CHEVROLET BLAZER 2023 User Guide

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
10 Keys, Doors, and Windows
To view available settings for this feature,
touch the Settings icon on the infotainment
home page. Select“Vehicle”to display the
list of available options and select “Remote
Lock, Unlock, Start”.
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
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
remote key is left in the vehicle, the horn
will chirp three times after all doors are
closed. To view available settings for this
feature, touch the Settings icon on the
infotainment home page. Select “Vehicle”to
display the list of available options and
select “Remote Lock, Unlock, Start”.
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 remote keys inside. If an remote
key 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. To view available settings
for this feature, touch the Settings icon on
the infotainment home page. Select
“Vehicle”
to display the list of available
options and select “Remote Lock, Unlock,
Start”.
Keyless Liftgate Opening
Press the touch pad in the liftgate handle to
open the liftgate if the remote key is within
1 m (3 ft).
Key Access
To access a vehicle with a weak remote key
battery, see Door Locks015.
Programming Remote Keys to the
Vehicle
Only remote keys programmed to the
vehicle will work. If a remote key is lost or
stolen, a replacement can be purchased and
programmed through your dealer. The
vehicle can be reprogrammed so that lost or
stolen remote keys no longer work. Each
vehicle can have up to eight remote keys
matched to it. Programming with Recognized Remote Keys
A new remote key can be programmed to
the vehicle when there are two recognized
remote keys.
To program, the vehicle must be off and all
of the remote keys, both currently
recognized and new, must be with you.
1. Remove the key lock cylinder cap on the driver door handle. See Door Locks015.
Place the two recognized remote keys in
the cupholder.
2. Insert the vehicle key of the remote key into the key lock cylinder on the driver
door handle and turn the key,
counterclockwise, to the unlock position
five times within 10 seconds.
The DIC displays READY FOR REMOTE #3,
4, 5, ETC.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
Keys, Doors, and Windows 11
3. Place the new remote key into the frontcupholder.
4. Press ENGINE START/STOP. When the remote key is learned, the DIC display
will show that it is ready to program the
next remote key.
5. Remove the remote key from the front cupholder and press the remote key
K
orQbutton.
To program additional remote keys,
repeat Steps 3–5.
When all additional remote keys are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.
6. Put the key back into the remote key. 7. Replace the key lock cylinder cap. See
Door Locks 015.
Programming without Recognized
Remote Keys
If two currently recognized remote keys are
not available, follow this procedure to
program up to eight remote keys. This
feature is not available in Canada. This
procedure will take approximately
30 minutes to complete. The vehicle must
be off and all of the remote keys you wish
to program must be with you. 1. Remove the key lock cylinder cap on the driver door handle. See Door Locks015.
Insert the vehicle key of the remote key
into the key lock cylinder on the driver
door handle and turn the key,
counterclockwise, to the unlock position
five times within 10 seconds.
The DIC displays REMOTE LEARN
PENDING, PLEASE WAIT.
2. Wait for 10 minutes until the DIC displays PRESS ENGINE START BUTTON TO
LEARN and then press ENGINE
START/STOP.
The DIC will again display REMOTE LEARN
PENDING, PLEASE WAIT. 3. Repeat Step 2 two additional times. After
the third time all previously known
remote keys will no longer work with
the vehicle. Remaining remote keys can
be relearned during the next steps.
The DIC should now display READY FOR
REMOTE # 1.
4. Place the new remote key into the frontcupholder.
5. Press ENGINE START/STOP. When the remote key is learned, the DIC display
will show that it is ready to program the
next remote key.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
12 Keys, Doors, and Windows
6. Remove the remote key from the frontcupholder and press the remote key
K
orQbutton.
To program additional remote keys,
repeat Steps 4–6.
When all additional remote keys are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.
