2021 CHEVROLET TRAILBLAZER personalization

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Keys, Doors, and Windows 9
Remote Keyless Entry (RKE)
System
SeeRadio Frequency Statement 0340.
If there is a decrease in the remote key
operating range:
.Check the distance. The remote key may
be too far from the vehicle.
.Check the location. Other vehicles or
objects may be blocking the signal.
.Check the remote key battery. See
“Battery Replacement” later in this
section.
.If the remote key is still not working
correctly, see your dealer or a qualified
technician for service.
Remote Keyless Entry (RKE)
System Operation (Key Access)
The RKE transmitter may work up to 60 m
(197 ft) away from the vehicle.
Other conditions can affect the performance
of the transmitter. See Remote Keyless Entry
(RKE) System 09.
The following may be available:
Q:Press to lock all doors and, if equipped,
the locking fuel door. The hazard warning
lamps may flash and/or the horn may
sound on the second press to indicate
locking. See Vehicle Personalization 0110.
If the driver door is open when
Qis pressed
and enabled through vehicle personalization,
all doors will lock and then the driver door
will immediately unlock. See Vehicle
Personalization 0110.
Pressing
Qmay also arm the alarm system.
See Vehicle Alarm System 029.
K:Press to unlock the driver door. Press
again within five seconds to unlock all
doors.The RKE transmitter can be
programmed to unlock all doors on the first
button press. See Vehicle Personalization
0 110. The hazard warning lamps may flash
to indicate unlocking. See Vehicle
Personalization 0110.
Pressing
Kwill disarm the alarm system.
See Vehicle Alarm System 029.
If equipped, pressing
Kwill also unlock the
fuel door.
/: If equipped, pressQand then press
and hold
/to start the engine from
outside the vehicle using the RKE
transmitter. See Remote Vehicle Start 017.
The RKE transmitter buttons will not operate
when the key is in the ignition.
Programming Keys to the Vehicle
Only RKE keys programmed to this vehicle
will work. If a key is lost or stolen, a
replacement can be purchased and
programmed through your dealer. When the
replacement key is programmed to this
vehicle, all remaining keys must also be

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
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12 Keys, Doors, and Windows
The RKE transmitter functions may work up
to 60 m (197 ft) away from the vehicle.
Other conditions can impact the
performance of the transmitter. SeeRemote
Keyless Entry (RKE) System 09.
Q:Press to lock all doors. The turn signal
indicators may flash and/or the horn may
sound on the second press to indicate
locking. See Vehicle Personalization 0110.
If the driver door is open when
Qis
pressed, and Open Door Anti-Lockout is
enabled through vehicle personalization, all
doors will lock and then the driver door will
immediately unlock. See Vehicle
Personalization 0110. If the passenger door
is open when
Qis pressed, all doors lock. Pressing
Qmay also arm the theft-deterrent
system. See Vehicle Alarm System 029.
K:Press to unlock the driver door. Press
unlock again within five seconds to unlock
all doors. The RKE transmitter can be
programmed to unlock all doors on the first
button press. See Vehicle Personalization
0 110. When remotely unlocking the vehicle
at night the back-up lamps will come on for
about 30 seconds to light your approach to
the vehicle. The turn signal indicators may
flash to indicate unlocking. See Vehicle
Personalization 0110.
Pressing
Kwill disarm the theft-deterrent
system. See Vehicle Alarm System 029.
/:Press and releaseQand then
immediately press and hold
/for at least
four seconds to start the engine from
outside the vehicle using the RKE
transmitter. See Remote Vehicle Start 017.
7:Press and release one time to initiate
vehicle locator. The exterior lamps flash and
the horn chirps three times. Press and hold
7for three seconds to sound the panic
alarm. The horn sounds and the turn signal
lamps flash for 30 seconds, or until
7is
pressed again or the vehicle is started.
b: Press twice quickly to open or close
the liftgate.
Press once to stop the liftgate from moving.
