CHEVROLET BLAZER 2021 Owner's Manual

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
310 Vehicle Care
If the vehicle has an accessory power
outlet, do not use the cigarette lighter.
If the vehicle only has a cigarette lighter,
use the cigarette lighter.
Do not pinch the power plug cord in the
door or window.
9. Start the vehicle. The vehicle must be running while using the air compressor.
10. Press the on/off button (5) to turn the tire sealant and compressor kit on.
The compressor will inject sealant and air
into the tire.
The pressure gauge (8) will initially show
a high pressure while the compressor
pushes the sealant into the tire. Once
the sealant is completely dispersed into
the tire, the pressure will quickly drop
and start to rise again as the tire inflates
with air only.
11. Inflate the tire to the recommended inflation pressure using the pressure
gauge (8). The recommended inflation
pressure can be found on the Tire and
Loading Information label. See Tire
Pressure 0294.
The pressure gauge (8) may read higher
than the actual tire pressure while the
compressor is on. Turn the compressor off to get an accurate pressure reading.
The compressor may be turned on/off
until the correct pressure is reached.
Caution
If the recommended pressure cannot be
reached after approximately 25 minutes,
the vehicle should not be driven farther.
The tire is too severely damaged and the
tire sealant and compressor kit cannot
inflate the tire. Remove the power plug
from the accessory power outlet and
unscrew the inflating hose from the tire
valve. See
Roadside Assistance Program
0 352.
12. Press the on/off button (5) to turn the tire sealant and compressor kit off.
The tire is not sealed and will continue
to leak air until the vehicle is driven and
the sealant is distributed in the tire.
Therefore, Steps 13–21 must be done
immediately after Step 12.
Be careful while handling the tire sealant
and compressor kit as it could be warm
after usage.
13. Unplug the power plug (9) from the accessory power outlet in the vehicle. 14. Turn the sealant/air hose (2)
counterclockwise to remove it from the
tire valve stem.
15. Replace the tire valve stem cap.
16. Remove the tire sealant canister (4) from the slot on top of the compressor (6).
17. Turn the air only hose (10) counterclockwise to remove it from the
tire sealant canister inlet valve (1).
18. Turn the sealant/air hose (2) clockwise onto the sealant canister inlet valve (1)
to prevent sealant leakage.
19. Return the air only hose (10) and power plug (9) back to their original storage
location.
20. If the flat tire was able to inflate to therecommended inflation pressure, remove
the maximum speed label from the
sealant canister and place it in a highly
visible location.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Vehicle Care 311
Do not exceed the speed on this label
until the damaged tire is repaired or
replaced.
21. Return the equipment to its original storage location in the vehicle.
22. Immediately drive the vehicle 8 km (5 mi) to distribute the sealant in
the tire.
23. Stop at a safe location and check the tire pressure. Refer to Steps 1–10 under
“Using the Tire Sealant and Compressor
Kit without Sealant to Inflate a Tire (Not
Punctured).”
If the tire pressure has fallen more than
68 kPa (10 psi) below the recommended
inflation pressure, stop driving the
vehicle. The tire is too severely damaged
and the tire sealant cannot seal the tire.
SeeRoadside Assistance Program 0352.
If the tire pressure has not dropped
more than 68 kPa (10 psi) from the
recommended inflation pressure, inflate
the tire to the recommended inflation
pressure.
24. Wipe off any sealant from the wheel, tire, or vehicle. 25. Dispose of the used tire sealant
canister (4) at a local dealer or in
accordance with local state codes and
practices.
26. Replace it with a new canister available from your dealer.
27. After temporarily sealing a tire using the tire sealant and compressor kit, take the
vehicle to an authorized dealer within
161 km (100 mi) of driving to have the
tire repaired or replaced.
Using the Tire Sealant and Compressor
Kit without Sealant to Inflate a Tire (Not
Punctured)
The kit includes:
1. Sealant Canister Inlet Valve
2. Sealant/Air Hose
3. Base of Sealant Canister
4. Tire Sealant Canister
5. On/Off Button
6. Slot on Top of Compressor
7. Pressure Deflation Button
8. Pressure Gauge
9. Power Plug
10. Air Only Hose
If a tire goes flat, avoid further tire and
wheel damage by driving slowly to a level
place. Turn on the hazard warning flashers.
SeeHazard Warning Flashers 0124.
