Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Keys, Doors, and Windows . . . . . . . . . . . . . . . 6
Seats and Restraints . . . . . . . . . . . . . . . . . . . . . 36
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Instruments and Controls . . . . . . . . . . . . . . . 82
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Infotainment System . . . . . . . . . . . . . . . . . . . 121
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . 174
Driving and Operating . . . . . . . . . . . . . . . . . . 180
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Service and Maintenance . . . . . . . . . . . . . . . 315
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . 328
Customer Information . . . . . . . . . . . . . . . . . . 332
Reporting Safety Defects . . . . . . . . . . . . . . . 340
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Connected Services . . . . . . . . . . . . . . . . . . . . . 348
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Introduction
The names, logos, emblems, slogans, vehicle
model names, and vehicle body designs
appearing in this manual including, but not
limited to, GM, the GM logo, CHEVROLET,
the CHEVROLET Emblem, and TRAILBLAZER
are trademarks and/or service marks of
General Motors LLC, its subsidiaries,
affiliates, or licensors.
For vehicles first sold in Canada, substitute
the name“General Motors of Canada
Company” for Chevrolet Motor Division
wherever it appears in this manual.
This manual describes features that may or
may not be on the vehicle because of
optional equipment that was not purchased
on the vehicle, model variants, country
specifications, features/applications that may not be available in your region, or changes
subsequent to the printing of this owner’s
manual.
Refer to the purchase documentation
relating to your specific vehicle to confirm
the features.
Keep this manual in the vehicle for quick
reference.
Canadian Vehicle Owners
A French language manual can be obtained
from your dealer, at www.helminc.com,
or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de ce guide
en français auprès du concessionnaire ou à
l'adresse suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Litho in U.S.A.
Part No. 84401923 A First Printing©2019 General Motors LLC. All Rights Reserved.
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Introduction 5
1.Air Vents 0178.
2. Turn Signal Lever. See Turn and
Lane-Change Signals 0117.
IntelliBeam System Button (If Equipped).
See Exterior Lamp Controls 0114.
3. Instrument Cluster 089.
Driver Information Center (DIC) Display.
See Driver Information Center (DIC) (Base
Level) 0104 or
Driver Information Center (DIC) (Uplevel)
0 107.
4. Windshield Wiper/Washer 083.
Rear Window Wiper/Washer 084.
5. Light Sensor. See Automatic Headlamp
System 0116.
6. Hazard Warning Flashers 0117.
7. Infotainment. See Overview0122.
8. Climate Control Systems 0174.
Automatic Climate Control System 0176.
Heated Front Seats 040. (If Equipped).
9. USB Port 0130.
Auxiliary Jack 0132.
10. Wireless Charging 086 (If Equipped).
11. Stop/Start Disable Button. See Stop/Start
System 0195 (If Equipped). Lane Keep Assist (LKA)
0229 (If
Equipped).
Traction Control/Electronic Stability
Control 0206.
Sport Mode (If Equipped). See Driver
Mode Control 0208
All-Wheel Drive 0203 (If Equipped).
12. Electric Parking Brake 0205.
13. Shift Lever. See Automatic Transmission
0 201.
14. Power Outlets 085.
15. Engine START/STOP Button. See Ignition
Positions (Key Access) 0191 or
Ignition Positions (Keyless Access) 0192
(If Equipped).
16. Steering Wheel Controls 083.
17. Horn 083.
18. Steering Wheel Adjustment 083 (Out
of View).
19. Cruise Control 0209.
Adaptive Cruise Control (Camera) 0211 (If
Equipped).
Forward Collision Alert (FCA) System
0 223 (If Equipped).
20. Hood Release. See Hood0245. 21. Data Link Connector (DLC) (Out of View).
SeeMalfunction Indicator Lamp (Check
Engine Light) 096.
22. Instrument Panel Storage 078.
Instrument Panel Fuse Block 0277.
23. Exterior Lamp Controls 0114.
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
18 Keys, Doors, and Windows
Other conditions can affect the performance
of the transmitter. SeeRemote Keyless Entry
(RKE) System 09.
Starting the Engine Using Remote Start
To start the vehicle:
1. Press and release
Qon the RKE
transmitter.
2. Immediately after completing Step 1, press and hold
/until the turn signal
lamps flash. If the vehicle's lights cannot
be seen, press and hold
/for at least
four seconds.
