2018 MAZDA MODEL 3 HATCHBACK brake fluid

*4 Check the tire repair fluid expiration date every year when performing the periodic maintenance. Replace the
tire repair fluid bottle with ne w one before the expiration dat e.
(Cont.)
Maintenance Interval Number of months or kilometers, whichever comes first
Months 39 42 45 48 51 54 57 60 63 66 69 72
×1000 km 65707580859095100105110115120
ENGINE
Drive belts II
Engine oil & filter RRRRRRRRRRRR
COOLING SYSTEM
Cooling system II
Engine coolant
*1Replace at first 200,000 km or 10 years; after that, every 100,000 km or 5 years
Engine coolant level IIIIIIIIIIII
FUEL SYSTEM
Air filter CRCRCR
Fuel lines and hoses I
*2I
Hoses and tubes for emission I
*2I
Fuel filter Replace every 60,000 km
IGNITION SYSTEM
Spark plugs IIIIII
Replace every 120,000 km
ELECTRICAL SYSTEM
Function of all lights IIIIIIIIIIII
CHASSIS and BODY
Brake lines, hoses and connections II I
Brake and clutch fluid level II I I
Brake fluid RR
Disc brakes IIIIII
Tire (Rotation)
*3Rotate every 10,000 km
Tire inflation pressure and tire wear
*3IIIIII
Steering operation and linkages IIIIII
Front and rear suspensi on, ball joints and wheel
bearing axial play III
Driveshaft dust boots I I I
Bolts and nuts on chassis and body T T T
Exhaust system and heat shields I I I
All locks and hinges LLLLLL
Maintenance and Care
Scheduled Maintenance
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Owner Maintenance Precautions
The owner or a qualified service technician should make these vehicle inspections at the
indicated intervals to ensure safe and dependable operation.

Bring any problem to the attention of an Authorized Mazda Deale r or qualified service
technician as soon as possible.
When Refueling
Brake and clutch fluid level (page 6-27)
Engine coolant level (page 6-25)
Engine oil level (page 6-24)
Washer fluid level (page 6-27)
At Least Monthly
Tire inflation pressures (page 6-38)
At Least Twice a Year (For Example, Every Spring and Fall)
You can do the following schedu led maintenance items if you hav e some mechanical ability
and a few basic tools and if you closely follow the directions in this manual.
Engine coolant (page 6-25)
Engine oil (page 6-23)

Improper or incomplete service may result in problems. This sec tion 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 affec t warranty coverage.
Refer to Introduction (page 6-2) for owner's responsibility in protecting your investment.
For details, read the separate Mazda Warranty statement provide d with the vehicle. If you
are unsure about any servicing or maintenance procedure, have i t done by an Authorized
Mazda Dealer.

There are strict environmental laws regarding the disposal of w aste oil and fluids. Please
dispose of your waste properly and with due regard to the envir onment.

