lock CHEVROLET BLAZER 2020 Owner's Manual

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
Introduction 3
Danger, Warning, and
Caution
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
{Danger
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{Warning
Warning indicates a hazard that
could result in injury or death.
Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means“Do
not,” “Do not do this,” or“Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M: Shown when the owner ’s
manual has additional instructions
or information.
*: Shown when the service
manual has additional instructions
or information.
0: Shown when there is more
information on another page —
“see page.”
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. See the
features in this manual for
information.
u: Air Conditioning System
G: Air Conditioning Refrigerant Oil
9:Airbag Readiness Light
!: Antilock Brake System (ABS)
$:Brake System Warning Light
9:Dispose of Used Components
Properly
P: Do Not Apply High Pressure
Water
B: Engine Coolant Temperature
_: Flame/Fire Prohibited
H:Flammable
[:Forward Collision Alert

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
4 Introduction
R:Fuse Block Cover Lock
Location
+: Fuses
j:ISOFIX/LATCH System Child
Restraints
Q: Keep Fuse Block Covers
Properly Installed
|: Lane Change Alert
@:Lane Departure Warning
A:Lane Keep Assist
*: Malfunction Indicator Lamp
::Oil Pressure
X:Park Assist
~:Pedestrian Ahead Indicator
O:Power
7:Rear Cross Traffic Alert
I:Registered Technician
/:Remote Vehicle Start
>:Seat Belt Reminders
I: Side Blind Zone Alert
h:Stop/Start
7:Tire Pressure Monitor
d:Traction Control/StabiliTrak/
Electronic Stability Control (ESC)
a: Under Pressure
V:Vehicle Ahead Indicator

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
Keys, Doors, and Windows 7
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . 15
Door Locks . . . . . . . . . . . . . . . . . . . . 17
Power Door Locks . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . . 19
Automatic Door Locks . . . . . . . . . 19
Lockout Protection . . . . . . . . . . . . . 20
Safety Locks . . . . . . . . . . . . . . . . . . . 20
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 21
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 28
Vehicle Alarm System . . . . . . . . . 28
Immobilizer . . . . . . . . . . . . . . . . . . . . 29
Immobilizer Operation . . . . . . . . . 29
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 30
Power Mirrors . . . . . . . . . . . . . . . . . . 30 Folding Mirrors . . . . . . . . . . . . . . . . . 30
Heated Mirrors . . . . . . . . . . . . . . . . . 31
Automatic Dimming Mirror . . . . . 31
Reverse Tilt Mirrors . . . . . . . . . . . . 31
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 31
Manual Rearview Mirror . . . . . . . . 31
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 31
Rear Camera Mirror . . . . . . . . . . . . 32
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 34
Power Windows . . . . . . . . . . . . . . . 34
Sun Visors . . . . . . . . . . . . . . . . . . . . . 36
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 37
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
a Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
8 Keys, Doors, and Windows
The key that is part of the Remote
Keyless Entry (RKE) transmitter can
be used for all locks.
Remove the key by pressing the
button on the side of the RKE
transmitter near the bottom and pull
the key out. Never pull the key out
without pressing the button.
If it becomes difficult to turn the key,
inspect the key blade for debris.
Periodically, clean with a brush or
a pick.
See your dealer if a new transmitter
is needed.
If locked out of the vehicle, see
Roadside Assistance Program
0359.
With an active OnStar or connected
service plan, an OnStar Advisor
may remotely unlock the vehicle.
See OnStar Overview 0369.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
0 365.
If there is a decrease in the Remote
Keyless Entry (RKE) operating
range: .
Check the distance. The
transmitter may be too far from
the vehicle.
. Check the location. Other
vehicles or objects may be
blocking the signal.
. Check the transmitter's battery.
See “Battery Replacement” later
in this section.
. If the transmitter is still not
working correctly, see your
dealer or a qualified technician
for service.
Remote Keyless Entry
(RKE) System Operation
The Keyless Access system allows
for vehicle entry when the Remote
Keyless Entry (RKE) transmitter is
within 1 m (3 ft). See “Keyless
Access Operation” later in this
section.
The RKE transmitter may work up to
60 m (197 ft) away from the vehicle.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
Keys, Doors, and Windows 9
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System08.
With Remote Start and Power
Liftgate
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 0137. If the
driver door is open when
Qis
pressed, and Open Door
Anti-Lockout is enabled, all doors
will lock and then the driver door will immediately unlock. See
Vehicle
Personalization 0137. If a
passenger door is open when
Qis
pressed, all doors lock.
Pressing
Qmay also arm the
theft-deterrent system. See Vehicle
Alarm System 028.
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 0137. The turn
signal indicators may flash to
indicate unlocking has occurred.
See Vehicle Personalization 0137.
Pressing
Kmay also disarm the
theft-deterrent system. See Vehicle
Alarm System 028.
If equipped with remote windows,
press and hold
Kto remotely open
the windows, if enabled. See
Vehicle Personalization 0137.
b:If equipped, press twice quickly
to open or close the liftgate. Press
again to stop the power liftgate.
7: Press and release one time to
initiate vehicle locator. The exterior
lamps flash and the horn chirps
three times. Press and hold
7for at
least three seconds to sound the
panic alarm. The horn sounds and
the turn signals flash for
30 seconds, or until
7is pressed
again or the vehicle is started.
/: If equipped, first press and
release
Qthen 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 015.
Keyless Access Operation
The Keyless Access system allows
the doors to be locked and unlocked
and the liftgate to be accessed
without removing the RKE
transmitter from a pocket, purse,
briefcase, etc. The RKE transmitter
should be within 1 m (3 ft) of the
liftgate or door being opened. There
will be buttons on the outside door
handles.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
10 Keys, Doors, and Windows
Keyless Access can be
programmed to unlock all doors on
the first lock/unlock press from the
driver door. Keyless Access can
also be turned off. SeeVehicle
Personalization 0137.
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to
seating positions of memory 1 or 2.
See Memory Seats 045.
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.
Driver Shown, Passenger Similar
Pressing the lock/unlock button will
cause all doors to lock if any of the
following occur:
. It has been no 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
QandKon 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