7. Put the key back into the remote key.
8. Replace the key lock cylinder cap. See Door Locks 015.
Starting the Vehicle with a Low Remote
Key Battery
When the vehicle is started, if the
transmitter battery is weak, the DIC may
display NO REMOTE DETECTED or NO
REMOTE KEY WAS DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN START YOUR
VEHICLE. The DIC may then display REPLACE
BATTERY IN REMOTE KEY. To start the vehicle:
1. Place the transmitter in the front
cupholder.
2. With the vehicle in P (Park) or N (Neutral), press the brake pedal and
ENGINE START/STOP.
Replace the transmitter battery as soon
as possible.
Battery Replacement
{Warning
Never allow children to play with the
remote key. The remote key contains a
small battery, which can be a choking
(Continued)
Warning (Continued)
hazard. If swallowed, internal burns can
occur, resulting in severe injury or death.
Seek medical attention immediately if a
battery is swallowed.
{Warning
To avoid personal injury, do not touch
metal surfaces on the remote key when
it has been exposed to extreme heat.
These surfaces can be hot to the touch at
temperatures above 59 °C (138 °F).
Caution
When replacing the battery, do not touch
any of the circuitry on the remote key.
Static from your body could damage the
remote key.
Caution
Always replace the battery with the
correct type. Replacing the battery with
an incorrect type could potentially create
(Continued)

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 13
Caution (Continued)
a risk of battery explosion. Dispose of
used batteries according to instructions
and local laws. Do not attempt to burn,
crush, or cut the used battery, and avoid
exposing the battery to environments
with extremely low air pressures or high
temperatures.
Caution
If the remote key is not reassembled
properly, liquids could enter the housing
and damage the circuitry, resulting in a
remote key malfunction and/or failure. To
prevent damage, always follow the steps
for remote key reassembly in this manual
to ensure the remote key is sealed
properly whenever the remote key is
opened.
Replace the battery if the DIC displays
REPLACE BATTERY IN REMOTE KEY. The battery is not rechargeable. To replace
the battery:
1. Press the button on the side of the
remote key and pull the key out. Never
pull the key out without pressing the
button.
2. Separate the two halves of the remote key using a flat tool inserted into the
area near the key slot.
3. Remove the battery by pushing on thebattery and sliding it toward the bottom
of the remote key. Do not use a metal
object.
4. Insert the new battery, positive side facing the back cover. Push the battery
down until it is held in place. Replace
with a CR2032 or equivalent battery.
5. Ensure that the silicone mat is correctly positioned with no gaps or wrinkles.
6. Set remote key button side down on a hard surface and press the other half
straight down to force the halves
together.
7. Reinsert the key.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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14 Keys, Doors, and Windows
Remote Vehicle Start
If equipped, this feature allows the engine
to be started from outside of the vehicle.
/:This button will be on the remote key
if the vehicle has remote start.
The climate control system will use the
previous settings during a remote start. The
rear defog may come on during a remote
start based on cold ambient conditions. The
rear fog indicator light does not come on
during a remote start.
If the vehicle has auto heated or ventilated
seats, they may come on during a remote
start. See Heated and Ventilated Front Seats
0 41.
If equipped with a remote start heated
steering wheel, it may come on during a
remote start when it is cold outside,
if enabled. See Heated Steering Wheel 085.
To view available settings for this feature,
touch the Settings icon on the infotainment
home page. Select “Vehicle”to display the
list of available options and select “Comfort
and Convenience”.
Laws in some local communities may restrict
the use of remote starters. For example,
some laws may require a person using remote start to have the vehicle in view.
Check local regulations for any
requirements.
Do not use the remote start feature if the
vehicle is low on fuel. The vehicle could run
out of fuel.
Other conditions can affect the performance
of the remote key. See
Remote Key07.
Starting the Engine Using Remote Start
1. Press and release
Qon the remote key.
2. Immediately press and hold
/for at
least four seconds or until the turn
signal lamps flash. The turn signal lamps
flashing confirms the request to remote
start the vehicle has been received.
During the remote start the doors will be
locked and the parking lamps will remain
on as long as the engine is running.
