Page 25 of 404

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
24 In Brief
Fuel
Regular Unleaded Fuel
Use only Regular 87 octane—
(R+M)/2 —or higher unleaded
gasoline in your vehicle. TOP TIER
Detergent Gasoline is
recommended. Do not use gasoline
with an octane rating lower as it will
result in reduced performance and
lower fuel economy. See
Recommended Fuel 0240.
E85 or FlexFuel
No E85 or FlexFuel
Gasoline-ethanol fuel blends greater
than E15 (15% ethanol by volume),
such as E85, cannot be used in this
vehicle.
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change.
Resetting the Oil Life System
1. Display the REMAINING OIL LIFE on the DIC. See Driver
Information Center (DIC) (Base
and Midlevel) 0144 or
Driver Information Center (DIC)
(Uplevel) 0147.
2. Press and hold the thumbwheel on the DIC while
the Oil Life display is active. 3. Confirm yes, and the oil life will
change to 100%.
See Engine Oil Life System 0267.
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
.
Set the climate controls to the
desired temperature after the
engine is started, or turn them
off when not required.
. On AWD vehicles, see Driver
Mode Control 0210.
. Avoid fast starts and accelerate
smoothly.
. Brake gradually and avoid
abrupt stops.
. Avoid idling the engine for long
periods of time.
. When road and weather
conditions are appropriate, use
cruise control.
Page 26 of 404
Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
In Brief 25
.Always follow posted speed
limits or drive more slowly when
conditions require.
. Keep vehicle tires properly
inflated.
. Combine several trips into a
single trip.
. Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
. Follow recommended scheduled
maintenance.Roadside Assistance
Program
U.S.: 1-800-243-8872
TTY Users (U.S. Only):
1-888-889-2438
Canada: 1-800-268-6800
New Chevrolet owners are
automatically enrolled in the
Roadside Assistance Program.
See Roadside Assistance Program
0 370.
Page 27 of 404

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
26 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 27
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 27
Remote Vehicle Start . . . . . . . . . . 34
Door Locks . . . . . . . . . . . . . . . . . . . . 35
Power Door Locks . . . . . . . . . . . . . 38
Delayed Locking . . . . . . . . . . . . . . . 38
Automatic Door Locks . . . . . . . . . 38
Lockout Protection . . . . . . . . . . . . . 38
Safety Locks . . . . . . . . . . . . . . . . . . . 39
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 40
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 47
Vehicle Alarm System . . . . . . . . . 47
Immobilizer . . . . . . . . . . . . . . . . . . . . 48
Immobilizer Operation . . . . . . . . . 48
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 49
Power Mirrors . . . . . . . . . . . . . . . . . . 49 Folding Mirrors . . . . . . . . . . . . . . . . . 49
Heated Mirrors . . . . . . . . . . . . . . . . . 50
Automatic Dimming Mirror . . . . . 50
Reverse Tilt Mirrors . . . . . . . . . . . . 50
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 50
Manual Rearview Mirror . . . . . . . . 50
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 50
Rear Camera Mirror . . . . . . . . . . . . 51
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 53
Power Windows . . . . . . . . . . . . . . . 53
Sun Visors . . . . . . . . . . . . . . . . . . . . . 55
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 56
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.
Page 28 of 404

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Keys, Doors, and Windows 27
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.
See your dealer if a new transmitter
is needed.
If locked out of the vehicle, see
Roadside Assistance Program
0370.
With an active OnStar or connected
service plan, an OnStar Advisor
may remotely unlock the vehicle.
See OnStar Overview 0380.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
0 376.
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.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System 027.
Page 29 of 404

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
28 Keys, Doors, and Windows
With Remote Start and PowerLiftgate
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 0151. 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 0151. If a
passenger door is open when
Qis
pressed, all doors lock. Pressing
Qmay also arm the
theft-deterrent system. See Vehicle
Alarm System 047.
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 0151. The turn
signal indicators may flash to
indicate unlocking has occurred.
See Vehicle Personalization 0151.
Pressing
Kmay also disarm the
theft-deterrent system. See Vehicle
Alarm System 047.
If equipped with remote windows,
press and hold
Kto remotely open
the windows, if enabled. See
Vehicle Personalization 0151.
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 034.
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
Page 30 of 404

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Keys, Doors, and Windows 29
liftgate or door being opened. There
will be buttons on the outside door
handles.
Keyless Access can be
programmed to unlock all doors on
the first lock/unlock press from the
driver door. SeeVehicle
Personalization 0151.
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to
seating positions of memory 1 or 2.
See Memory Seats 064.
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
Page 31 of 404

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
30 Keys, Doors, and Windows
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
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.
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
0 151.
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 0151. 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 0151.
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 35.
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
Page 32 of 404

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Keys, Doors, and Windows 31
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. Press the button on the side of the RKE transmitter and pull
the key out. Never pull the key
out without pressing the button.
2. Remove the key lock cylinder cap on the driver door handle.
See Door Locks 035. Place
the two recognized transmitters
in the cupholder. 3. 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 #2, 3, 4, ETC.
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 3–5.
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 035.
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.