Motors
North America and GMC reserve the right to
make any changes or discontinue the
Roadside Assistance program at any time
without notification.
General Motors North America and GMC
reserve the right to limit services or
payment to an owner or driver if they
decide the claims are made too often, or the
same type of claim is made many times.
Services Provided
.Emergency Fuel Delivery:Delivery of
enough fuel for the vehicle to get to the
nearest service station.
.Lock-Out Service: Service to unlock the
vehicle if you are locked out. A remote
unlock may be available if you have OnStar. For security reasons, the driver
must present identification before this
service is given.
.Emergency Tow from a Public Road or
Highway:
Tow to the nearest GMC dealer
for warranty service, or if the vehicle was
in a crash and cannot be driven.
Assistance is not given when the vehicle
is stuck in the sand, mud, or snow.
.Flat Tire Change: Service to change a flat
tire with the spare tire. The spare tire,
if equipped, must be in good condition
and properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not covered
by the warranty.
.Battery Jump Start: Service to jump start
a dead battery.
.Trip Interruption Benefits and Assistance:
If your trip is interrupted due to a
warranty event, incidental expenses may
be reimbursed within the Powertrain
warranty period. Items considered are
reasonable and customary hotel, meals,
rental car, or a vehicle being delivered
back to the customer, up to 500 miles.
Services Not Included in Roadside
Assistance
.Impound towing caused by violation of
any laws
.Legal fines
.Mounting, dismounting, or changing of
snow tires, chains, or other traction
devices
Service is not provided if a vehicle is in an
area that is not accessible to the service
vehicle or is not a regularly traveled or
maintained public road, which includes ice
and winter roads. Off-road use is not
covered.
Services Specific to Canadian-Purchased
Vehicles
.Fuel Delivery: Reimbursement is up to 7 L.
Diesel fuel delivery may be restricted.
Propane and other fuels are not provided
through this service.
.Lock-Out Service: Vehicle registration is
required.
.Trip Interruption Benefits and Assistance:
Must be over 150 km from where your
trip was started to qualify.
Pre-authorization, original detailed
receipts, and a copy of the repair orders
are required. Once authorization has been

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
OnStar 409
.Give OnStar Turn-by-Turn Navigation voice
commands.
.Obtain and customize the Wi-Fi hotspot
name or SSID and password, if equipped.
Press
Qto connect to an Advisor to:
.Verify account information or update
contact information.
.Get driving directions.
.Receive a Diagnostic check of the vehicle's
key operating systems.
.Receive Roadside Assistance.
.Manage Wi-Fi Settings, if equipped.
Press
>to get a priority connection to an
OnStar Advisor available 24/7 to:
.Get help for an emergency.
.Be a Good Samaritan or respond to an
AMBER Alert.
.Get assistance in severe weather or other
crisis situations and find evacuation
routes.
OnStar Services
Emergency
Emergency Services require an active safety
and security plan. With Automatic Crash
Response, built-in sensors can automatically
alert a specially trained OnStar Advisor who
is immediately connected in to the vehicle
to help.
Press
>for a priority connection to an
OnStar Advisor who can contact emergency
service providers, direct them to your exact
location, and relay important information.
With OnStar Crisis Assist, specially trained
Advisors are available 24 hours a day, 7 days
a week, to provide a central point of
contact, assistance, and information during a
crisis.
With Roadside Assistance, Advisors can
locate a nearby service provider to help with
a flat tire, a battery jump, or an empty
gas tank.
Security
If equipped, OnStar provides these services:
.With Stolen Vehicle Assistance, OnStar
Advisors can use GPS to pinpoint the
vehicle and help authorities quickly
recover it.
.With Remote Ignition Block, if equipped,
OnStar can block the vehicle from being
restarted.
.With Stolen Vehicle Slowdown,
if equipped, OnStar can work with law
enforcement to gradually slow the
vehicle down.
Theft Alarm Notification
If equipped, if the doors are locked and the
vehicle alarm sounds, a notification by text,
e-mail, or phone call will be sent. If the
vehicle is stolen, an OnStar Advisor can work
with authorities to recover the vehicle.