The engine will shut off after 15 minutes
unless a time extension is done or the
vehicle is started.
3. With the remote key in the vehicle, press the brake pedal and start the
vehicle to drive. Extending Engine Run Time
The engine run time can also be extended
by another 15 minutes, if during the first
15 minutes Steps 1 and 2 are repeated while
the engine is still running. An extension can
be requested 30 seconds after starting. This
provides a total of 30 minutes.
The remote start can only be extended once.
When the remote start is extended, the
second 15-minute period is added on to the
first 15 minutes for a total of 30 minutes.
A maximum of two remote starts, or a
remote start with an extension, are allowed
between ignition cycles.
The vehicle must be started normally before
the remote start procedure can be used
again.
Canceling a Remote Start
To cancel a remote start, do any of the
following:
.Press and hold/until the parking lamps
turn off.
.Turn on the hazard warning flashers.
.Turn the vehicle on and then off.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 15
Conditions in Which Remote Start Will
Not Work
The remote start will not operate if any of
the following occur:
.An remote key is in the vehicle.
.The hood is not closed.
.The ignition is in any mode other
than off.
.The hazard warning flashers are on.
.There is an emission control system
malfunction.
.The engine coolant temperature is
too high.
.The oil pressure is low.
.Two remote vehicle starts or a start with
an extension have already been used.
.The vehicle is not in P (Park).
Door Locks
{Warning
Unlocked doors can be dangerous.
.Passengers, especially children, can
easily open the doors and fall out of a
moving vehicle. The doors can be
unlocked and opened while the vehicle(Continued)
Warning (Continued)
is moving. The chance of being thrown
out of the vehicle in a crash is
increased if the doors are not locked.
So, all passengers should wear seat
belts properly and the doors should be
locked whenever the vehicle is driven.
.Young children who get into unlocked
vehicles may be unable to get out.
A child can be overcome by extreme
heat and can suffer permanent injuries
or even death from heat stroke.
Always lock the vehicle whenever
leaving it.
.Outsiders can easily enter through an
unlocked door when you slow down
or stop the vehicle. Locking the doors
can help prevent this from happening.
To lock or unlock the doors from the
outside:
.PressQorKon the remote key. See
Remote Key Operation 07.
.In the case of a dead battery, use the key
in the driver door. The key lock cylinder is
covered with a cap. To lock or unlock the doors from the inside:
.PressQorKon the power door lock
switch.
.Push down on a door lock knob to lock
a door.
.Pull the door handle once to unlock the
door. Pull the handle again to unlatch it.
Keyless Access
The remote key must be within 1 m (3 ft) of
the liftgate or door being opened. Press the
button on the door handle to unlock. See
“Keyless Access Operation” inRemote Key
Operation 07.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
16 Keys, Doors, and Windows
Driver Door Key Lock Cylinder Access (In
Case of Dead Battery)
To access the driver door key lock cylinder:1. Pull the door handle (1) to the open position and hold it open until cap
removal is complete.
2. Insert the key into the slot (3) on the bottom of the cap (2) and lift the key
upward.
3. Move the cap (2) rearward and remove.
4. Use the key in the cylinder.
To replace the cap: 1. Pull the door handle (1) to the open position and hold it open until cap
installation is complete.
2. Insert the two tabs (6) at the back of thecap between the seal (5) and the metal
base (4).3. Slide the cap forward and press theforward edge to install the cap in place.
4. Release the door handle.
5. Check that the cap is secure.
Free-Turning Locks
The door key lock cylinder turns freely when
either the wrong key is used, or the correct
key is not fully inserted. The free-turning
door lock feature prevents the lock cylinder
from being forced open. To reset the lock
cylinder, ensure the correct key is fully
inserted into the lock cylinder. Rotate the
key until you feel the lock cylinder click
back into place. Remove the key and
reinsert fully, rotate the key to unlock the
vehicle.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 17
Power Door Locks
Q:Press to lock the doors. The indicator
light in the switch will illuminate when
locked.