We recommend that you entrust the oil and fluid changes of your vehicle to an Authorized
Mazda Dealer.
Maintenance and Care
Owner Maintenance
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Engine Compartment Overview
Windshield washer fluid reservoirBrake/Clutch fluid reservoir
Engine oil dipstick Battery
Fuse block
Cooling system cap Engine coolant reservoir Engine oil-filler cap
Maintenance and Care
Owner Maintenance
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Brake/Clutch Fluid
▼Inspecting Brake/Clutch Fluid Level
WA R N I N G
If the brake/clutch fluid level is low, have
the brakes inspected:
A low brake/clutch
fluid level is dangerous.
A low level could indicate brake lining wear
or a brake system leak which could cause
the brakes to fail and lead to an accident.
The brakes and clutch draw fluid from the
same reservoir.
Inspect the fluid level in the reservoir
regularly. It should be kept between the
MAX and MIN lines.
The level normally drops with
accumulated distance, a condition
associated with wear of brake and clutch
linings. If it is excessively low, have the
brake/clutch system inspected by an
Authorized Mazda Dealer.
Wa s h e r F l u i d
▼ Inspecting Washer Fluid Level
WA R N I N G
Use only windshield washer fluid or plain
water in the reservoir:
Using radiator antifreeze as washer
fluid is
dangerous. If sprayed on the windshield, it
will dirty the windshield, affect your
visibility, and could result in an accident.
Using Washer Fluid Without Anti-freeze
Protection in Cold Weather:
Operating your vehicle in temperatures
below 4 degrees C (40 degrees F) using
washer fluid without anti-freeze protection
is dangerous as it could cause impaired
windshield vision and result in an accident.
In cold weather, always use washer fluid
with anti-freeze protection.
NOTE
State or local regulations may restrict the
use of volatile organic compounds
(VOCs), which are commonly used as
anti-freeze agents in washer fluid. A
washer fluid with limited VOC content
should be used only if it provides adequate
freeze resistance for all regions and
climates in which the vehicle will be
operated.
Maintenance and Care
Owner Maintenance
6-27
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If a Warning Light Turns On or Flashes
If any warning light turns on/flashes, take appropriate action for each light. There is no
problem if the light turns off, h owever if the light does not turn off or turns on/flashes again,
consult an Authorized Mazda Dealer.
(Vehicles with type B audio)
The details for some warnings can be viewed on the center display.
1. If the warning light is turned on, select
icon on the home screen to display the
application screen.
2. Select “Vehicle Status Monitor”.
3. Select “Warning Guidance” to display the current warnings.
4. Select the applicable warni ng to view the warning details.
▼Stop Vehicle in Safe Place Immediately
If any of the following warning
lights turns on, the system may have a malfunction. Stop the
vehicle in a safe place immediately and contact an Authorized M azda Dealer.
SignalWarning
Brake System Warning
Light Without Electric Parking Brake (EPB)
This warning has the
following functions:
Parking brake warning/Warning light inspection
The light illuminates when the par king brake is applied with the ignition switched to
START or ON. It turns off when the parking brake is fully relea sed.
Low brake fluid level warning
If the brake warning light remains illuminated even though the parking brake is re-
leased, the brake fluid may be l ow or there could be a problem with the brake system.
Park the vehicle in a safe place immediately and contact an Aut horized Mazda Dealer.
WA R N I N G
Do not drive with the brake system warning light illuminated. Contact an Authorized
Mazda Dealer to have the brakes inspected as soon as possible:
Driving with the brake system warning light illuminated is dangerous. It indicates that
your brakes may not work at all or that they could completely fail at any time. If this
light remains illuminated, after checking that the parking brake is fully released, have
the brakes inspected immediately.
CAUTION
In addition, the effectiveness of the brakin g may diminish so you may need to depress
the brake pedal more strongly than normal to stop the vehicle.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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SignalWarning
Brake System Warning
Light With Electric Parking Brake (EPB)
This warning has the following functions:
Parking brake warning/Warning light inspection
The light illuminates when the electric parking brake (EPB) is
applied with the igni-
tion switched to START or ON. It turns off when the electric pa rking brake (EPB) is
released.
When the light turns on
If the brake system warning light remains turned on even though the electric parking
brake (EPB) is released, the brak e fluid may be low or there could be a problem with
the brake system. Park the vehicle in a safe place immediately and contact an Author-
ized Mazda Dealer.
When the light is flashing
The light flashes if the electric parking brake (EPB) has a mal function.