Keyless Access Operation
With the Keyless Access system, you can
lock and unlock the doors and access the
liftgate without removing the RKE
transmitter from your pocket, purse,
briefcase, etc. The RKE transmitter should be
within 1 m (3 ft) of the liftgate or door being
opened. The buttons are on the outside door
handles.
Keyless Access can be programmed to
unlock all doors on the first lock/unlock
press from the driver door. See Vehicle
Personalization 0110.
Keyless Unlocking/Locking from the
Driver Door
When the doors are locked and the RKE
transmitter is within 1 m (3 ft) of the driver
door handle, pressing the lock/unlock button
on the driver door handle will unlock the
driver door. If the lock/unlock button is
pressed again within five seconds, all
passenger doors will unlock.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
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Keys, Doors, and Windows 13
Driver Shown, Passenger Similar
Pressing the lock/unlock button will cause
all doors to lock if any of the following
occur:
.It has been more than five seconds since
the first lock/unlock button press.
.Two lock/unlock button presses were
used to unlock all doors.
.Any vehicle door has opened and all
doors are now closed.
Keyless Unlocking/Locking from Passenger
Doors
When the doors are locked and the RKE
transmitter is within 1 m (3 ft) of the door
handle, pressing the lock/unlock button on
that door handle will unlock all doors. Pressing the lock/unlock button will cause
all doors to lock if any of the following
occur:
.The lock/unlock button was used to
unlock all doors.
.Any vehicle door has opened and all
doors are now closed.
Disable/Enable Keyless Unlocking of Exterior
Door Handles and Liftgate
If equipped, keyless unlocking of the exterior
door handles and liftgate can be disabled
and enabled.
Disabling Keyless Unlocking:
With the vehicle off, press and hold
Qand
Kon the RKE transmitter at the same time
for approximately three seconds. The turn
signal lamps will flash four times quickly to
indicate access is disabled. Using any
exterior handle to unlock the doors or open
the liftgate will cause the turn signal lamps
to flash four times quickly, indicating access
is disabled. If disabled, disarm the alarm
system before starting the vehicle. Enabling Keyless Unlocking:
With the vehicle off, press and hold
Qand
Kon the RKE transmitter at the same time
for approximately three seconds. The turn
signal lamps will flash twice quickly to
indicate access is enabled.
Passive Locking
The vehicle will lock several seconds after all
doors are closed if the vehicle is off and at
least one RKE transmitter has been removed
or none remain in the interior.
If other electronic devices interfere with the
RKE transmitter signal, the vehicle may not
detect the RKE transmitter inside the vehicle.
If passive locking is enabled, the doors may
lock with the RKE transmitter inside the
vehicle. Do not leave the RKE transmitter in
an unattended vehicle.
To customize the doors to automatically lock
when exiting the vehicle, see “Remote Lock,
Unlock, Start” underVehicle Personalization
0 110.
Temporary Disable of Passive Locking
Temporarily disable passive locking by
pressing and holding
Kon the interior door
switch with a door open for at least
four seconds, or until three chimes are

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
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14 Keys, Doors, and Windows
heard. Passive locking will then remain
disabled until
Qon the interior door is
pressed, or until the vehicle is turned on.
Remote Left in Vehicle Alert
When the vehicle is turned off and an RKE
transmitter is left in the vehicle, the horn
will chirp three times after all doors are
closed. To turn on or off see Vehicle
Personalization 0110.
Remote No Longer in Vehicle Alert
If the vehicle is on with a door open, and
then all doors are closed, the vehicle will
check for RKE transmitters inside. If an RKE
transmitter is not detected, the Driver
Information Center (DIC) will display NO
REMOTE DETECTED and the horn will chirp
three times. This occurs only once each time
the vehicle is driven.
Keyless Liftgate Opening
Press the touch pad on the liftgate handle
to open the liftgate if the RKE transmitter is
within 1 m (3 ft).
Key Access
To access a vehicle with a weak transmitter
battery, see Door Locks019.
