steering CHEVROLET TRAILBLAZER 2023 Workshop Manual

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
Service and Maintenance 317
suitable service maintenance intervals for
your vehicle, please contact your
authorized GM Dealer.
Extreme service is for vehicles mainly
driven off-road in four-wheel drive or used
in farming, mining, forestry, or snow
plowing.
Additional Required Services—Severe
Service
Every 72 000 km (45,000 mi)
.Change automatic transmission fluid and
filter.
Every 75 000 km (120,000 mi)
.Change rear axle fluid, if equipped with
AWD. Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water can
overcome the seals and contaminate the
transfer case fluid. Contaminated fluid will
decrease the life of the transfer case and/
or axles and should be replaced.
Owner Checks and Services
Every Five Years
.Replace brake fluid every five years. See
Brake Fluid 0256. Every Seven Years
.Replace Air Conditioning Desiccant every
seven years. The air conditioning system
requires maintenance every seven years.
This service requires replacement of the
desiccant to help the longevity and
efficient operation of the air conditioning
system. This service can be complex. See
your dealer.
Multi-Point Vehicle
Inspection (MPVI)
A Multi Point Vehicle Inspection (MPVI)
completed by a GM dealer technician is a
maintenance assessment of your vehicle.
The benefit of the MPVI is to identify and
inform the customer of service items that
require immediate attention and those that
may require attention in the future.
The technician will perform the following
checks on your vehicle. For a complete list
of checks, inspections, and services, see your
dealer.
Some items may not apply to your vehicle
and/or region.
Diagnostics
.OnStar active, if equipped
.Service history/recall check
Engine Oil and Filter
.Engine oil
.Oil life monitor
‐
Reset oil life monitor
Exterior Lights
.Visual inspection
Windshield and Wipers
.Visual inspection
Battery
.Battery visual inspection
.Battery test results
.Battery cables and connections
Systems, Fluids, and Visible Leak
Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
318 Service and Maintenance
.Fuel system
.Windshield washer fluid
Tire Inspection
.Tire pressure, tread depth, and wear
.Rotation, if applicable
.Alignment check, optional
.Reset tire pressure monitor
.Check tire sealant expiration date,
if equipped
.Check spare tire, if equipped
Brakes
.Check brake system
Visible and Functional Inspections
.Seat belt components
.Exhaust system
.Accelerator pedal
.Passenger compartment air filter,
if equipped
.Engine air filter
.Hoses
.Belts
.Shocks and struts
.Steering components
.Axle boots or driveshaft and u-joints
.Compartment lift struts, if equipped
.Floor mats secured, no interference with
pedals
.Horn
.Ignition lock, if equipped
.Starter switch
.Evaporative control system
Lubricate
.Chassis components
Special Application Services
.Severe Commercial Use Vehicles Only:
Lubricate chassis components every oil
change.
.Have underbody flushing service
performed. See "Underbody Maintenance"
in Exterior Care 0305.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
Customer Information 335
Publication Ordering Information
Service Manuals
Service manuals have the diagnosis and
repair information on the engine/propulsion,
transmission, axle, suspension, brakes,
electrical system, steering system, body, etc.
Customer Literature
Owner’s manuals are written specifically for
owners and are intended to provide basic
operational information about the vehicle.
The owner’s manual includes the
Maintenance Schedule for all models.
Customer literature publications available for
purchase include owner’s manuals, warranty
manuals, and portfolios. Portfolios include an
owner’s manual, warranty manual,
if applicable, and zip lock bag or pouch.
Current and Past Models
Service manuals and customer literature are
available for many current and past model
year GM vehicles.
To order, call 1-800-551-4123 Monday–Friday,
8:00 a.m.–6:00 p.m. Eastern TimeFor credit card orders only (VISA,
MasterCard, or Discover), see Helm, Inc. at:
www.helminc.com.
To order by mail, write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Make checks payable in U.S. funds.
Radio Frequency Statement
This vehicle uses license-exempt
transmitters / receivers / systems that
operate on a radio frequency that complies
with Part 15/Part 18 of the Federal
Communications Commission (FCC) rules and
with Innovation, Science and Economic
Development (ISED) Canada's license-exempt
RSS(s) / RSP-100 / ICES-GEN.
Operation is subject to the following two
conditions:
1. The device may not cause harmful interference.
2. The device must accept any interference received, including interference that may
cause undesired operation of the device. Changes or modifications to any of these
systems by other than an authorized service
facility could void authorization to use this
equipment.
Reporting Safety Defects
Reporting Safety Defects to the
United States Government
If you believe that your vehicle has a
defect which could cause a crash or
could cause injury or death, you should
immediately inform the National
Highway Traffic Safety Administration
(NHTSA) in addition to notifying General
Motors.