See If a Tire Goes Flat 0306 for other
important safety warnings.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
312 Vehicle Care
1. Remove the compressor from its storagelocation. See Storing the Tire Sealant and
Compressor Kit 0313.
2. Remove the air only hose (10) and the power plug (9) from the bottom of the
compressor.
3. Place the compressor on the ground near the flat tire.
Make sure the tire valve stem is
positioned close to the ground so the
hose will reach it.
4. Remove the valve stem cap from the flat tire by turning it counterclockwise.
5. Attach the air only hose (10) to the tire valve stem by turning it clockwise until
tight.
6. Plug the power plug (9) into the accessory power outlet in the vehicle.
Unplug all items from other accessory
power outlets. See Power Outlets086.
If the vehicle has an accessory power
outlet, do not use the cigarette lighter.
If the vehicle only has a cigarette lighter,
use the cigarette lighter.
Do not pinch the power plug cord in the
door or window. 7. Start the vehicle. The vehicle must be
running while using the air compressor.
8. Press the on/off button (5) to turn the tire sealant and compressor kit on.
The compressor will inflate the tire with
air only.
9. Inflate the tire to the recommended inflation pressure using the pressure
gauge (8). The recommended inflation
pressure can be found on the Tire and
Loading Information label. See Tire
Pressure 0294.
The pressure gauge (8) may read higher
than the actual tire pressure while the
compressor is on. Turn the compressor
off to get an accurate pressure reading.
The compressor may be turned on/off
until the correct pressure is reached.
Caution
If the recommended pressure cannot be
reached after approximately 25 minutes,
the vehicle should not be driven farther.
The tire is too severely damaged and the
tire sealant and compressor kit cannot
inflate the tire. Remove the power plug
from the accessory power outlet and
(Continued)
Caution (Continued)
unscrew the inflating hose from the tire
valve. See Roadside Assistance Program
0 352.
10. Press the on/off button (5) to turn the tire sealant and compressor kit off.
Be careful while handling the compressor
as it could be warm after usage.
11. Unplug the power plug (9) from the accessory power outlet in the vehicle.
12. Turn the air only hose (10) counterclockwise to remove it from the
tire valve stem.
13. Replace the tire valve stem cap.
14. Return the air only hose (10) and power plug (9) back to their original storage
location.
15. Return the equipment to its original storage location in the vehicle.
The tire sealant and compressor kit has
accessory adapters located in a
compartment on the bottom of its housing
that can be used to inflate air mattresses,
balls, etc.

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Vehicle Care 313
Storing the Tire Sealant and
Compressor Kit
To store the tire sealant and compressor kit,
reverse the steps for removing it.
Tire Changing
Removing the Spare Tire and Tools
To access the spare tire and tools:1. Open the liftgate. See Liftgate018.
2. Remove the cargo management system divider, if equipped. See “Rail and Divider
Option” underCargo Management
System 079.
3. Lift the load floor. Use the hook to hold the load floor open. See Cargo
Management System 079.
4. Turn the wing nut (4) counterclockwise
to remove the jack (1), wheel wrench (2),
and strap (3). Place the tool container
near the tire being changed.
5. Remove the nut retaining the spare tire.
6. Remove the spare tire and place it nextto the tire being changed.
Removing the Flat Tire and Installing the
Spare Tire
1. Do a safety check before proceeding. SeeIf a Tire Goes Flat 0306.
2. Turn the wheel wrench counterclockwise
to loosen all the wheel nuts, but do not
remove them yet.
3. Place the jack near the flat tire.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
314 Vehicle Care
Caution
Make sure that the jack lift head is in the
correct position or you may damage your
vehicle. The repairs would not be covered
by your warranty.
4. Position the jack lift head at the jacklocation nearest the flat tire.
The jacking location is indicated by a half
circle notch in the metal flange. The jack
must not be used in any other position.
{Warning
Getting under a vehicle when it is lifted
on a jack is dangerous. If the vehicle slips
off the jack, you could be badly injured
or killed. Never get under a vehicle when
it is supported only by a jack.
{Warning
Raising the vehicle with the jack
improperly positioned can damage the
vehicle and even make the vehicle fall. To
help avoid personal injury and vehicle
damage, be sure to fit the jack lift head
into the proper location before raising
the vehicle.