Programming Transmitters to the Vehicle
Only RKE transmitters programmed to the
vehicle will work. If a transmitter is lost or
stolen, a replacement can be purchased and
programmed through your dealer. The
vehicle can be reprogrammed so that lost or
stolen transmitters no longer work. Each
vehicle can have up to eight transmitters
matched to it.
Programming with Recognized Transmitters
A new transmitter can be programmed to
the vehicle when there are two recognized
transmitters.
To program, the vehicle must be off and all
of the transmitters, both currently
recognized and new, must be with you.
1. Place the two recognized transmitters in transmitter pocket.
2. Insert the vehicle key of the new transmitter into the key lock cylinder on
the outside of the driver door and turn
the key to the unlock position five times
within 10 seconds.
The DIC displays READY FOR REMOTE #2,
3, 4, ETC.
3. Remove the two recognized transmittersfrom transmitter pocket. Place the new
transmitter in transmitter pocket.
4. Press ENGINE START/STOP. When the transmitter is learned the DIC display
will show that it is ready to program the
next transmitter.
5. Remove the transmitter from the transmitter pocket and press the
transmitter
KorQbutton.
To program additional transmitters,
repeat Steps 3–5.
When all additional transmitters are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Keys, Doors, and Windows 21
Q:Press to lock the doors.
K:Press to unlock the doors.
Delayed Locking
This feature delays the locking of the doors
until five seconds after all doors are closed.
When
Qis pressed on the power door lock
switch while the door is open, a chime will
sound three times indicating delayed locking
is active.
The doors will lock automatically
five seconds after all doors are closed. If a
door is reopened before that time, the
five-second timer will reset when all doors
are closed again.
Press
Qon the door lock switch again or
press
Qon the RKE transmitter to lock the
doors immediately.
This feature can also be programmed. See
Vehicle Personalization 0110.
Automatic Door Locks
The doors will lock automatically when all
doors are closed, the ignition is on, and the
vehicle is shifted out of P (Park). To unlock the doors:
.PressKon the power door lock switch.
.Shift into P (Park).
Automatic door locking cannot be disabled.
Automatic door unlocking can be
programmed. See Vehicle Personalization
0 110.
Lockout Protection
If the ignition is on or in ACC/ACCESSORY
and the power door lock switch is pressed
with the driver door open, all the doors will
lock and only the driver door will unlock.
If the vehicle is off and locking is requested
while a door is open, when all doors are
closed the vehicle will check for RKE
transmitters inside. If an RKE transmitter is
detected and the number of RKE
transmitters inside has not reduced, the
driver door will unlock and the horn will
chirp three times.
Lockout Protection can be manually
overridden with the driver door open by
pressing and holding
Qon the power door
lock switch. Open Door Anti-Lockout
If Open Door Anti-Lockout has been turned
on and the vehicle is off, the driver door is
open, and locking is requested, all the doors
will lock and the driver door will remain
open. The Open Door Anti-Lockout feature
can be turned on or off. See
Vehicle
Personalization 0110.
Safety Locks
The rear door safety locks prevent
passengers from opening the rear doors
from inside the vehicle.
Manual Safety Locks

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
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Keys, Doors, and Windows 25
deactivate. After removing the obstructions,
manually close the liftgate which will allow
normal power operation functions to
resume.
If the vehicle is locked while the liftgate is
closing, and an obstacle is encountered that
prevents the liftgate from completely
closing, the horn will sound as an alert that
the liftgate did not close.
Pinch sensors are on the side edges of the
liftgate. If an object is caught between the
liftgate and the vehicle and presses against
this sensor, the liftgate will reverse direction
and open fully. The liftgate will remain open
until it is activated again or closed
manually.
Setting the 3/4 Mode
To change the position the liftgate stops at
when opening:1. Select MAX or 3/4 mode and power open the liftgate.
2. Stop the liftgate movement at the desired height by pressing any liftgate
switch. Manually adjust the liftgate
position if needed. 3. Press and hold
lto the left of the
latch at the bottom of the liftgate until
the turn signals flash and a beep sounds.
