2021 CHEVROLET TRAILBLAZER keyless

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
32 Keys, Doors, and Windows
Manual Rearview Mirror
If equipped, push the tab forward for
daytime use and pull it rearward for
nighttime use to avoid glare of the
headlamps from behind.
Automatic Dimming Rearview
Mirror
If equipped, automatic dimming reduces the
glare of headlamps from behind. The
dimming feature comes on when the vehicle
is started.
Windows{
Warning
Never leave a child, a helpless adult, or a
pet alone in a vehicle, especially with the
windows closed in warm or hot weather.
They can be overcome by the extreme
heat and suffer permanent injuries or
even death from heat stroke.
The vehicle aerodynamics are designed to
improve fuel economy performance. This
may result in a pulsing sound when either
rear window is down and the front windows
are up. To reduce the sound, open either a
front window or the sunroof, if equipped.
Power Windows
{Warning
Children could be seriously injured or
killed if caught in the path of a closing
window. Never leave the Remote Keyless
Entry (RKE) transmitter in a vehicle with
children. When there are children in the
rear seat, use the window lockout switch
(Continued)
Warning (Continued)
to prevent operation of the windows.
SeeKeys (Key Access) 06or
Keys (Keyless Access) 08.
The power windows work when the ignition
is on, in ACC/ACCESSORY, or when Retained
Accessory Power (RAP) is active. See
Retained Accessory Power (RAP) 0199.
Using the window switch, press to open or
pull to close the window.
The windows may be temporarily disabled if
they are used repeatedly within a
short time.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
34 Keys, Doors, and Windows
Pull the sun visor down to block glare.
Detach the sun visor from the center mount
to pivot to the side window and,
if equipped, extend along the rod.
Roof
Sunroof
If equipped, the ignition must be on or in
ACC/ACCESSORY, or Retained Accessory
Power (RAP) must be active to operate
the sunroof. SeeIgnition Positions (Key
Access) 0191 or
Ignition Positions (Keyless Access) 0192 and
Retained Accessory Power (RAP) 0199.
< Type1 >
< Type2 >
1. Sunroof Switch (SLIDE)
2. Vent Switch (TILT)
Sunroof Switch
Express-Open/Express-Close : To
express-open the sunroof, fully press and
release
i(1). Press the switch again to
stop it. To express-close the sunroof, fully
press and release
g(1). Press the switch
again to stop it.
Open/Close (Manual Mode) : To open the
sunroof, press and hold
i(1) until the
sunroof reaches the desired position. Press
and hold
g(1) to close it. Vent :
From the closed position,
i(1) to
vent the sunroof.
Sunshade Switch
Express-Open/Express-Close : To
express-open the sunshade, fully press and
release
rorj(2). To express-close the
sunshade, fully press and release
sor
g(2). Press the switch again to stop it.
Open/Close : To open the sunshade, press
and hold
rorj(2) until the sunshade
reaches the desired position.
Press and hold
sorg(2) to close the
sunshade.
When the sunroof is opened, an air deflector
will automatically raise.
The air deflector will retract when the
sunroof is closed.
Automatic Reversal System
The sunroof has an automatic reversal
system that is only active when the sunroof
is operated in express-close mode.
If an object is in the path while express
closing, the reversal system will detect an
object, stop, and open the sunroof or power
sunshade slightly.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
96 Instruments and Controls
or off symbol, to let you know the status of
the front outboard passenger frontal airbag
and knee airbag.
If the word ON, or the on symbol, is lit on
the passenger airbag status indicator, it
means that the front outboard passenger
frontal airbag and knee airbag are allowed
to inflate.
If the word OFF, or the off symbol is lit, on
the airbag status indicator, it means that
the passenger sensing system has turned off
the front outboard passenger frontal airbag
and knee airbag.
If, after several seconds, both status
indicator lights remain on, or if there are no
lights at all, there may be a problem with
the lights or the passenger sensing system.
See your dealer for service.
{Warning
If the airbag readiness light ever comes
on and stays on, it means that
something may be wrong with the airbag
system. To help avoid injury to yourself
or others, have the vehicle serviced right
(Continued)
Warning (Continued)
away. SeeAirbag Readiness Light 095
for more information, including important
safety information.
Charging System Light
The charging system light comes on briefly
when the ignition is turned on, but the
engine is not running, as a check to show
the light is working. The light turns off
when the engine is started. If it does not,
have the vehicle serviced by your dealer.
If the light stays on, or comes on while
driving, there may be a problem with the
electrical charging system. Have it checked
by your dealer. Driving while this light is on
could drain the battery.
When this light comes on, the Driver
Information Center (DIC) also displays a
message. If a short distance must be driven with the
light on, be sure to turn off all accessories,
such as the radio and air conditioner.
Malfunction Indicator Lamp
(Check Engine Light)
This light is part of the vehicle’s emission
control on-board diagnostic system. If this
light is on while the engine is running, a
malfunction has been detected and the
vehicle may require service. The light should
come on to show that it is working when
the ignition is in Service Mode. See
Ignition
Positions (Key Access) 0191 or
Ignition Positions (Keyless Access) 0192.
