fuel pressure MAZDA MODEL 3 HATCHBACK 2019 Owners Manual (in English)

Do not run the engine when inside an
enclosed area:
Running the engine inside an enclosed
area, such as a garage, is dangerous.
Exhaust gas, which contains poisonous
carbon monoxide, could easily enter the
cabin. Loss of consciousness or even death
could occur.
Open the windows or adjust the heating or
cooling system to draw fresh air when
idling the engine:
Exhaust gas is dangerous. When the vehicle
is stopped with the windows closed and the
engine running for a long time even in an
open area, exhaust gas, which contains
poisonous carbon monoxide, could enter
the cabin. Loss of consciousness or even
death could occur.
Clear snow from underneath and around
your vehicle, particularly the tail pipe,
before starting the engine:
Running the engine when a vehicle is
stopped in deep snow is dangerous. The
exhaust pipe could be blocked by the snow,
allowing exhaust gas to enter the cabin.
Because exhaust gas contains poisonous
carbon monoxide, it could cause loss of
consciousness or even death to occupants
in the cabin.Fuel-Filler Lid and Cap
▼Fuel-Filler Lid and Cap
WA R N I N G
When removing the fuel-filler cap, loosen
the cap slightly and wait for any hissing to
stop, then remove it:
Fuel spray is dangerous. Fuel can burn skin
and eyes and cause illness if ingested. Fuel
spray is released when there is pressure in
the fuel tank and the
fuel-filler cap is
removed too quickly.
Before refueling, stop the engine, and
always keep sparks and flames away from
the filler neck:
Fuel vapor is dangerous. It could be ignited
by sparks or flames causing serious burns
and injuries.
Additionally, use of the incorrect fuel-filler
cap or not using a fuel-filler cap may result
in a fuel leak, which could result in serious
burns or death in an accident.
Do not continue refueling after the fuel
pump nozzle shuts off automatically:
Continuing to add fuel after the fuel pump
nozzle has shut off automatically is
dangerous because overfilling the fuel tank
may cause fuel overflow or leakage. Fuel
overflow and leakage could damage the
vehicle and if the fuel ignites it could cause
a fire and explosion resulting in serious
injury or death.
Before Driving
Fuel and Emission
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CAUTION
Always use only a genuine Mazda
fuel-filler cap or an approved equivalent,
available at an Authorized Mazda
Dealer. The wrong cap can result in a
serious malfunction of the fuel and
emission control systems.
It may also cause the check engine light
in the instrument cluster to illuminate.
 When using an automatic car wash or a
high water pressure car wash, lock the
driver's door. Otherwise, the fuel lid may
open unexpectedly and could be
damaged.
▼ Refueling
Before refueling, close all the doors,
windows, and liftgate/trunk lid, and switch
the ignition OFF.
1. Unlock the driver’s door.
NOTE
When unlocking the driver's door,
the fuel lid is also unlocked at the
same time.
When locking the driver's door, the
fuel lid is locked after 90 seconds.
The time until the fuel lid is locked
after locking the driver's door can be
changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
However, when the driver's door is
locked using the following functions,
the fuel lid is also
locked at the same
time.
Auto lock/unlock function (page
3-16)
Auto re-lock function (page 3-5,
3-13)
2. Press the location shown in the
illustration and open the fuel lid.
3. To remove the fuel-filler cap, turn itcounterclockwise.
4. Attach the removed cap to the inner
side of the fuel-filler lid.

4–door
1. Fuel-filler lid
2. Fuel-filler cap

5–door
1. Fuel-filler lid
2. Fuel-filler cap

Before Driving
Fuel and Emission
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SignalWarning Refer to
Tire Pressure Monitoring System (TPMS) Warning Indication/Warni ng
Light*1
Flashing 7-32
Turns on 7-36
(Red) KEY Warning Indication/Warning Light
*17-32
(Amber)
*High Beam Control System (HBC) Warning Indication/Warning Light*17-33
*i-ACTIVSENSE Warning Indication/Warning Light*17-33
Exterior Light Warning I
ndication/Warning Light*17-33
Low Fuel Warning Indication/Warning Light 7-33
Check Fuel Cap Warning Indication/Warning Light*17-34
Engine Oil Level Warning Indication/Warning Light*17-34
Seat Belt Warning Indication/Warning Light (Front seat) 7-34
(Red)Seat Belt Warning Light (Rear seat) 7-35
*Low Washer Fluid Level Warning Indication/Warning Light
7-35
Door-Ajar Warning Indication
7-36
*Trunk lid-Ajar Warning Indication 7-36
*Liftgate-Ajar Warning Indication 7-36
When Driving
Instrument Cluster and Display
*Some models.4-23
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Tire Pressure MonitoringSystem (TPMS)
▼Tire Pressure Monitoring System
(TPMS)
The TPMS monitors the air pressure of
each tire and if it decreases below the
specified value, the system notifies the
driver by turning on the TPMS warning
light in the instrument cluster and
indicating a message on the
multi-information display.
For the TPMS, the air pressure data sent
from the tire pressure s
ensors installed on
each wheel via radio signal is received by
the receiver unit in t he vehicle to monitor
the tire pressures.
1. Tire pressure sensors