This indicates the setting has been
recorded.
The liftgate cannot be set below a minimum
programmable height. If there is no light
flash or sound, then the height adjustment
may be too low.
Manual Operation
Select OFF to manually operate the liftgate.
See “Manual Liftgate” at the beginning of
this section.
Caution
Attempting to move the liftgate too
quickly and with excessive force may
result in damage to the vehicle.
Operate the liftgate manually with a
smooth motion and moderate speed. The
system includes a feature which limits the
manual closing speed to protect the
components.
Hands-Free Operation
If equipped, the liftgate may be operated
with a kicking motion near the left side of
the rear bumper at the location of the
projected logo. The RKE transmitter must be
within 1 m (3 ft) of the rear bumper to
operate the power liftgate hands-free.
The hands-free feature will not work while
the liftgate is moving. To stop the liftgate
while in motion use one of the liftgate
switches.
The hands-free feature can be customized.
See Vehicle Personalization 0110. Choose
from the following:
On-Open and Close : The kicking motion is
activated to both open and close the
liftgate.
On-Open Only : The kicking motion is
activated to only open the liftgate.
Off : The feature is disabled.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
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Keys, Doors, and Windows 27
The projected logo will not work under
these conditions:
.The vehicle battery is low.
.The transmission is not in P (Park).
.Hands Free Liftgate Control is set to Off
in vehicle personalization. SeeVehicle
Personalization 0110.
.Power liftgate is turned off.
.The vehicle remains parked for 72 hours
or more, with no RKE transmitter use or
Keyless Access operation. To re-enable,
press any button on the RKE transmitter
or open and close a vehicle door. The projected logo will not work for a single
RKE transmitter when a transmitter:
.Has been left within approximately 2 m
(6 ft) of the liftgate for several minutes.
.Has been left inside the vehicle and all
vehicle doors are closed.
.Has approached the area outside of the
liftgate five times within five minutes.
If the logo is continuously on for
five minutes, then the projected logo will
not turn back on for an hour.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
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Seats and Restraints 41
Warning (Continued)
insulates against heat, such as a blanket,
cushion, cover, or similar item. This may
cause the seat heater to overheat. An
overheated seat heater may cause a burn
or may damage the seat.
If equipped, the controls are on the climate
control panel. The engine must be running
to operate the heated seats.
Press
MorLto heat the driver or
passenger seat cushion and seatback.
Press the control once for the highest
setting. With each press of the control, the
heated seat will change to the next lower setting, and then the off setting. Three
lights indicate the highest setting and one
light the lowest.
The passenger seat may take longer to
heat up.
Remote Start Heated Seats
When it is cold outside, the heated seats
can be turned on automatically during a
remote vehicle start. The heated seats will
be canceled when the ignition is turned on.
Press the heated seat controls to use the
heated seats after the vehicle is started.
The heated seat indicator lights on the
control do not turn on during a remote
start.
The temperature performance of an
unoccupied seat may be reduced. This is
normal.
The heated seats will not turn on during a
remote start unless the heated seat feature
is enabled in the vehicle
personalization menu.
See
Remote Vehicle Start 017 and
Vehicle Personalization 0110.
Folding Seatback
The front passenger seatback may fold flat.
{Warning
If you fold the seatback forward to carry
longer objects, such as skis, be sure any
such cargo is not near an airbag. In a
crash, an inflating airbag might force that
object toward a person. This could cause
severe injury or even death. Secure
objects away from the area in which an
airbag would inflate. Where Are the
Airbags? 052. Vehicle Load Limits 0187.
{Warning
Things you put on this seatback can
strike and injure people in a sudden stop
or turn, or in a crash. Remove or secure
all items before driving.
To fold the seatback: 1. Lower the head restraint all the way. See Head Restraints 036.
2. Move the seat as far back as possible. See Seat Adjustment 038 or
Power Seat Adjustment 038.