warning MAZDA MODEL 3 HATCHBACK 2021 Owners Manual

(Vehicles without sub-woofer)
Turn the spare tire hold-down bolt
counterclockwise and remove the
spare tire.

1. Spare tire hold-down bolt
NOTE
If the spare tire hold-down bolt
cannot be loosened, hold the edge
of the tire and turn it
counterclockwise until the spare
tire hold-down bolt rotates.
To secure the spare tire
Store the spare tire in the reverse order
of removal. After storing , verify that the
spare tire is stored securely.
Changing a Flat Tire
▼ Changing a Flat Tire
NOTE
If the following occurs while driving , it
could indicate a fl
at tire.
Steering becomes
difficult.The vehicle begins to vibrate
excessively.
The vehicle pulls in one direction.
If you have a flat tire, drive slowly to a
level spot that is well o ff the road and
out of the way of tra ffic to change the
tire.
Stopping in tra ffic or on the shoulder
of a busy road is dangerous.
WARNING
Be sure to follow the directions for
changing a tire:
Changing a tire is dangerous if not
done properly. The vehicle can slip o ff
the jack and seriously injure someone.
No person should place any portion of
their body under a vehicle that is
supported by a jack.
Never allow anyone inside a vehicle
supported by a jack:
Allowing someone to remain in a
vehicle supported by a jack is
dangerous. The occupant could cause
the vehicle to fall resulting in serious
injury.
NOTE
Make sure the jack is well lubricated
before using it.
If Trouble Arises
Flat Tire
7-7
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

1. Park on a hard, level surface off the
right-of-way and firmly set the
parking brake.
2. Put a vehicle with an automatic transmission in Park (P), a manual
transmission in Reverse (R) or 1,
and turn o ff the engine.
3. Turn on the hazard warning flasher.
4. Have passengers get out of the vehicle and away from the vehicle
and tra ffic.
5. Remove any luggage, the jack, tools, and spare tire (page 7-3).
6. Block the wheel diagonally opposite the flat tire. When
blocking a wheel, place a tire block
both in front and behind the tire.
NOTE
When blocking a tire, use rocks or
wood blocks of su fficient size if
possible to hold the tire in place.
▼ Removing a Flat Tire
WARNING
When jacking-up a vehicle, always
shift the shift lever to 1st or R position
(manual transmission vehicle) or shift
the selector lever to P position
(automatic transmission vehicle),
apply the parking brake, and place
wheel blocks in the position
diagonally opposed to the jack:
Changing a
flat tire without using
wheel blocks is dangerous because the
vehicle may move and fall o ff the jack
even with the shift lever in 1st or R
position, or the selector lever is in P
position, which could result in an
accident.
1. If your vehicle is equipped with a wheel cover, pry off the wheel
cover with the beveled end of the
jack lever.

NOTE
Force the end of the jack lever
firmly between wheel and cover, or
removal will be di fficult.
If Trouble Arises
Flat Tire
7-8
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

5. Place the jack under the jack-upposition closest to the tire being
changed with the jack head
squarely under the jack-up point.

1. Jacking position

6. Continue raising the jack head gradually by rotating the screw with
your hand until the jack head is
inserted into the jack-up position.

1. Tire blocks
2. Jacking position
WARNING
Use only the front and rear jacking
positions recommended in this
manual:
Attempting to jack the vehicle in
positions other than those
recommended in this manual is
dangerous. The vehicle could slip
off the jack and seriously injure or
even kill someone. Use only the
front and rear jacking positions
recommended in this manual.
Do not jack up the vehicle in a
position other than the designated
jack-up position or place any
objects on or under the jack:
Jacking up the vehicle in a position
other than the designated jack-up
position or placing objects on or
under the jack is dangerous as it
could deform the vehicle body or
the vehicle could fall o ff the jack
resulting in an accident.
Use only the jack provided with
your Mazda:
Using a jack that is not designed for
your Mazda is dangerous. The
vehicle could slip o ff the jack and
seriously injure someone.
Never place objects under the
jack:
Jacking the vehicle with an object
under the jack is dangerous. The
jack could slip and someone could
be seriously injured by the jack or
the falling vehicle.
If Trouble Arises
Flat Tire
7-10
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

NOTE
When raising the jack head into the
jacking position and aligning the
groove in the jack head with the rail
under the vehicle body, the top of
the jack head contacts the vehicle's
underbody without the rail
contacting the bottom of the
groove.
7. Insert the jack lever and attach the lug wrench to tire jack.

8. Turn the jack handle clockwise andraise the vehicle high enough so
that the spare tire can be installed.
Before removing the lug nuts, make
sure your Mazda is firmly in
position and that it cannot slip or
move.