Malfunctions are often indicated by the
system before any problem is noticeable.
Being aware of the light and seeking service
promptly when it comes on may prevent
damage.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
112 Instruments and Controls
Hands Free Liftgate Control
The liftgate may be operated with a kicking
motion under the left side of the rear
bumper. SeeLiftgate022
Touch Off, On-Open and Close,
or On-Open Only.
Auto Wipe in Reverse Gear
This setting automatically turns on the rear
window wiper when the vehicle is in
R (Reverse) and the front wipers are on.
Touch Off or On.
Extended Hill Start Assist
This allows the duration of the Hill Start
Assist to be changed.
Touch Extended Hold or Standard Hold.
Lighting
Touch and the following may display:
.Vehicle Locator Lights
.Exit Lighting
Vehicle Locator Lights
This feature will flash the exterior lamps
when
Kon the Remote Keyless Entry (RKE)
transmitter is pressed to locate the vehicle.
Touch Off or On. Exit Lighting
This allows the selection of how long the
exterior lamps stay on when leaving the
vehicle when it is dark outside.
Touch Off, 30 Seconds, 60 Seconds, or 120
Seconds.
Power Door Locks
Touch and the following may display:
.Open Door Anti Lock Out
.Auto Door Unlock
.Delayed Door Lock
Open Door Anti Lock Out
This setting prevents the driver door from
locking when the door is open. If this
setting is on, the Delayed Door Lock menu
will not be available.
Touch Off or On.
Auto Door Unlock
This setting allows you to select which
doors will automatically unlock when the
vehicle is shifted into P (Park).
Touch Off, All Doors, or Driver Door. Delayed Door Lock
This setting delays the locking of the doors.
To override the delay, press the power door
lock switch on the door.
Touch Off or On.
Remote Lock, Unlock, Start
Touch and the following may display:
.Remote Unlock Light Feedback
.Remote Lock Feedback
.Remote Door Unlock
.Remote Start Auto Heat Seats
.Passive Door Unlock
.Passive Door Lock
.Remote Left in Vehicle Alert
Remote Unlock Light Feedback
This setting flashes the exterior lamps when
you remotely unlock the vehicle.
Touch Off or Flash Lights.
Remote Lock Feedback
This setting specifies how the vehicle
responds when you remotely lock the
vehicle.
Touch Off, Lights and Horn, Lights Only,
or Horn Only.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Instruments and Controls 113
Remote Door Unlock
This setting specifies whether all doors,
or just the driver door, unlock when pressing
Kon the RKE transmitter.
Touch All Doors or Driver Door.
Remote Start Auto Heat Seats
This setting automatically turns on the
heated seats when using the remote start
function on cold days.
Touch Off or On.
Passive Door Unlock
This setting specifies which doors unlock
when using the button on the driver door
handle to unlock the vehicle.
Touch All Doors or Driver Door Only.
Passive Door Lock
This setting specifies whether the vehicle
will automatically lock, or lock and alert you
after all the doors are closed, and you walk
away from the vehicle with the RKE
transmitter. See Remote Keyless Entry (RKE)
System Operation (Key Access) 09or
Remote Keyless Entry (RKE) System
Operation (Keyless Access) 011.
Touch Off, On with Horn Chirp, or On. Remote Left in Vehicle Alert
This feature sounds an alert when the RKE
transmitter is left in the vehicle. This menu
also enables Remote No Longer in Vehicle
Alert.
Touch Off or On.
Teen Driver
See
Teen Driver 0162.
Valet Mode
This will lock the infotainment system and
steering wheel controls. It may also limit
access to vehicle storage locations,
if equipped.
To enable valet mode:
1. Enter a four-digit code on the keypad.
2. Touch Enter to go to the confirmation screen.
3. Re-enter the four-digit code.
Touch Lock or Unlock to lock or unlock the
system. Touch Back to go back to the
previous menu.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Lighting 119
Front Reading Lamps
The front reading lamps are in the overhead
console.
Press the lamp lenses to turn the front
reading lamps on or off.Rear Reading Lamps
If equipped, the rear reading lamps are over
the rear seats.
Press the lamp lens to turn the rear
passenger reading lamps on or off.
Lighting Features
Entry Lighting
Some exterior lamps and interior lamps turn
on briefly at night, or in areas with limited
lighting, when
Kis pressed on the Remote
Keyless Entry (RKE) transmitter. They stay
on for about 20 seconds after door is closed. When all of the doors have been closed or
the ignition is turned on, they gradually
fade out.
This feature can be changed. See
“Vehicle
Locator Lights” underVehicle Personalization
0 110.
Exit Lighting
Some exterior lamps and interior lights
come on at night, or in areas with limited
lighting, when the driver door is opened
after the ignition is turned off. The dome
lamp comes on after the ignition is turned
off. The exterior lamps and dome lamp
remain on for a set amount of time, then
automatically turn off.