When the vehicle starts, the park lamps will
turn on and remain on as long as the
engine is running. The doors will be locked
and the climate control system will operate
automatically if the vehicle has the
automatic system, or at the same setting as
when the vehicle was last turned off.
With an automatic climate control system
and if equipped with heated seats, the
heated seats turn on during colder outside
temperatures and shut off when the ignition
is turned on. The rear window defogger and heated
mirrors, if equipped, turn on during colder
outside temperatures and turn off when the
ignition is turned on.
After entering the vehicle during a remote
start, press the brake and ENGINE START/
STOP with the transmitter in the vehicle to
drive the vehicle.
If the vehicle is left running, it automatically
shuts off after 15 minutes unless a time
extension has been done.Extending Engine Run Time
To extend the engine run time by
15 minutes, repeat Steps 1 and 2 while the
engine is still running. An extension can be
requested 30 seconds after starting. The
engine run time can only be extended if it is
the first remote start since the vehicle has
been driven. Remote start can be extended
one time.
If the remote start procedure is used again
while the engine is still running, 15 minutes
will be added on for a total of 30 minutes.
For example, if
Qand then/are pressed
again while the engine is still running,
15 minutes will be added on for a total of
30 minutes. A maximum of two remote starts or remote
start with an extension are allowed between
ignition cycles.
After the vehicle's engine has been started
two times using the remote start button or
a start with an extension, the ignition must
be turned on and then back off before the
remote start procedure can be used again.
Canceling a Remote Start
To manually shut off a remote start:
.Press and hold/until the lamps
turn off.
.Turn on the hazard warning flashers.
.Turn the ignition switch on and then off.
Conditions in Which the Remote Start
Will Not Work
The vehicle cannot be started using the
remote start feature if the key is in the
ignition, the hood is open, the vehicle is on,
the hazard warning flashers are on, the
vehicle is not in P (Park), 30 minutes of
engine run time have been used, or there is
an emission control system malfunction.
The engine turns off during a remote start if
the coolant temperature gets too high or if
the oil pressure gets low.
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
36 Seats and Restraints
Seats and Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . 36
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 38
Power Seat Adjustment . . . . . . . . . . . . . . . . 38
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . 39
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . 39
Heated Front Seats . . . . . . . . . . . . . . . . . . . . . 40
Folding Seatback . . . . . . . . . . . . . . . . . . . . . . . . 41
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Rear Seat Armrest . . . . . . . . . . . . . . . . . . . . . . 44
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
How to Wear Seat Belts Properly . . . . . . 45
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 46
Seat Belt Use During Pregnancy . . . . . . . . 49
Seat Belt Extender . . . . . . . . . . . . . . . . . . . . . 49
Safety System Check . . . . . . . . . . . . . . . . . . . 50
Seat Belt Care . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Replacing Seat Belt System Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Airbag System
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Where Are the Airbags? . . . . . . . . . . . . . . . . 52 When Should an Airbag Inflate? . . . . . . . . 53
What Makes an Airbag Inflate? . . . . . . . . . 54
How Does an Airbag Restrain? . . . . . . . . . 54
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Passenger Sensing System . . . . . . . . . . . . . 56
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Adding Equipment to the Airbag-Equipped Vehicle . . . . . . . . . . . . . . 60
Airbag System Check . . . . . . . . . . . . . . . . . . . 60
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Child Restraints
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Infants and Young Children . . . . . . . . . . . . . 62
Child Restraint Systems . . . . . . . . . . . . . . . . 64
Where to Put the Restraint . . . . . . . . . . . . 66
Lower Anchors and Tethers for Children(LATCH System) . . . . . . . . . . . . . . . . . . . . . . . 67
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Securing Child Restraints (With the Seat Belt in the Rear Seat) . . . . . . . . . . . . . . . . . 73
Securing Child Restraints (With the Seat Belt in the Front Seat) . . . . . . . . . . . . . . . . 74
Head Restraints
{
Warning
With head restraints that are not
installed and adjusted properly, there is a
greater chance that occupants will suffer
a neck/spinal injury in a crash. Do not
drive until the head restraints for all
occupants are installed and adjusted
properly.
Front Seats
The vehicle's front seats have adjustable
head restraints in the outboard seating
positions.
