headlamp CHEVROLET BLAZER 2021 Owner's Manual

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Introduction 5
1.Air Vents 0186.
2. Turn Signal Lever. See Turn and
Lane-Change Signals 0124.
3. Instrument Cluster (Base and Midlevel)
090 or
Instrument Cluster (Uplevel) 093.
4. Windshield Wiper/Washer 084.
Rear Window Wiper/Washer 085.
5. ENGINE START/STOP Button. See Ignition
Positions 0200.
6. Light Sensor. See Automatic Headlamp
System 0123.
7. Infotainment. See Overview0129.
8. Glove Box Button. See Glove Box076.
Traction Control/Electronic Stability
Control 0213.
9. Heated and Ventilated Front Seats 040
(If Equipped).
10. Dual Automatic Climate Control System
0182.
11. USB Port 0137 (If Equipped).
12. Wireless Charging 087 (If Equipped).
13. Shift Lever. See Automatic Transmission
0 207 (If Equipped). 14.
All-Wheel Drive 0210 (If Equipped).
Driver Mode Control 0214 (If Equipped).
Park Assist Button. See Assistance
Systems for Parking or Backing 0227 (If
Equipped).
Lane Keep Assist (LKA) 0237 (If
Equipped).
15. Hazard Warning Flashers 0124.
Stop/Start Disable Switch. See Stop/Start
System 0203.
16. Steering Wheel Controls 083 (If
Equipped).
Driver Information Center (DIC) Buttons.
See Driver Information Center (DIC) (Base
and Midlevel) 0107 or
Driver Information Center (DIC) (Uplevel)
0 110.
17. Horn 084.
18. Steering Wheel Adjustment 083 (Out
of View).
19. Cruise Control 0215.
Adaptive Cruise Control (Advanced) 0217
(If Equipped).
Forward Collision Alert (FCA) System
0 230 (If Equipped).
Heated Steering Wheel 083 (If
Equipped). 20. Hood Release. See
Hood0255.
21. Electric Parking Brake 0211.
22. Exterior Lamp Controls 0121.
Instrument Panel Illumination Control
0 124.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
26 Keys, Doors, and Windows
Memory Mirrors
The vehicle may have memory mirrors. See
Memory Seats038.
Lane Change Alert (LCA)
The vehicle may have LCA. See Lane Change
Alert (LCA) 0236.
Side Blind Zone Alert
The vehicle may have Side Blind Zone Alert.
See Side Blind Zone Alert (SBZA) 0236.
Folding Mirrors
Manual Folding Mirrors
The mirrors can be folded inward toward
the vehicle to prevent damage when going
through an automatic car wash. Push the
mirror outward to return it to the original
position.
Heated Mirrors
If equipped, the heated outside mirrors turn
on when the rear window defogger is on
and help to clear fog or frost from the
surface of the mirrors.
1:This button is on the climate control
panel. See
“Rear Window Defogger” underDual
Automatic Climate Control System 0182.
Automatic Dimming Mirror
The vehicle has an automatic dimming
outside mirror on the driver side. The mirror
will adjust for the glare of headlamps
behind you.
Reverse Tilt Mirrors
If equipped with reverse tilt mirrors and
memory seats, the passenger and/or driver
mirror tilts to a preselected position when
the vehicle is in R (Reverse). This allows the
curb to be seen when parallel parking.
The mirror(s) may move from their tilted
position when:
.The vehicle is shifted out of R (Reverse),
or remains in R (Reverse) for about
30 seconds.
.The vehicle is turned off.
.The vehicle is driven in R (Reverse) above
a set speed.
To turn this feature on or off, see Vehicle
Personalization 0113.
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear view
of the area behind your vehicle.
Do not spray glass cleaner directly on the
mirror. Use a soft towel dampened with
water.
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.
Rear Camera Mirror
If equipped, this automatic dimming mirror
provides a wide angle camera view of the
area behind the vehicle.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
28 Keys, Doors, and Windows
.Tilt
{Warning
The Rear Camera Mirror (RCM) has a
limited view. Portions of the road,
vehicles, and other objects may not be
seen. Do not drive or park the vehicle
using only this camera. Objects may
appear closer than they are. Check the
outside mirrors or glance over your
shoulder when making lane changes or
merging. Failure to use proper care may
result in injury, death, or vehicle damage.
Troubleshooting
See your dealer for service if a blue screen
and
3are displayed in the mirror, and
the display shuts off. Also, push the tab as
indicated to return to the automatic
dimming mode.