If NHTSA receives similar complaints, it
may open an investigation, and if it
finds that a safety defect exists in a
group of vehicles, it may order a recall
and remedy campaign. However, NHTSA
cannot become involved in individual
problems between you, your dealer,
or General Motors.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
Index 349
Center ConsoleStorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Charging System Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Check Engine Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Child Restraints Infants and Young Children . . . . . . . . . . . . . 64
Lower Anchors and Tethers forChildren . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75, 76
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Child Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . .23
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Cleaning
Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Climate Control Systems . . . . . . . . . . . . . . . . . 167
Air Conditioning . . . . . . . . . . . . . . . . . . . . . . . 167
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Cluster, Instrument . . . . . . . . . . . . . . . . . . . . . . . 92
Collision Damage Repair . . . . . . . . . . . . . . . . . 333 Compact Spare Tire . . . . . . . . . . . . . . . . . . . . . . 298
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Connected Services Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
Connections Connected Services . . . . . . . . . . . . . . . . . . . . 344
Control
Traction and Electronic Stability . . . . . . . 200
Control of a Vehicle . . . . . . . . . . . . . . . . . . . . . 176
Controls Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 121
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Coolant
Engine Temperature Gauge . . . . . . . . . . . . . 96
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167, 169
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Courtesy Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Courtesy Transportation Program . . . . . . . . 332
Coverage Explanations . . . . . . . . . . . . . . . . . . . .142
Covers Rear Compartment/Storage Panel . . . . . . . 82
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Adaptive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Customer Assistance Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Text Telephone (TTY) Users . . . . . . . . . . . . 329
Customer Information Publications Ordering Information . . . . . 335
Customer Satisfaction Procedure . . . . . . . . . 327
Cybersecurity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
D
Damage Repair, Collision . . . . . . . . . . . . . . . . . 333
Danger, Warning, and Caution . . . . . . . . . . . . . .3
Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Data Collection Infotainment System . . . . . . . . . . . . . . . . . . 338
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Data Recorders, Event . . . . . . . . . . . . . . . . . . . 337
Database Coverage Explanations . . . . . . . . . .142
Daytime Running Lamps (DRL) . . . . . . . . . . . . 114
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . . . . 175
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Diagnostics Connected Services . . . . . . . . . . . . . . . . . . . . 346

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
Index 351
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
FluidAutomatic Transmission . . . . . . . . . . . . . . . 248
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Fog Lamp Light Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 264
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Folding Seatback . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Forward Collision Alert (FCA) System . . . . . . . . . . . . 217
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Front
Heated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Pedestrian Braking (FPB) System . . . . . . . 220
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Fuel
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Economy, Driving for Better . . . . . . . . . . . 174
Filling a Portable Fuel Container . . . . . . . 228
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 227
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 227
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Low Fuel Warning Light . . . . . . . . . . . . . . . 105 Fuel (cont'd)
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 226
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 226
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Fuses Engine Compartment Fuse Block . . . . . . . . 271
Fuses and Circuit Breakers . . . . . . . . . . . . . 270
Instrument Panel Fuse Block . . . . . . . . . . . 273
Rear Compartment Fuse Block . . . . . . . . . 275
Where To Find Fuse Maps for YourVehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
G
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
GaugesEngine Coolant Temperature . . . . . . . . . . . . 96
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Warning Lights and Indicators . . . . . . . . . . 92
General Information Service and Maintenance . . . . . . . . . . . . . . 314
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Global Positioning System (GPS) . . . . . . . . . 140
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Guidance Problems with the Route . . . . . . . . . . . . . . . 141
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Hazard Warning Flashers . . . . . . . . . . . . . . . . . 115
HD Radio Technology . . . . . . . . . . . . . . . . . . . . . 125
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 262
Daytime Running Lamps (DRL) . . . . . . . . . . 114
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Headlamps, Front Turn Signal,
Sidemarker, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 262, 263
High-Beam On Light . . . . . . . . . . . . . . . . . . . 105
High/Low Beam Changer . . . . . . . . . . . . . . . 113
Lamps On Reminder . . . . . . . . . . . . . . . . . . . 105
Heated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 86
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
356 Index
Shift Lock Control Function Check,Automatic Transmission . . . . . . . . . . . . . . . . 259
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . 222
Sidemarker Bulb Replacement . . . . . . . . . . . . . . . . . 264, 267
Signals, Turn and Lane-Change . . . . . . . . . . . . 115
Software Updates . . . . . . . . . . . . . . . . . . . . . . . . . 123
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
Special Application Services . . . . . . . . . . . . . . .318
Specifications and Capacities . . . . . . . . . . . . . 324
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Sport Mode Light . . . . . . . . . . . . . . . . . . . . . . . . 102
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Start Vehicle, Remote . . . . . . . . . . . . . . . . . . . . . .19
Starter Switch Check . . . . . . . . . . . . . . . . . . . . . 259
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . .187
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . . 86
Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . . 121 Stop/Start System . . . . . . . . . . . . . . . . . . . . . . . 189
Stoplamps and Back-Up Lamps
Bulb Replacement . . . . . . . . . . . . . . . . . 264, 267
Storage Center Console . . . . . . . . . . . . . . . . . . . . . . . . . 81
Compartments . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Instrument Panel Areas . . . . . . . . . . . . . . . . . 80
Rear Compartment/Storage PanelCover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Roof Rack System . . . . . . . . . . . . . . . . . . . . . . . 83
Storage Areas Cargo Management System . . . . . . . . . . . . 83
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
System Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Driver Assistance . . . . . . . . . . . . . . . . . . . . . . 214
Engine Air Filter Life . . . . . . . . . . . . . . . . . . . 248
Forward Collision Alert (FCA) . . . . . . . . . . . . 217
Global Positioning . . . . . . . . . . . . . . . . . . . . . 140
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . . . . 338 System (cont'd)
Rear Cross Traffic Alert . . . . . . . . . . . . . . . . . 217
Roof Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Taillamps
Bulb Replacement . . . . . . . . . . . . . . . . . 264, 267
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Text Telephone (TTY) Users . . . . . . . . . . . . . . 329
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . 31 Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . 289
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Compact Spare . . . . . . . . . . . . . . . . . . . . . . . . 298
Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 290
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 293
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . 104
Pressure Monitor Operation . . . . . . . . . . . 284
Pressure Monitor System . . . . . . . . . . . . . . 283
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287