{Warning
Lifting a vehicle and getting under it to
do maintenance or repairs is dangerous
without the appropriate safety equipment
and training. If a jack is provided with
the vehicle, it is designed only for
changing a flat tire. If it is used for
anything else, you or others could be
(Continued)
Warning (Continued)
badly injured or killed if the vehicle slips
off the jack. If a jack is provided with the
vehicle, only use it for changing a
flat tire.
Caution
Using a jack to raise the vehicle without
positioning it correctly could damage
your vehicle. When raising your vehicle
on a jack, be sure to position it correctly
under the frame and avoid contact with
the plastic molding.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Vehicle Care 315
5. Turn the wheel wrench clockwise to raisethe jack until the slot in the jack lift
head fits into the metal flange located
behind the cut out on the plastic
molding.
Do not raise the vehicle yet.
6. Put the compact spare tire near you.
7. Raise the vehicle by turning the wheel wrench clockwise in the jack. Raise the
vehicle far enough off the ground so
there is enough room for the spare tire
to fit under the wheel well.
8. Remove all of the wheel nuts.
9. Remove the flat tire.
{Warning
Rust or dirt on a wheel, or on the
parts to which it is fastened, can
cause wheel nuts to become loose
over time. The wheel could come off
and cause a crash. When changing a
wheel, remove any rust or dirt from
places where the wheel attaches to
the vehicle. In an emergency, a cloth
or paper towel can be used; however,
use a scraper or wire brush later to
remove all rust or dirt.10. Remove any rust or dirt from the wheel bolts, mounting surfaces, and spare
wheel.
11. Place the compact spare tire on the wheel-mounting surface.
{Warning
Never use oil or grease on bolts or nuts
because the nuts might come loose. The
vehicle's wheel could fall off, causing a
crash.
12. Reinstall the wheel nuts. Tighten each nut by hand until the wheel is held
against the hub.
13. Lower the vehicle by turning the jack handle counterclockwise.
{Warning
Wheel nuts that are improperly or
incorrectly tightened can cause the
wheels to become loose or come off. The
wheel nuts should be tightened with a
torque wrench to the proper torque
specification after replacing. Follow the
torque specification supplied by the
aftermarket manufacturer when using
(Continued)

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
316 Vehicle Care
Warning (Continued)
accessory locking wheel nuts. See
Capacities and Specifications0345 for
original equipment wheel nut torque
specifications.
Caution
Improperly tightened wheel nuts can lead
to brake pulsation and rotor damage. To
avoid expensive brake repairs, evenly
tighten the wheel nuts in the proper
sequence and to the proper torque
specification. See Capacities and
Specifications 0345 for the wheel nut
torque specification.
14. Tighten the wheel nuts firmly in a crisscross sequence, as shown.
15. Lower the jack all the way and remove the jack from under the vehicle.
16. Tighten the wheel nuts firmly with the wheel wrench.
If equipped, when reinstalling the wheel
cover or center cap on the full-size tire,
tighten all six plastic caps hand snug with
the aid of the wheel wrench and tighten
them with the wheel wrench an additional
one-quarter of a turn.
Caution
Wheel covers will not fit on the vehicle's
compact spare. If you try to put a wheel
cover on the compact spare, the cover or
the spare could be damaged.
Storing a Flat or Spare Tire and Tools
{Warning
Storing a jack, a tire, or other equipment
in the passenger compartment of the
vehicle could cause injury. In a sudden
stop or collision, loose equipment could
strike someone. Store all these in the
proper place.
To store the flat or spare tire and tools: 1. Open the liftgate. See Liftgate018.
2. Put back all tools as they were stored in the rear storage compartment and put
the compartment cover back on.
3. Place the tire, lying flat, in the rear storage compartment.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
Vehicle Care 317
4. Place the loop end of the strap throughthe cargo tie-down. Place the hook end
of the strap through the loop and pull it
until the strap is fastened securely to
the tie-down.5. Route the strap hook through the wheel,as shown.
6. Attach the strap to the other cargo tie-down in the rear of the vehicle.
7. Tighten the strap and secure it using the buckle.
The compact spare is for temporary use
only. Replace the compact spare tire with a
full-size tire as soon as you can.
Compact Spare Tire
{Warning
Driving with more than one compact
spare tire at a time could result in loss of
braking and handling. This could lead to a
crash and you or others could be injured.
Use only one compact spare tire at
a time.