The Rear Camera Mirror may not work
properly or display a clear image if:
.There is glare from the sun or headlamps.
This may obstruct objects from view.
If needed, push the tab to turn off the
display.
.Dirt, snow, or other debris blocks the
camera lens. Clean the lens with a soft
damp cloth, or if equipped, with the Rear
Camera Washer. See Rear Window Wiper/
Washer 085.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
106 Instruments and Controls
Caution (Continued)
by the vehicle warranty. Check the oil
level as soon as possible. Add oil if
required, but if the oil level is within the
operating range and the oil pressure is
still low, have the vehicle serviced.
Always follow the maintenance schedule
for changing engine oil.
This light should come on briefly as the
engine is started. If it does not come on,
have the vehicle serviced by your dealer.
If the light comes on and stays on, it means
that oil is not flowing through the engine
properly. The vehicle could be low on oil
and might have some other system
problem. See your dealer.
Low Fuel Warning Light
A Low Fuel Warning Light near the fuel
gauge comes on briefly when the ignition is
turned on as a check to show it is working.
It also comes on when the fuel gauge
indicator nears empty. The light turns off
when fuel is added. If it does not, have the
vehicle serviced.
Security Light
The security light should come on briefly as
the engine is started. If it does not come on,
have the vehicle serviced by your dealer.
If the system is working normally, the
indicator light turns off.If the light stays on and the engine does
not start, there could be a problem with the
theft-deterrent system. See
Immobilizer
Operation 024.
High-Beam On Light
This light comes on when the high-beam
headlamps are in use. See Headlamp High/
Low-Beam Changer 0122.
IntelliBeam Light
This light comes on when the IntelliBeam
system, if equipped, is enabled. See Exterior
Lamp Controls 0121.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Lighting 121
Lighting
Exterior Lighting
Exterior Lamp Controls . . . . . . . . . . . . . . . . . 121
Exterior Lamps Off Reminder . . . . . . . . . . 122
Headlamp High/Low-Beam Changer . . . . 122
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Daytime Running Lamps (DRL) . . . . . . . . . 123
Automatic Headlamp System . . . . . . . . . . 123
Hazard Warning Flashers . . . . . . . . . . . . . . 124
Turn and Lane-Change Signals . . . . . . . . . 124
Interior Lighting
Instrument Panel IlluminationControl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Courtesy Lamps . . . . . . . . . . . . . . . . . . . . . . . . 125
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Reading Lamps . . . . . . . . . . . . . . . . . . . . . . . . . 125
Lighting Features
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . 126
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Battery Load Management . . . . . . . . . . . . 126
Battery Power Protection . . . . . . . . . . . . . . 127
Exterior Lighting Battery Saver . . . . . . . . . 127
Exterior Lighting
Exterior Lamp Controls
The exterior lamp control is on the
instrument panel to the left of the steering
column.
There are four positions.
O: Turns the exterior lamps off and
deactivates the AUTO mode. Turn
Oagain
to reactivate the AUTO mode.
In Canada, the headlamps will automatically
reactivate when the vehicle is shifted out of
P (Park).
AUTO : Turns the exterior lamps on and off
automatically depending on outside lighting.
;: Turns on the parking lamps including
all lamps, except the headlamps.
5: Turns on the headlamps together with
the parking lamps and instrument panel
lights.
IntelliBeam System
If equipped, this system turns the vehicle's
high-beam headlamps on and off according
to surrounding traffic conditions.
The system turns the high-beam headlamps
on when it is dark enough and there is no
other traffic present.
This light comes on in the instrument
cluster when the IntelliBeam system is
enabled.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
122 Lighting
Turning On and Enabling IntelliBeam
To enable the IntelliBeam system, press
bon the turn signal lever when it is
dark outside and the exterior lamp control is
in AUTO or
5.
Driving with IntelliBeam
The system only activates the high beams
when driving over 40 km/h (25 mph).
The blue high-beam on light appears on the
instrument cluster when the high beams
are on.
There is a sensor near the top center of the
windshield that automatically controls the
system. Keep this area of the windshield
clear of debris to allow for best system
performance. The high-beam headlamps remain on, under
the automatic control, until one of the
following situations occurs:
.The system detects an approaching
vehicle's headlamps.
.The system detects a preceding vehicle's
taillamps.
.The outside light is bright enough that
high-beam headlamps are not required.
