
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
Driving and Operating 185
automatic transmission vehicle, and the
steering column, if equipped with a locking
steering column.
To turn off the vehicle:1. Make sure that the vehicle is stopped.
2. Shift to P (Park).
3. Push the key all the way in towards the steering column, then turn the key to
LOCK/OFF.
4. Remove the key.
5. Set the parking brake. See Electric
Parking Brake 0198.
See your dealer if the key can be removed
in any other position. Retained Accessory Power (RAP) will remain
active. See
Retained Accessory Power (RAP)
0 192.
A warning chime will sound when the driver
door is opened and the key is in the
ignition.
If equipped with a locking steering column,
the steering can bind with the front wheels
turned off center, which may prevent key
rotation out of LOCK/OFF. If this happens,
move the steering wheel from right to left
while turning the key to ACC/ACCESSORY.
If this does not work, then the vehicle needs
service.{Warning
Turning off the vehicle while moving may
cause loss of power assist in the brake
and steering systems and disable the
airbags. While driving, only shut the
vehicle off in an emergency.
In an emergency, if the vehicle cannot be
pulled over and must be turned off while
driving: 1. Push the key all the way in toward the steering column, then turn the key to
ACC/ACCESSORY. 2. Brake using firm and steady pressure. Do
not pump the brakes repeatedly. This
may deplete power assist, requiring
increased brake pedal force.
3. Shift the vehicle to N (Neutral). This can be done while the vehicle is moving.
Continue braking and steer the vehicle to
a safe location.
4. Come to a complete stop. Shift to P (Park). Push the key all the way in
toward the steering column, then turn
the ignition to LOCK/OFF.
5. Set the parking brake. See Electric
Parking Brake 0198.
Caution
Use the correct key, make sure it is all
the way in —or pushed all the way in
toward the steering column when turning
off the vehicle —and turn it only with
your hand.
1. (ACC/ACCESSORY) : This position allows
features such as the infotainment system
to operate while the vehicle is off. It also
unlocks the steering column, if equipped
with a locking steering column. Use
this position if the vehicle must be
pushed or towed. See Retained Accessory

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
186 Driving and Operating
Power (RAP). From ON/RUN, push the
key all the way in toward the steering
column, then turn the key to
ACC/ACCESSORY. If the key is left in
ACC/ACCESSORY with the engine off, the
battery could drain and the vehicle may
not start. A warning chime will sound
when the driver door is opened and the
key is in the ignition.
2. (ON/RUN) : This position can be used to
operate the electrical accessories and to
display some instrument cluster warning
and indicator lights. This position can
also be used for service and diagnostics,
and to verify the proper operation of the
malfunction indicator lamp as may be
required for emission inspection
purposes. The switch stays in this
position when the engine is running. The
transmission is also unlocked in this
position on automatic transmission
vehicles.
3. (START) : This is the position that starts
the engine. When the engine starts,
release the key. The ignition returns to
ON/RUN for driving.Ignition Positions (Keyless Access)
Vehicles equipped with Keyless Access have
pushbutton starting.
The Remote Key must be in the vehicle for
the system to operate. If the pushbutton
start is not working, the vehicle may be
near a strong radio antenna signal causing
interference to the Keyless Access system.
See Remote Key Operation (Mechanical Key)
0 10 or
Remote Key Operation (Remote Key) 013.
To shift out of P (Park), the ignition must be
on or in Service Mode, and the brake pedal
must be applied.
{Warning
Turning off the vehicle while moving may
cause loss of power assist in the brake
and steering systems and disable the
airbags. While driving, only shut the
vehicle off in an emergency.
Stopping the Engine/LOCK/OFF (No Indicator
Lights) : When the vehicle is stopped, press
ENGINE START/STOP once to turn the
engine off.
If the vehicle is in P (Park), the ignition will
turn off, and Retained Accessory Power (RAP)
will remain active. See Retained Accessory
Power (RAP) 0192.
If the vehicle is not in P (Park), the ignition
will return to accessory mode and display
the message SHIFT TO PARK in the Driver
Information Center (DIC). When the vehicle is
shifted into P (Park), the ignition system will
turn off.
The vehicle may have an electric steering
column lock. The lock is activated when the
ignition is turned off and either front door is
opened. A sound may be heard as the lock
actuates or releases. The steering column
lock may not release with the wheels turned
off center. If this happens, the vehicle may