If this vehicle has a compact spare tire, it
was fully inflated when new; however, it
can lose air over time. Check the inflation
pressure regularly. It should be 420 kPa
(60 psi).
Stop as soon as possible and check that the
spare tire is correctly inflated after being
installed on the vehicle. The compact spare
tire is designed for temporary use only. The
vehicle will perform differently with the
spare tire installed and it is recommended
that the vehicle speed be limited to 80 km/h
(50 mph). To conserve the tread of the spare
tire, have the standard tire repaired or
replaced as soon as convenient and return
the spare tire to the storage area.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14608203) - 2021 - CRC - 10/29/20
318 Vehicle Care
When using a compact spare tire, the AWD
(if equipped), ABS, and Traction Control
systems may engage until the spare tire is
recognized by the vehicle, especially on
slippery roads. Adjust driving to reduce
possible wheel slip.
Caution
When the compact spare is installed, do
not take the vehicle through an
automatic car wash with guide rails. The
compact spare can get caught on the rails
which can damage the tire, wheel, and
other parts of the vehicle.
Do not use the compact spare on other
vehicles.
Do not mix the compact spare tire or wheel
with other wheels or tires. They will not fit.
Keep the spare tire and its wheel together.
Caution
Tire chains will not fit the compact spare.
Using them can damage the vehicle and
the chains. Do not use tire chains on the
compact spare.
Jump Starting
Jump Starting - North America
For more information about the vehicle
battery, see Battery - North America 0274.
If the battery has run down, try to use
another vehicle and some jumper cables to
start your vehicle. Be sure to use the
following steps to do it safely.
{Warning
WARNING: Battery posts, terminals, and
related accessories contain lead and lead
compounds, chemicals known to the
State of California to cause cancer and
birth defects or other reproductive harm.
Batteries also contain other chemicals
known to the State of California to cause
cancer. WASH HANDS AFTER HANDLING.
For more information go to
www.P65Warnings.ca.gov/
passenger-vehicle.
See California Proposition 65 Warning 0254
and the back cover.
{Warning
Batteries can hurt you. They can be
dangerous because:
.They contain acid that can burn you.
.They contain gas that can explode or
ignite.
.They contain enough electricity to
burn you.
If you do not follow these steps exactly,
some or all of these things can hurt you.
Caution
Ignoring these steps could result in costly
damage to the vehicle that would not be
covered by the vehicle warranty. Trying
to start the vehicle by pushing or pulling
it will not work, and it could damage the
vehicle.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Vehicle Care 319
1. Discharged Battery Positive (+)Terminal
2. Discharged Battery Remote Negative (–) Terminal
3. Good Battery Negative (–) Terminal
4. Good Battery Positive (+) Terminal
The jump start positive (+) terminal (1) and
the negative remote negative terminal (2)
for the discharged battery are on the driver
side of the vehicle.
The jump start positive (+) terminal (4) and
negative (-) terminal (3) are on the battery
of the vehicle providing the jump start.
1. Check the other vehicle. It must have a 12-volt battery with a negative ground
system.
Caution
If the other vehicle does not have a
12-volt system with a negative ground,
both vehicles can be damaged. Only use
a vehicle that has a 12-volt system with a
negative ground for jump starting.
2. Position the two vehicles so that they are not touching.
3. Set the parking brake firmly and put the shift lever in P (Park) with an automatic
transmission, or Neutral with a manual
transmission. See Shifting Into Park
0 205.
Caution
If any accessories are left on or plugged
in during the jump starting procedure,
they could be damaged. The repairs
would not be covered by the vehicle
warranty. Whenever possible, turn off or
unplug all accessories on either vehicle
when jump starting.
4. Turn the ignition off. Turn off all lights and accessories in both vehicles, except
the hazard warning flashers if needed.
{Warning
An electric fan can start up even when
the engine is not running and can injure
you. Keep hands, clothing, and tools
away from any underhood electric fan.
{Warning
Using a match near a battery can cause
battery gas to explode. People have been
hurt doing this, and some have been
blinded. Use a flashlight if you need
more light.
Battery fluid contains acid that can burn
you. Do not get it on you. If you
accidentally get it in your eyes or on
your skin, flush the place with water and
get medical help immediately.
{Warning
Fans or other moving engine parts can
injure you badly. Keep your hands away
from moving parts once the engine is
running.