.The vehicle's speed drops below 20 km/h
(12 mph).
.The IntelliBeam system is disabled by the
button on the turn signal lever. If this
happens, press
bon the turn signal
lever when the exterior lamp control is in
the AUTO or
5position to reactivate the
IntelliBeam system. The instrument
cluster light will come on to indicate the
IntelliBeam system is reactivated.
The high beams may not turn off
automatically if the system cannot detect
another vehicle's lamps because of any of
the following:
.The other vehicle's lamps are missing,
damaged, obstructed from view,
or otherwise undetected.
.The other vehicle's lamps are covered
with dirt, snow, and/or road spray.
.The other vehicle's lamps cannot be
detected due to dense exhaust, smoke,
fog, snow, road spray, mist, or other
airborne obstructions.
.The vehicle's windshield is dirty, cracked,
or obstructed by something that blocks
the view of the light sensor.
.The vehicle is loaded such that the front
end points upward, causing the light
sensor to aim high and not detect
headlamps and taillamps.
.The vehicle is being driven on winding or
hilly roads.
The IntelliBeam system may need to be
disabled if any of the above conditions exist.
Exterior Lamps Off Reminder
A warning chime sounds if the driver door is
opened while the ignition is off and the
exterior lamps are on.
Headlamp High/Low-Beam
Changer
Push the turn signal lever away from you
and release, to turn the high beams on. To
return to low beams, push the lever again
or pull it toward you and release.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Lighting 123
This indicator light turns on in the
instrument cluster when the high-beam
headlamps are on.
Flash-to-Pass
To flash the high beams, pull the turn signal
lever toward you, and release.
Daytime Running Lamps (DRL)
DRL can make it easier for others to see the
front of your vehicle during the day. Fully
functional DRL are required on all vehicles
first sold in Canada.
The dedicated DRL will come on when all of
the following conditions are met:
.The ignition is on.
.The exterior lamp control is in AUTO.
.The light sensor determines it is daytime.
.The parking brake is released or the
vehicle is not in P (Park).
The taillamps, instrument panel lights, and
other lamps will not be on. The DRL turn off when the headlamps are
turned to
Oor the ignition is off. For
vehicles sold in Canada, this control only
works when the vehicle is parked.
Automatic Headlamp System
When the exterior lamp control is set to
AUTO and it is dark enough outside, the
headlamps come on automatically.
There is a light sensor on top of the
instrument panel. Do not cover the sensor.
The system may also turn on the headlamps
when driving through a parking garage or
tunnel. If the vehicle is started in a dark garage, the
automatic headlamp system comes on
immediately. If it is light outside when the
vehicle leaves the garage, there is a slight
delay before the automatic headlamp
system changes to the Daytime Running
Lamps (DRL). During that delay, the
instrument cluster may not be as bright as
usual. Make sure the instrument panel
brightness control is in the full bright
position. See
Instrument Panel Illumination
Control 0124.
When it is bright enough outside, the
headlamps will turn off or may change
to DRL.
The automatic headlamp system turns off
when the exterior lamp control is turned to
Oor the ignition is off.
Lights On with Wipers
If the windshield wipers are activated in
daylight with the engine on, and the
exterior lamp control is in AUTO, the
headlamps, parking lamps, and other
exterior lamps come on. The transition time
for the lamps coming on varies based on
wiper speed. When the wipers are not

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
126 Lighting
Rear Reading Lamps
The rear reading lamps are over the rear
seats or over the rear passenger doors.
Press the lamp lens to turn the rear
passenger reading lamps on or off.
Lighting Features
Entry Lighting
Some exterior lamps turn on briefly at
night, or in areas with limited lighting,
when
Kis pressed on the RKE transmitter.
After about 30 seconds the exterior lamps
turn off. Entry lighting can be disabled
manually by turning the ignition on or to
ACC/ACCESSORY, or by pressing
Qon the
RKE transmitter. When any door is opened,
the remote unlock is pressed, or when the ignition is switched off, all interior lights
turn on and then interior lamps dim to off
within 20 seconds after all doors are closed.
The entry lighting feature for exterior
lighting can be changed. See
“Vehicle
Locator Lights” underVehicle Personalization
0 113.
Exit Lighting
Some exterior lamps 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 when any
door is opened or after the ignition is
turned off. The exterior lamps and dome
lamp remain on after the door is closed for
a set amount of time, then automatically
turn off.
The exterior lamps turn off immediately by
turning the exterior lamp control off.