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Seats and Restraints 37
Adjust the head restraint so that the top of
the restraint is at the same height as the
top of the occupant's head. This position
reduces the chances of a neck injury in a
crash.
The height of the head restraint can be
adjusted. To raise or lower the head
restraint, press the button located on the
side of the head restraint, and pull up or
push the head restraint down, and release
the button. Pull and push on the head
restraint after the button is released to
make sure that it is locked in place.
The front seat outboard head restraints are
not removable.
Rear Seats
The vehicle’s rear seats have adjustable head
restraints in the outboard seating positions.
The height of the head restraint can be
adjusted. Pull the head restraint up to raise
it. Try to move the head restraint to make
sure it is locked in place.
To lower the head restraint, press the
button on the top of the seatback and push
the head restraint down. Try to move the
head restraint after the button is released to
make sure it is locked in place.
Folding the Rear Head Restraint
The head restraint can be folded rearward to
allow for better visibility when the rear seat
is unoccupied.
To fold the head restraint, press the button
on the side of the head restraint.
The head restraint will fold rearward
automatically.
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
38 Seats and Restraints
When an occupant or child restraint is in the
seat, always return the head restraint to the
full upright position. Pull the head restraint
up and forward until it locks into place. Push
and pull on the head restraint to make sure
that it is locked.
Always adjust the head restraint so that the
top of the restraint is at the same height as
the top of the occupant's head.
Rear outboard head restraints are not
removable.
Front Seats
Seat Adjustment
Seat Position
{Warning
You can lose control of the vehicle if you
try to adjust a driver seat while the
vehicle is moving. Adjust the driver seat
only when the vehicle is not moving.
To adjust a manual seat:1. Pull the handle at the front of the seat.
2. Slide the seat to the desired position and release the handle.
3. Try to move the seat back and forth to be sure it is locked in place.
Height Adjustment
If available, move the lever up or down to
manually raise or lower the seat.
Power Seat Adjustment
{Warning
You can lose control of the vehicle if you
try to adjust a driver seat while the
vehicle is moving. Adjust the driver seat
only when the vehicle is not moving.
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Seats and Restraints 39
{Warning
The power seats will work with the
ignition off. Children could operate the
power seats and be injured. Never leave
children alone in the vehicle.
To adjust the seat:
.Move the seat forward or rearward by
sliding the control forward or rearward.
.Raise or lower the front part of the seat
cushion by moving the front of the
control up or down.
.Raise or lower the entire seat by moving
the rear of the control up or down.To adjust the seatback, see
Reclining
Seatbacks 039.
To adjust the lumbar support, see Lumbar
Adjustment 039.
Lumbar Adjustment
Press and hold the control forward to
increase or rearward to decrease support.
Reclining Seatbacks
{Warning
If either seatback is not locked, it could
move forward in a sudden stop or crash.
That could cause injury to the person
sitting there. Always push and pull on
the seatbacks to be sure they are locked.
Manual Seat
To recline the seatback:
1. Lift the lever. If necessary, move the seat belt out of the way to access the lever.
2. Move the seatback to the desired position, then release the lever to lock
the seatback in place.
Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
40 Seats and Restraints
3. Push and pull on the seatback to makesure it is locked.
To return the seatback to an upright
position: 1. Lift the lever fully without applying pressure to the seatback, and the
seatback returns to the upright position.
2. Push and pull on the seatback to make sure it is locked.
{Warning
Sitting in a reclined position when the
vehicle is in motion can be dangerous.
Even when buckled up, the seat belts
cannot do their job.
The shoulder belt will not be against
your body. Instead, it will be in front of
you. In a crash, you could go into it,
receiving neck or other injuries.
The lap belt could go up over your
abdomen. The belt forces would be there,
not at your pelvic bones. This could cause
serious internal injuries.
(Continued)
Warning (Continued)
For proper protection when the vehicle is
in motion, have the seatback upright.
Then sit well back in the seat and wear
the seat belt properly.
Do not have a seatback reclined if the
vehicle is moving.
Power Seat
.Tilt the top of the control rearward to
recline.
.Tilt the top of the control forward to
raise.
Heated Front Seats
{Warning
If temperature change or pain to the skin
cannot be felt, the seat heater may cause
burns. To reduce the risk of burns, use
care when using the seat heater,
especially for long periods of time. Do
not place anything on the seat that
(Continued)