In addition, the current tire pressures can
be checked using the center display.
Refer to the Information section in the
Mazda Connect Owner's Manual.
NOTE
When the ambient temperature is low,
the tire temperatures also decrease. If
the tire temperatures decrease, the air
pressure in the tires will also decrease
which could turn on the TPMS warning
light.
Before driving, visually inspect the tires
for abnormalities. Additionally, inspect
the tire pressures monthly. A digital type
air pressure gauge is recommended for
inspecting the tire pressures.
The TPMS is not a substitute for your own
periodic inspection of the tires. Always
inspect the tires yourself periodically.
CAUTION
 Each tire, includ ing the spare (if
provided), should be checked monthly
when cold and inflated to the
inflation
pressure recommended by the vehicle
manufacturer on the vehicle placard or
tire inflation pressure label. (If your
vehicle has tires of a different size than
the size indicated on the vehicle placard
or tire inflation pressure label, you should
determine the proper tire inflation
pressure for those tires.)
As an added safety feature, your vehicle
has been equipped with a tire pressure
monitoring system (TPMS) that
illuminates a low tire pressure telltale
when one or more of your tires is
significantly under-inflated. Accordingly,
when the low tire pressure telltale
illuminates, you should stop and check
your tires as soon as possible, and inflate
them to the proper pressure. Driving on a
significantly under-inflated tire causes
the tire to overheat and can lead to tire
failure. Under-inflation also reduces fuel
efficiency and tire tread life, and may
affect the vehicle's handling and
stopping ability.
When Driving
Tire Pressure Monitoring System (TPMS)
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Canada residents
Maintenance IntervalNumber of months or kilometers (miles), whichever comes first.
Months 6 1218243036424854606672
×1000 km 8 1624324048566472808896
×1000 miles 5 10 15 20 25 30 35 40 45 50 55 60
Engine oil & filter
*1
Normal Driv‐
ing Replace when the wrench indicator light is ON.
(Upper limit interval is 16,000 km (10,000 miles) or 12 months.)
Severe Driv‐
ing Scheduled
Maintenance RRRRRRRRRRRR
Spark plug Replace every 120 ,000 km (75,000 miles).
Air filter Replace every 56,000 km (35,000 miles) or 36 months.
Drive belts
*2II
Engine coolant level IIIIIIIIIIII
Engine coolant
*3Replace at first 192,000 km (120,000 miles) or 120 months; after that, every 96,000 km (60,000 miles) or 60 months.
Fuel lines & hoses
*4III
Hoses and tubes for emission
*4I
Brake lines, hoses and connections I I I
Vacuum brake booster and hose With vacuum
boosterIIIIII
Brake fluid With electrical
boosterRRR
Disc brakes I C/L I I/C/
L IC/LI I/C/
L
Tire rotation Rotate every 8,000 km (5,000 miles).
Tire inflation pressure and tire wear
*5IIIIIIIIIIII
Steering operation and linkages III
Front and rear suspension, ball joints and wheel
bearing axial play III
Rear differential oil
*6
Transfer oil*6
Body condition inspection for rust, corrosion
and perforation IIIIII
Driveshaft dust boot I I I
Bolts and nuts on chassis and body T T T
Exhaust system and heat shields I
Emergency flat tire repair kit (if installed)
*7Inspect annually.
Cabin air filter Replace every 40 ,000 km (25,000 miles) or 24 months.
Maintenance and Care
Scheduled Maintenance
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5. Driving continuously in mountainous regions.
If you are following the Severe Driving Scheduled Maintenance (5,000 km or 3 months oil
replacement interval), it is rec ommended that you set the vehic le status monitor manually.
Refer to the Information section in the Mazda Connect Owner's M anual. Please contact an
Authorized Mazda Dealer if necessary.
Mexico Residents (Normal Driving Scheduled Maintenance):
Maintenance ItemNormal Driving Scheduled Maintenance Intervals
1st 2nd 3rd 4th 5th 6th 7th 8th
Engine oil & filter
*1RRRRRRRR
Spark plug IIIIIIII
Replace every 120,000 km.
Air filter RRRR
Drive belts IIIIIIII
Engine coolant level IIIIIIII
Engine coolant
*2Replace at first 192,000 km or 12 0 months; after that, every
96,000 km or 60 months.
Fuel lines & hoses
*3II
Hoses and tubes for emission
*3II
Fuel filter Replace every 60,000 km.
Brake lines, hoses and connections II II
Vacuum brake booster and hose With vacuum
boosterIIII
Brake and clutch fluid level I I II I I
Brake fluid RR
Disc brakes IIIIIIII
Tire rotation Rotate every 10,000 km.
Tire inflation pressure and tire wear
*4IIIIIIII
Steering operation and linkages IIIIIIII
Front and rear suspension, ball joints and wheel
bearing axial play IIII
Driveshaft dust boot I I I I
Bolts and nuts on chassis and body T T T T
Exhaust system and heat shields II II
Emergency flat tire repair kit (if installed)
*5Inspect annually.
Cabin air filter Replace every 40,000 km or 24 months.
Function of all lights IIIIIIII
Maintenance and Care
Scheduled Maintenance
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Owner MaintenancePrecautions
▼Owner Maintenance Precautions
The owner or a qualified service
technician should make these vehicle
inspections at the i
ndicated intervals to
ensure safe and dependable operation.