The exit lighting for exterior lights can be
changed. See Vehicle Personalization 0113.
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.
When the battery's state of charge is low,
the voltage is raised slightly to quickly bring
the charge back up. When the state of
charge is high, the voltage is lowered
slightly to prevent overcharging. If the
vehicle has a voltmeter gauge or a voltage
display on the Driver Information Center
(DIC), you may see the voltage move up or
down. This is normal. If there is a problem,
an alert will be displayed.
The battery can be discharged at idle if the
electrical loads are very high. This is true for
all vehicles. This is because the generator
(alternator) may not be spinning fast
enough at idle to produce all of the power
needed for very high electrical loads.
A high electrical load occurs when several of
the following are on, such as: headlamps,
high beams, rear window defogger, climate
control fan at high speed, heated seats,
engine cooling fans, trailer loads, and loads
plugged into accessory power outlets.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Lighting 127
EPM works to prevent excessive discharge of
the battery. It does this by balancing the
generator's output and the vehicle's
electrical needs. It can increase engine idle
speed to generate more power whenever
needed. It can temporarily reduce the power
demands of some accessories.
Normally, these actions occur in steps or
levels, without being noticeable. In rare
cases at the highest levels of corrective
action, this action may be noticeable to the
driver. If so, a DIC battery voltage and
charging message displays. It is
recommended that the driver reduce the
electrical loads as much as possible. See
Driver Information Center (DIC) (Base and
Midlevel)0107 or
Driver Information Center (DIC) (Uplevel)
0 110.
Battery Power Protection
This feature shuts off the interior lamps if
they are left on for more than 10 minutes
when the ignition is off. This will keep the
battery from draining.
Exterior Lighting Battery Saver
The exterior lamps turn off about 10 minutes
after the ignition is turned off, if the parking
lamps or headlamps have been manually
left on. This protects against draining the
battery. To restart the 10-minute timer, turn
the exterior lamp control to the off position
and then back to the parking lamp or
headlamp position.
To keep the lamps on for more than
10 minutes, the ignition must be on or in
ACC/ACCESSORY.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
192 Driving and Operating
Caution
Operating the vehicle for extended
periods without the front fascia lower air
dam installed can cause improper airflow
to the engine. Reattach the front fascia
air dam after off-road driving.
Loading the Vehicle for Off-Road Driving
{Warning
.Unsecured cargo on the load floor can
be tossed about when driving over
rough terrain. You or your passengers
can be struck by flying objects. Secure
the cargo properly.
.Keep cargo in the cargo area as far
forward and as low as possible. The
heaviest things should be on the floor,
forward of the rear axle.
.Heavy loads on the roof raise the
vehicle's center of gravity, making it
more likely to roll over. You can be
seriously or fatally injured if the
vehicle rolls over. Put heavy loads
inside the cargo area, not on the roof.
For more information about loading the
vehicle, see Vehicle Load Limits 0197.
Environmental Concerns
.Always use established trails, roads, and
areas that have been set aside for public
off-road recreational driving and obey all
posted regulations.
.Do not damage shrubs, flowers, trees,
or grasses or disturb wildlife.
.Do not park over things that burn. See
Parking over Things That Burn 0206.
Driving on Hills
Driving safely on hills requires good
judgment and an understanding of what the
vehicle can and cannot do.
{Warning
Many hills are simply too steep for any
vehicle. Driving up hills can cause the
vehicle to stall. Driving down hills can
cause loss of control. Driving across hills
can cause a rollover. You could be injured
or killed. Do not drive on steep hills.
Before driving on a hill, assess the
steepness, traction, and obstructions. If the
terrain ahead cannot be seen, get out of the
vehicle and walk the hill before driving
further. When driving on hills:
.Use a low gear and keep a firm grip on
the steering wheel.
.Maintain a slow speed.
.When possible, drive straight up or down
the hill.
.Slow down when approaching the top of
the hill.
.Use headlamps even during the day to
make the vehicle more visible.
{Warning
Driving to the top of a hill at high speed
can cause a crash. There could be a
drop-off, embankment, cliff, or even
another vehicle. You could be seriously
injured or killed. As you near the top of a
hill, slow down and stay alert.
.Never go downhill forward or backward
with the transmission in N (Neutral). The
brakes could overheat and you could lose
control.
.When driving down a hill, keep the
vehicle headed straight down. Use a low
gear because the engine will work with
the brakes to slow the vehicle and help
keep the vehicle under control.