The exterior lamps turn off immediately by
turning the exterior lamp control off.
This feature can be changed. See Vehicle
Personalization 0110.
Battery Load Management
The vehicle has Electric Power Management
(EPM) that estimates the battery's
temperature and state of charge. It then
adjusts the voltage for best performance
and extended life of the battery.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
162 Infotainment System
Phone
Touch and the following may display:
.My Number: Displays the cell phone
number of the Bluetooth connected
device.
.Active Call View: Shows active call display
when answering a call.
Touch the controls on the infotainment
display to disable or enable.
.Privacy : Only show call alerts in cluster.
.Sort Contacts: Touch to sort by first or
last name.
.Re-sync phone Contacts: This allows the
device contacts to re-sync if you are
having difficulty accessing all of the
contacts on your cell phone.
OnStar Phone TTY Mode: This enables
OnStar cell phone TTY mode.
Touch Disable or Enable.
Vehicle
This menu allows adjustment of different
vehicle features. SeeVehicle Personalization
0 110.
Personal
If equipped, this menu allows adjustment of
different user profile settings. See “Users”in
Using the System 0124 for information on
setting up user profiles.
The menu may contain the following:
Name
Touch to edit your user name that will be
displayed in the vehicle.
Vehicle Account Information
Touch to view the vehicle account
information and to change the account
password.
An “unverified user account” pop-up will
display until the account information
verification process has been completed on
the Internet. Check your registered e-mail
account for an activation e-mail to complete
the verification process.
Profile Picture
Touch to choose or change your profile
picture.
Profile Identifiers
Touch to have the vehicle recognize the
identifier you choose. Touch Vehicle Key 1 and/or Vehicle Key 2.
If the Remote Keyless Entry (RKE)
transmitter is lost or stolen, see your dealer.
Security
Touch to have your profile secured with
a PIN.
Touch No or Yes.
Vehicle Name
Touch to edit your vehicle name.
Vehicle Account
Touch to view the vehicle account
information and to change the account
password.
Remove Profile
Touch to remove the profile from the
vehicle.
Touch Remove or Cancel.
Teen Driver
If equipped, this allows multiple keys to be
registered for beginner drivers to encourage
safe driving habits. When the vehicle is
started with a Teen Driver key, it will
automatically activate certain safety
systems, allow setting of some features, and

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Infotainment System 163
limit the use of others. The Report Card will
record vehicle data about driving behavior
that can be viewed later. When the vehicle
is started with a registered key, the Driver
Information Center (DIC) displays a message
that Teen Driver is active.
To access:1. Touch Settings on the Home Page, then touch Vehicle, and then Teen Driver.
2. Create a Personal Identification Number (PIN) by choosing a four-digit PIN.
Re-enter the PIN to confirm. To change
the PIN, touch Change PIN.
The PIN is required to:
.Register or unregister keys.
.Change Teen Driver settings.
.Change or clear the Teen Driver PIN.
.Access or delete Report Card data.
Register keys to activate Teen Driver and
assign restrictions to the key:
Any vehicle key can be registered, up to a
maximum of eight keys. Label the key to
tell it apart from the other keys.
For a pushbutton start system: 1. Start the engine. 2. For automatic transmissions, the vehicle
must be in P (Park). For manual
transmissions, the vehicle must be
stopped with the parking brake set.
3. From the Settings menu, touch Vehicle and then Teen Driver.
4. Enter the PIN.
5. Place the Remote Keyless Entry (RKE) transmitter key you wish to register in
the transmitter pocket. The key does not
need to be the one that started the
vehicle. See Remote Keyless Entry (RKE)
System Operation (Key Access) 09or
Remote Keyless Entry (RKE) System
Operation (Keyless Access) 011 for
transmitter pocket location.
6. From the Teen Driver menu, touch Setup Keys..If the transmitter key has not
previously been registered, the option
to add the key displays. Touch Setup
and a confirmation message displays.
Teen Driver restrictions will be
applied whenever this key is used to
operate the vehicle.
.If the transmitter key has already
been registered, the option to
remove the key displays. If Remove is
touched, the transmitter key is no longer registered. A confirmation
message displays, and Teen Driver
restrictions will not be applied if this
transmitter key is used to operate
the vehicle.
In vehicles with a pushbutton start system,
if a Teen Driver and a non-Teen Driver key
are both present at start up, the vehicle will
recognize the non-Teen Driver key to start
the vehicle. The Teen Driver settings will not
be active.
For a keyed ignition system: 1. Start the engine.
2. For automatic transmissions, the vehicle must be in P (Park). For manual
transmissions, the vehicle must be
stopped with the parking brake set.
3. From the Settings menu, touch Vehicle and then Teen Driver.
4. Enter the PIN.
5. Touch Setup Keys. The system displays instructions for registering or
unregistering a key. A confirmation
message displays.