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
240 Vehicle Care
Damage to vehicle components resulting
from modifications or the installation or use
of non-GM certified parts, including control
module or software modifications, is not
covered under the terms of the vehicle
warranty and may affect remaining
warranty coverage for affected parts.
GM Accessories are designed to complement
and function with other systems on the
vehicle. See your dealer to accessorize the
vehicle using genuine GM Accessories
installed by a dealer technician.
Also, seeAdding Equipment to the
Airbag-Equipped Vehicle 061.
Vehicle Checks
Doing Your Own Service Work
{Warning
It can be dangerous to work on your
vehicle if you do not have the proper
knowledge, service manual, tools,
or parts. Always follow owner’s manual
procedures and consult the service
manual for your vehicle before doing any
service work. If doing some of your own service work, use
the proper service manual. It tells you much
more about how to service the vehicle than
this manual can. To order the proper service
manual, see
Publication Ordering
Information 0335.
This vehicle has an airbag system. Before
attempting to do your own service work,
see Servicing the Airbag-Equipped Vehicle
0 61.
If equipped with remote vehicle start, open
the hood before performing any service
work to prevent remote starting the vehicle
accidentally. See Remote Vehicle Start 019.
Keep a record with all parts receipts and list
the mileage and the date of any service
work performed. See Maintenance Records
0 322.
Caution
Even small amounts of contamination can
cause damage to vehicle systems. Do not
allow contaminants to contact the fluids,
reservoir caps, or dipsticks.
Hood
{Warning
For vehicles with auto engine stop/start,
turn the vehicle off before opening the
hood. If the vehicle is on, the engine will
start when the hood is opened. You or
others could be injured.
{Warning
Components under the hood can get hot
from running the engine. To help avoid
the risk of burning unprotected skin,
never touch these components until they
have cooled, and always use a glove or
towel to avoid direct skin contact.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
334 Customer Information
collision parts. When purchasing insurance,
we recommend that you ensure that the
vehicle will be repaired with GM original
equipment collision parts. If such insurance
coverage is not available from your current
insurance carrier, consider switching to
another insurance carrier.
If the vehicle is leased, the leasing company
may require you to have insurance that
ensures repairs with Genuine GM Original
Equipment Manufacturer (OEM) parts or
Genuine Manufacturer replacement parts.
Read the lease carefully, as you may be
charged at the end of the lease for poor
quality repairs.
If a Crash Occurs
If there has been an injury, call emergency
services for help. Do not leave the scene of
a crash until all matters have been taken
care of. Move the vehicle only if its position
puts you in danger, or you are instructed to
move it by a police officer.
Give only the necessary information to
police and other parties involved in the
crash.
For emergency towing seeRoadside
Assistance Program 0330. Gather the following information:
.Driver name, address, and telephone
number
.Driver license number
.Owner name, address, and telephone
number
.Vehicle license plate number
.Vehicle make, model, and model year
.Vehicle Identification Number (VIN)
.Insurance company and policy number
.General description of the damage to the
other vehicle
Choose a reputable repair facility that uses
quality replacement parts. See “Collision
Parts” earlier in this section.
If the airbag has inflated, see What Will You
See after an Airbag Inflates? 056.
Managing the Vehicle Damage Repair
Process
In the event that the vehicle requires
damage repairs, GM recommends that you
take an active role in its repair. If you have
a pre-determined repair facility of choice,
take the vehicle there, or have it towed
there. Specify to the facility that any
required replacement collision parts be
original equipment parts, either new Genuine GM parts or recycled original GM
parts. Remember, recycled parts will not be
covered by the GM vehicle warranty.
Insurance pays the bill for the repair, but
you must live with the repair. Depending on
your policy limits, your insurance company
may initially value the repair using
aftermarket parts. Discuss this with the
repair professional, and insist on Genuine
GM parts. Remember, if the vehicle is
leased, you may be obligated to have the
vehicle repaired with Genuine GM parts,
even if your insurance coverage does not
pay the full cost.
If another party's insurance company is
paying for the repairs, you are not obligated
to accept a repair valuation based on that
insurance company's collision policy repair
limits, as you have no contractual limits
with that company. In such cases, you can
have control of the repair and parts choices
as long as the cost stays within reasonable
limits.

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