Bring any problem to the attention of an
Authorized Mazda Dealer or qualified
service technician as soon as possible.
When Refueling
Brake and clutch fluid level (page
6-18)
Engine coolant level (page 6-17)
Engine oil level (page 6-16)
Washer fluid lev el (page 6-19)
At Least Monthly
Tire inflation pressures (page 6-30)
At Least Twice a Year (For Example,
Every Spring and Fall)
You can do the following scheduled
maintenance items if you have some
mechanical ability and a few basic tools
and if you closely follow the directions in
this manual.
Engine coolant (page 6-17)
Engine oil (page 6-16)

Improper or incomplete service may result
in problems. This section gives
instructions only for items that are easy to
perform.

As explained in the Introduction (page
6-2), several procedures can be done only
by a qualified service technician with
special tools.

Improper owner maintenance during the
warranty period may affect warranty
coverage. Refer to Introduction (page 6-2)
for owner's responsibility in protecting
your investment. For details, read the
separate Mazda Warranty statement
provided with the vehicle. If you are
unsure about any servicing or maintenance
procedure, have it done by an Authorized
Mazda Dealer.

There are strict environmental laws
regarding the disposal of waste oil and
fluids. Please disp ose of your waste
properly and with due regard to the
environment.

We recommend that you entrust the oil and
fluid changes of your vehicle to an
Authorized Mazda Dealer.
WA R N I N G
Do not perform maintenance work if you
lack sufficient knowledge and experience
or the proper tools and equipment to do
the work. Have maintenance work done by
a qualified technician:
Performing maintenance work on a vehicle
is dangerous if not done properly. You can
be seriously injured while performing some
maintenance procedures.
Maintenance and Care
Owner Maintenance
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Tires
▼Tires
For reasons of proper performance, safety,
and better fuel economy, always maintain
recommended tire inflation pressures and
stay within the recommended load limits
and weight distribution.
WA R N I N G
Using Different Tire Types:
Driving your vehicle with
different types of
tires is dangerous. It could cause poor
handling and poor braking; leading to loss
of control.
Except for the limited use of the temporary
spare tire, use only the same type tires
(radial, bias-belted, bias-type) on all four
wheels.
Using Wrong-Sized Tires:
Using any other tire size than what is
specified for the vehicle (page 9-9) is
dangerous. It could seriously affect ride,
handling, ground clearance, tire clearance,
and speedometer calibration. This could
cause you to have an accident. Use only
tires that are the correct size specified for
the vehicle.
▼ Tire Inflation Pressure
WA R N I N G
Always
inflate the tires to the correct
pressure:
Overinflation or
underinflation of tires is
dangerous. Adverse handling or
unexpected tire failure could result in a
serious accident.
Refer to Tires on page 9-9.
Use only a Mazda-genuine tire valve cap:
Use of a non-genuine part is dangerous as
the correct tire air pressure cannot be
maintained if the tire valve becomes
damaged. If the vehicle is driven under this
condition, the tire air pressure will decrease
which could result in a serious accident. Do
not use any part for the tire valve cap that
is not a Mazda-genuine part.
Inspect all tire pressures monthly
(including the spare) when the tires are
cold. Maintain recom mended pressures for
the best ride, handling, and minimum tire
wear.
Refer to the specification charts (page
9-9).
NOTE
Always check tire pressure when tires
are cold.
Warm tires normally exceed
recommended pressures. Do not release
air from warm tires to adjust the
pressure.
Maintenance and Care
Owner Maintenance
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Underinflation can cause reduced fuel