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
Keys, Doors, and Windows 11
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.
Disabling Keyless Unlocking may
also be configured underVehicle
Personalization 0137.
Enabling Keyless Unlocking:
With the vehicle off, press and hold
QandKon the RKE transmitter at
the same time for approximately
three seconds. The turn signal
lamps will flash twice quickly to
indicate access is enabled.
Enabling Keyless Unlocking may
also be configured under Vehicle
Personalization 0137.
Passive Locking
This 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” under Vehicle Personalization
0 137.
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 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 0137.
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. See Vehicle
Personalization 0137.
Keyless Liftgate Opening
Press the touch pad in 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 Locks
0 17.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
12 Keys, Doors, and Windows
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. Remove the key lock cylinder cap on the driver door handle.
See Door Locks 017. Place
the two recognized transmitters
in the cupholder. 2. Insert the vehicle key of the
transmitter 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.
3. Place the new transmitter intothe front cupholder.
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 front cupholder 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.
6. Put the key back into the transmitter.
7. Replace the key lock cylinder cap. See Door Locks 017.
Programming without Recognized
Transmitters
If two currently recognized
transmitters are not available, follow
this procedure to program up to
eight transmitters. 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
transmitters you wish to program
must be with you.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
Keys, Doors, and Windows 13
1. Remove the key lock cylindercap on the driver door handle.
See Door Locks 017. Insert
the vehicle key of the
transmitter 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 transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the
next steps. The DIC should now display
READY FOR REMOTE # 1.
4. Place the new transmitter into
the front cupholder.
5. Press ENGINE START/STOP. When the transmitter is
learned, the DIC display will
show that it is ready to program
the next transmitter.
6. Remove the transmitter from the front cupholder and press
the transmitter
KorQbutton.
To program additional
transmitters, repeat Steps 4–6. When all additional transmitters
are programmed, press and
hold ENGINE START/STOP for
12 seconds to exit
programming mode.
7. Put the key back into the transmitter.
8. Replace the key lock cylinder cap. See Door Locks 017.
Starting the Vehicle with a Low
Transmitter 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.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 3/24/20
16 Keys, Doors, and Windows
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 transmitter. See
Remote Keyless Entry (RKE)
System08.
Starting the Engine Using Remote
Start
1. Press and release
Qon the
RKE transmitter.
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 RKE transmitter 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.
Conditions in Which Remote Start
Will Not Work
The remote start will not operate if
any of the following occur:
. An RKE transmitter 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.