K: Press to unlock the doors.
Delayed Locking
This feature delays the locking of the doors
until five seconds after all doors are closed.
Delayed locking can only be turned on when
the Open Door Anti-Lockout feature has
been turned off. 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. To
view available settings for this feature,
touch the Settings icon on the infotainment
home page. Select “Vehicle”to display the
list of available options and select “Power
Door Locks”.
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).
If a vehicle door is unlocked and then
opened and closed, the doors will lock either
when your foot is removed from the brake
or the vehicle speed becomes faster than
13 km/h (8 mph). To unlock the doors:
.PressKon a door.
.Shift the transmission into P (Park).
Automatic door locking cannot be disabled.
Automatic door unlocking can be
programmed. To view available settings for
this feature, touch the Settings icon on the
infotainment home page. Select “Vehicle”to
display the list of available options and
select “Power Door Locks”.
Lockout Protection
If the ignition is on or in accessory mode
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 remote keys
inside. If an remote key is detected and the
number of remote keys inside has not
reduced, the driver door will unlock and the
horn will chirp three times.
Lockout Protection can be manually
overridden by pressing and holding
Qon
the power door lock switch.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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18 Keys, Doors, and Windows
Open Door Anti-Lockout
If Open Door Anti-Lockout is 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 unlock. The
Open Door Anti-Lockout feature can be
turned on or off. To view available settings
from the infotainment screen, touch Settings
> Vehicle > Power Door Locks > Open Door
Anti-Lockout.
Safety Locks
The rear door safety locks prevent
passengers from opening the rear doors
from inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is on the inside
edge of the rear doors. To use the
safety lock:1. Move the lever down to the lock position.
2. Close the door.
3. Do the same for the other rear door.
To open a rear door when the safety lock
is on: 1. Unlock the door by activating the inside handle, by pressing the power door lock
switch, or by using the Remote Keyless
Entry (RKE) transmitter.
2. Open the door from the outside. When the safety lock is enabled, adults and
older children will not be able to open the
rear door from the inside. Cancel the safety
locks to enable the doors to open from the
inside.
To cancel the safety lock:
1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for the other door.
Doors
Liftgate
{Warning
Exhaust gases can enter the vehicle if it
is driven with the liftgate or trunk/hatch
open, or with any objects that pass
through the seal between the body and
the trunk/hatch or liftgate. Engine
exhaust contains carbon monoxide (CO)
which cannot be seen or smelled. It can
cause unconsciousness and even death.
If the vehicle must be driven with the
liftgate or trunk/hatch open:
(Continued)

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 19
Warning (Continued)
.Close all of the windows.
.Fully open the air outlets on or under
the instrument panel.
.Adjust the climate control system to a
setting that brings in only outside air
and set the fan speed to the highest
setting. See“Climate Control Systems”
in the Index.
.If the vehicle is equipped with a
power liftgate, disable the power
liftgate function.
See Engine Exhaust 0198.
Caution
To avoid damage to the liftgate or
liftgate glass, make sure the area above
and behind the liftgate is clear before
opening it.
Manual Liftgate
To open the liftgate, press the touch pad in
the liftgate handle and lift up. Unlocking all
doors will also unlock the liftgate.
Use the pull cup to lower and close the
liftgate. Do not press the touch pad while
closing the liftgate. This will cause the
liftgate to be unlatched.
The liftgate can be opened when locked if
the remote key is within 1 m (3 ft) of the
touch pad. See Remote Key Operation 07.
The liftgate has an electric latch. If the
battery is disconnected or has low voltage,
the liftgate will not open. The liftgate will
resume operation when the battery is
reconnected and charged.
Power Liftgate Operation
{Warning
You or others could be injured if caught
in the path of the power liftgate. Make
sure there is no one in the way of the
liftgate as it is opening and closing.
Caution
Driving with an open and unsecured
liftgate may result in damage to the
power liftgate components.