economy, uneven and accelerated tire
wear, and poor sealing of the tire bead,
which will deform the wheel and cause
separation of tire from rim.
Overinflation can produce a harsh ride,
uneven and accelerated tire wear, and a
greater possibility of damage from road
hazards.
Keep your tire pressure at the correct
levels. If one frequently needs inflating,
have it inspected.
▼Tire Rotation
WA R N I N G
Rotate tires periodically:
Irregular tire wear is dangerous. To
equalize tread wear for maintaining good
performance in handling and braking,
rotate the tires every 16,000 km (10,000
miles). However Mazda recommends to
rotate every 8,000 km (5,000 miles) to help
increase tire life and distribute wear more
evenly.
Refer to Scheduled Maintenance (U.S.A.
and Puerto Rico) on page 6-4.
Refer to Scheduled Maintenance (Canada)
on page 6-6.
Refer to Scheduled Maintenance (Mexico)
on page 6-8.

During rotation, inspect them for correct
balance.

1. Forward
Do not include (TEMPORARY USE
ONLY) spare tire in rotation.

Also, inspect them for uneven wear and
damage. Abnormal wear is usually caused
by one or a combination of the following:
Incorrect tire pressure
Improper wheel alignment
Out-of-balance wheel
Severe braking

After rotation, inflate all tire pressures to
specification (page 9-9) and inspect the
lug nuts for tightness.
CAUTION
Rotate unidirectional tires and radial tires
that have an asymmetrical tread pattern or
studs only from front to rear, not from side
to side. Tire performance will be reduced if
rotated from side to side.
Maintenance and Care
Owner Maintenance
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Do not spray water in the engine
compartment. Otherwise, it could result
in engine-starting problems or damage
to electrical parts.
 When washing and waxing the vehicle,
be careful not to apply excessive force to
any single area of the vehicle roof or the
antenna. Otherwise, you could dent the
vehicle or damage the antenna.
 Make sure that the
fuel-filler lid is closed
and lock the doors. Otherwise, the
fuel-filler lid may be forcefully opened by
water pressure causing damage to the
vehicle or fuel-filler lid.
To help protect the finish from rust and
deterioration, wash your Mazda
thoroughly and frequently, at least once a
month, with lukewarm or cold water.

If the vehicle is washed improperly, the
paint surface could be scratched. Here are
some examples of how scratching could
occur.

Scratches occur on th e paint surface when:
The vehicle is washed without first
rinsing off dirt and other foreign matter.
The vehicle is washed with a rough, dry,
or dirty cloth.
The vehicle is washed at a car wash that
uses brushes that are dirty or too stiff.
Cleansers or wax containing abrasives
are used.
NOTE
Mazda is not responsible for scratches
caused by automatic car washes or
improper washing.
Scratches are more noticeable on
vehicles with darker paint finishes.
To minimize scratches on the vehicle's
paint finish:
Rinse off any dirt or other foreign matter
using lukewarm or cold water before
washing.
Use plenty of luke warm or cold water
and a soft cloth when washing the
vehicle. Do not use a nylon cloth.
Rub gently when washing or drying the
vehicle.
Take your vehicle only to a car wash
that keeps its brushes well maintained.
Do not use abrasive cleansers or wax
that contain abrasives.
CAUTION
 Do not use steel wool, abrasive cleaners,
or strong detergents containing highly
alkaline or caustic agents on
chrome-plated or anodized aluminum
parts. This may damage the protective
coating; also, cleaners and detergents
may discolor or deteriorate the paint.
Pay special attention to removing salt, dirt,
mud, and other forei gn material from the
underside of the fenders, and make sure
the drain holes in the lower edges of the
doors and rocker panels are clean.

Maintenance and Care
Appearance Care
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