WARNING
Do not jack up the vehicle higher
than is necessary:
Jacking up the vehicle higher than is
necessary is dangerous as it could
destabilize the vehicle resulting in
an accident.
Do not start the engine or shake
the vehicle while it is jacked up:
Starting the engine or shaking the
vehicle while it is jacked up is
dangerous as it could cause the
vehicle to fall o ff the jack resulting
in an accident.
Never go under the vehicle while it
is jacked up:
Going under the vehicle while it is
jacked up is dangerous as it could
result in death or serious injury if
the vehicle were to fall o ff the jack.
9. Remove the lug nuts by turning them counterclockwise; then
remove the wheel and center cap.
▼Locking Lug Nuts
If your Mazda is equipped with the
optional antitheft wheel lug nuts, a
special key must be used to unlock the
locking lug nut for each wheel. The key
is stored in the glove compartment,
center console storage, storage box, or
trunk. Register the key and lug nuts
with the lock manufacturer by
filling
out the registration card and mailing it
in using the accompanying envelope. If
the key is lost, consult an Authorized
Mazda Dealer or use the lock
manufacturer’s order form to order a
new key.
If Trouble Arises
Flat Tire
7-11
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

Antitheft wheel lug nuts cannot be
installed on a steel wheel spare tire.
When installing a temporary spare tire,
use one of the original lug nuts in place
of the locking lug nut. The original lug
nuts are stored inside your Mazda.
1. Antitheft lug nut
2. Special key
To remove an antitheft lug nut
1. Obtain the special key for theantitheft lug nut.
2. Place the special key on top of the antitheft lug nut, and be sure to
hold the key square to it. If you
hold the key at an angle, you may
damage both key and nut. Do not
use a power impact wrench.
3. Place the lug wrench on top of the key and apply pressure. Turn the
wrench counterclockwise.
To install the antitheft lug nut
1. Place the special key on top of the nut, and be sure to hold the key
square to it. If you hold the key at
an angle, you may damage both key
and nut. Do not use a power
impact wrench.
2. Place the lug wrench on top of the special key, apply pressure, and
turn it clockwise.
Nut tightening torque
N·m (kgf·m, ft·lbf) 108―
147 (12― 14,
80 ―108)
▼ Mounting the Spare Tire
1. Remove dirt and grime from the
mounting surfaces of the wheel and
hub, including the hub bolts, with a
cloth.

WARNING
Make sure the mounting surfaces
of the wheel, hub and lug nuts are
clean before changing or replacing
tires:
When changing or replacing a tire,
not removing dirt and grime from
the mounting surfaces of the wheel,
hub and hub bolts is dangerous.
The lug nuts could loosen while
driving and cause the tire to come
off, resulting in an accident.
2. Mount the spare tire.
3. Install the lug nuts with the beveled edge inward; tighten them by hand.

If Trouble Arises
Flat Tire
7-12
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

WARNING
Do not apply oil or grease to lug
nuts and bolts and do not tighten
the lug nuts beyond the
recommended tightening torque:
Applying oil or grease to lug nuts
and bolts is dangerous. The lug nuts
could loosen while driving and
cause the tire to come off, resulting
in an accident. In addition, lug nuts
and bolts could be damaged if
tightened more than necessary.
4. Turn the jack handle
counterclockwise using the lug
wrench and lower the vehicle.
5. Use the lug wrench to tighten the
nuts in the order shown.

If you are unsure of how tight the
nuts should be, have them
inspected at an Authorized Mazda
Dealer.
Nut tightening torque
N·m (kgf·m, ft·lbf) 108―
147 (12 ―14,
80― 108)
WARNING
Always securely and correctly
tighten the lug nuts:
Improperly or loosely tightened lug
nuts are dangerous. The wheel
could wobble or come
off. This
could result in loss of vehicle
control and cause a serious
accident.
Be sure to reinstall the same nuts
you removed or replace them with
metric nuts of the same
con figuration:
Because the wheel studs and lug
nuts on your Mazda have metric
threads, using a non-metric nut is
dangerous. On a metric stud, it
would not secure the wheel and
would damage the stud, which
could cause the wheel to slip o ff
and cause an accident.
6. (Aluminum wheel equipped
vehicle)
Remove the center cap by tapping
it from the backside of the wheel
using the lug wrench.
7. Store the damaged tire in the trunk (4-door) or luggage compartment
(5-door).