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
416 Index
IndexA
Accessories and Modifications . . . . . . . . . . . 302
Accessory Power . . . . . . . . . . . . . . . . . . . . . . . . . 227
Add-On Electrical Equipment . . . . . . . . . . . . . 297
Adding a Snow Plow or SimilarEquipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
Additional OnStar Information . . . . . . . . . . . . . . . . . . . . 410
Adjustments Lumbar, Front Seats . . . . . . . . . . . . . . . . . . . . 53
Agreements Trademarks and License . . . . . . . . . . . . . . . 189
Air Cleaner/Filter, Engine . . . . . . . . . . . . . . . . . . 310
Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Filter Life System . . . . . . . . . . . . . . . . . . . . . . 309
Filter, Passenger Compartment . . . . . . . . 201
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Air Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . 196
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
How Does an Airbag Restrain? . . . . . . . . . . 69
Passenger Sensing System . . . . . . . . . . . . . . 70
What Makes an Airbag Inflate? . . . . . . . . . 68
What Will You See after an AirbagInflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
When Should an Airbag Inflate? . . . . . . . . 68
Where Are the Airbags? . . . . . . . . . . . . . . . . 67 Airbags
Adding Equipment to the Vehicle . . . . . . . 74
Passenger Status Indicator . . . . . . . . . . . . . . 119
Readiness Light . . . . . . . . . . . . . . . . . . . . . . . . . 119
Replacing System Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Servicing Airbag-Equipped Vehicles . . . . . . 73
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . . . . 34
Alert Lane Change . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Rear Cross Traffic . . . . . . . . . . . . . . . . . . . . . . 257
Side Blind Zone (SBZA) . . . . . . . . . . . . . . . . . 260
All-Season Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 338
All-Terrain Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 338
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
Antenna Fixed Mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Multi-band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Antilock Brake System (ABS) . . . . . . . . . . . . . 238 Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . 123
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Apple CarPlay and Android Auto . . . . . . . . . . 181
Assistance Program, Roadside . . . . . . . . . . . . 399
Assistance Systems
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
420 Index
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Filter Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 310
Fixed Mast Antenna . . . . . . . . . . . . . . . . . . . . . .158
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Flashers, Hazard Warning . . . . . . . . . . . . . . . . .142
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Floor Console Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382
Fluid Automatic Transmission . . . . . . . . . . . . . . . 309
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Power Steering . . . . . . . . . . . . . . . . . . . . . . . . 315
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Fog Lamp Light
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Forward Collision Alert (FCA) System . . . . . . . . . . . 257 Four-Wheel Drive . . . . . . . . . . . . . . . . . . . . 234, 321
Four-Wheel-Drive
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
Front Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Heated and Ventilated Seats . . . . . . . . . . . . 56
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Fuel
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Economy, Driving for Better . . . . . . . . . . . 204
Filling a Portable Fuel Container . . . . . . . 268
Filling the Tank . . . . . . . . . . . . . . . . . . . 265, 266
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 264
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Low Fuel Warning Light . . . . . . . . . . . . . . . . 127
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 264
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 263
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Full-Size Spare Tire . . . . . . . . . . . . . . . . . . . . . . . 367
Fuses Engine Compartment Fuse Block . . . . . . . 329
Fuses and Circuit Breakers . . . . . . . . . . . . . 329
Instrument Panel Fuse Block . . . . . . 333, 334
G
Garage Door Opener . . . . . . . . . . . . . . . . . . . . . . 135
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Gauges Engine Coolant Temperature . . . . . . . . . . . . 117
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 116
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Warning Lights and Indicators . . . . . . . . . . 111
General Information Service and Maintenance . . . . . . . . . . . . . . 384
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Glass Replacement . . . . . . . . . . . . . . . . . . . . . . . 323
Global Positioning System (GPS) . . . . . . . . . 170
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Guidance
Problems with the Route . . . . . . . . . . . . . . 170

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
426 Index
Steering (cont'd)Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 105
Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . 105
Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . . 151
Steps Power Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Stoplamps and Back-up Lamps
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 326
Storage Center Console . . . . . . . . . . . . . . . . . . . . . . . . 101
Compartments . . . . . . . . . . . . . . . . . . . . . . . . . 100
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Floor Console . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Underseat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Surround Vision System . . . . . . . . . . . . . . . . . 249
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
System Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Brake Pad Life . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Driver Assistance . . . . . . . . . . . . . . . . . . . . . . 246 System (cont'd)
Engine Air Filter Life . . . . . . . . . . . . . . . . . . . 309
Forward Collision Alert (FCA) . . . . . . . . . . . 257
Global Positioning . . . . . . . . . . . . . . . . . . . . . 170
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
Noise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Rear Cross Traffic Alert . . . . . . . . . . . . . . . . 257
Surround Vision . . . . . . . . . . . . . . . . . . . . . . . . 249
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Taillamps
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 326
Task Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Text Telephone (TTY) Users . . . . . . . . . . . . . . 398
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . .35 Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
All-Terrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . 352
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 353 Tires (cont'd)
Full-Size Spare . . . . . . . . . . . . . . . . . . . . . . . . . 367
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 356
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . 126
Pressure Monitor Operation . . . . . . . . . . . 344
Pressure Monitor System . . . . . . . . . . . . . . 343
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Sidewall Labeling . . . . . . . . . . . . . . . . . . . . . . 338
Terminology and Definitions . . . . . . . . . . . 340
Uniform Tire Quality Grading . . . . . . . . . . 353
Wheel Alignment and Tire Balance . . . . 354
Wheel Replacement . . . . . . . . . . . . . . . . . . . . 354
When It Is Time for New Tires . . . . . . . . . 351
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . . 234
Towing App . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Driving Characteristics . . . . . . . . . . . . . . . . . 268
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
General Information . . . . . . . . . . . . . . . . . . . 268
Recreational Vehicle . . . . . . . . . . . . . . . . . . . . 371
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Trailer Sway Control (TSC) . . . . . . . . . . . . . 285