8. Secure the damaged tire to thevehicle using the following method.
If Trouble Arises
Flat Tire
7-13
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

WARNING
Do not drive with any tires that have
incorrect air pressure:
Driving on tires with incorrect air
pressure is dangerous. Tires with
incorrect pressure could aff ect
handling and result in an accident.
When you check the regular tires' air
pressure, check the spare tire, too.
NOTE
To prevent the jack and tool from
rattling, store them properly.
If Trouble Arises
Flat Tire
7-16
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

Jump-Starting
▼Jump-Starting
Jump-starting is dangerous if done incorrec
tly. So follow the procedure carefully. If
you feel unsure about jump-starting, we strongly recommend that you have a
competent service technician do the work.
WARNING
Follow These Precautions Carefully:
To ensure safe and correct handling of the battery, read the following precautions
carefully before using the battery or inspecting it.
Keep flames and sparks away from open battery cells and do not allow
metal tools to contact the positive (+) or negative (–) terminal of the battery when
working near a battery. Do not allow the positive (+) terminal to contact the
vehicle body:
Flames and sparks near open battery cell s are dangerous. Hydrogen gas, produced
during normal battery operation, could ignite and cause the battery to explode. An
exploding battery can cause serious burns and injuries. Keep all flames including
cigarettes and sparks away from open battery cells.
Keep all flames and sparks away from open battery cells because hydrogen
gas is produced from open battery cells while charging the battery or adding
battery fluid:
Flames and sparks near open battery cell s are dangerous. Hydrogen gas, produced
during normal battery operation, could ignite and cause the battery to explode. An
exploding battery can cause serious burns and injuries. Keep all flames including
cigarettes and sparks away from open battery cells.
Do not jump-start a frozen battery or one with a low fluid level:
Jump-starting a frozen battery or one with a low fluid level is dangerous. It may
rupture or explode, causing serious injury.
If Trouble Arises
Battery Runs Out
7-17
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34

Starting a Flooded Engine
▼Starting a Flooded Engine
If the engine fails to start, it may be
fl
ooded (excessive fuel in the engine).

Follow this procedure:

1. If the engine does not start within 5 seconds on the first try, wait 10
seconds and try again.
2. Make sure the parking brake is on.
3. Depress the accelerator all the way
and hold it there.
4. Depress the clutch pedal (manual
transmission) or the brake pedal
(automatic transmission), then
press the push button start. If the
engine starts, release the
accelerator immediately because
the engine will suddenly rev up.
5. If the engine fails to start, crank it
without depressing the accelerator.

If the engine still does not start using
the previous procedure, have your
vehicle inspected by an Authorized
Mazda Dealer.
Push-Starting
▼ Push-Starting
Do not push-start your Mazda.
WARNING
Never tow a vehicle to start it:
Towing a vehicle to start it is
dangerous. The vehicle being towed
could surge forward when its engine
starts, causing the 2 vehicles to collide.
The occupants could be injured.
CAUTION
Do not push-start a vehicle that has a
manual transmission. It can damage
the emission control system.
NOTE
You cannot start a vehicle with an
automatic transmissi
on by pushing it.
If Trouble Arises
Emergency Starting
7-20
Mazda3_8JM2-EA-20H_Edition1_new 2020-7-10 17:21:34

Overheating
▼Overheating
If the engine coolant temperature
gauge indicates overheating and the
high engine coolant temperature
warning indication is displayed, the
vehicle loses power or you hear a loud
knocking or pinging noise, the engine
is probably too hot.
WARNING
Pull over to a safe location, then
switch the ignition o ff and make sure
the fan is not running before
attempting to work near the cooling
fan:
Working near the cooling fan when it is
running is dangerous. The fan could
continue running indefinitely even if
the engine has stopped and the engine
compartment temperature is high. You
could be hit by the fan and seriously
injured.
Do not remove either
cooling system cap when the engine
and radiator are hot:
When the engine and radiator are hot,
scalding coolant and steam may shoot
out under pressure and cause serious
injury.
Open the hood ONLY after steam is
no longer escaping from the engine:
Steam from an overheated engine is
dangerous. The escaping steam could
seriously burn you.
If the engine coolant temperature
gauge indicates overheating and the
high engine coolant temperature
warning indication is displayed:

1. Drive safely to the side of the road and park off the right-of-way.
2. Put a vehicle with an automatic transmission in park (P), a manual
transmission in neutral.
3. Apply the parking brake.
4. Turn off the air conditioner.
5. Check whether coolant or steam is escaping from the engine
compartment.

If steam is coming from the engine
compartment:
Do not go near the front of the
vehicle. Stop the engine.
Wait until the steam dissipates,
then open the hood and start the
engine.

If neither coolant nor steam is
escaping:
Open the hood and idle the engine
until it cools.
CAUTION
If the cooling fan does not operate
while the engine is running, the
engine temperature will increase.
Stop the engine and call an
Authorized Mazda Dealer.
If Trouble Arises
Overheating
7-21
Mazda3_8JM2-EA -20H_Edition1_new 2020-7-10 17:21:34