If the light remains flashing ev en if the electric parking brake (EPB) switch is operat-
ed, consult an Authorized Mazd a Dealer as soon as possible.
WARNING
Do not drive with the brake system warning light illuminated. Contact an Authorized
Mazda Dealer to have the brakes inspected as soon as possible:
Driving with the brake system warning light illuminated is dangerous. It indicates that
your brakes may not work at all or that they could completely fail at any time. If this
light remains illuminated, after checking that the parking brake is fully released, have
the brakes inspected immediately.
CAUTION
In addition, the effectiveness of the braking may diminish so you may need to depress
the brake pedal more strongly than normal to stop the vehicle.
Electronic Brake Force Distribution System Wa r n i n g If the electronic brake force di
stribution control unit determines that some compo-
nents are operating incorrectly , the control unit may illuminate the brake system
warning light and the ABS warni ng light simultaneously. The problem is likely to be
the electronic brake force distribution system.
WARNING
Do not drive with both the ABS warning light and brake warning light illuminated.
Have the vehicle towed to an Authorized Mazda Dealer to have the brakes inspected as
soon as possible:
Driving when the brake system warning ligh t and ABS warning light are illuminated si‐
multaneously is dangerous.
When both lights are illuminated, the rear wheels could lock more quickly in an emer‐
gency stop than under normal circumstances.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Specifications
▼Engine
Item Specification
SKYACTIV-G 2.0 SKYACTIV-G 2.5
Type DOHC-16V in-line, 4-cylinder
Bore × Stroke 83.5 × 91.2 mm (3.29 × 3.59 in) 89.0 × 100 mm (3.50 × 3.94 in)
Displacement 1,997.6 ml (1,997.6 cc) 2,488.5 ml (2,488.5 cc)
Compression ratio 13.0
▼Electrical System
Item
Classification
Battery Q-85
*1
12V-60Ah/20HR*2 or 12V-65Ah/20HR*2
Spark-plug number
Mazda Genuine spark
plug*3PE5R-18-110 or PE5S-18-110
*1 Q-85 is designed for i-ELOOP sys
tem. Only Q-85 should be used to ensure correct operation of i-ELOOP
system. Consult an Authorized Mazda Dealer for details.
*2 Not for i-ELOOP system.*3 This spark plug provides the SK YACTIV-G engine with optimum performance. Contact an Authorized Mazda
Dealer for details.
CAUTION
When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the
iridium alloy and platinum tips could be damaged.
▼ Lubricant Quality
Lubricant
Classification
Engine oil Refer to Recommended Oil on page 6-23.
Manual transaxle oil API Service
GL-4
SAE 75W-80
Automatic transaxle fluid Mazda Genuine ATF FZ
Brake/Clutch fluid SAE J1703 or FMVSS116 DOT-3
NOTE
Refer to Introduction on (page 6-2) for owner's responsibility in protecting your investment.
Specifications
Specifications
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Index
Aluminum Wheel Maintenance... 6-68
Bright-Metal Maintenance...........6-67
Maintaining the Finish................ 6-64
Plastic Part Maintenance............. 6-68
F
FlasherHazard warning........................... 4-56
Headlights.................................... 4-43
Flat Tire............................................... 7-3 Mounting the Spare Tire..............7-11
Removing a Flat Tire.................... 7-7
Floor Mat.......................................... 3-46
Fluid Brake/Clutch................................ 6-27
Washer......................................... 6-27
Fluids Classification................................. 9-4
Fog Lights......................................... 4-48
Foot Brake.........................................4-60
Forward Sensing Camera (FSC)..... 4-131
Front Seat............................................ 2-5
Fuel Filler lid and cap......................... 3-28
Gauge........................................... 4-15
Requirements............................... 3-25
Tank capacity.................................9-5
Fuel Consumption Display............... 4-72
Fuel Economy Monitor..................... 4-72 Control status display.................. 4-73
Ending screen display................. 4-73
Fuel consumption display............4-72
Fuses.................................................. 6-57 Panel description......................... 6-59
Replacement................................ 6-57
G
Gauges............................................... 4-12
Glove Compartment........................ 5-136
H
Hazardous Driving............................ 3-46
Hazard Warning Flasher....................4-56
HeadlightsComing home light......................4-46
Control......................................... 4-43
Flashing....................................... 4-46
High-low beam............................ 4-46
Leaving home light..................... 4-47
Leveling....................................... 4-47
Head Restraint................................... 2-10
High Beam Control System
(HBC)................................................ 4-81 High Beam Control System (HBC)
indicator light (green)..................4-82
Hill Launch Assist (HL A)................ 4-64
HomeLink Wireless Control
System............................................... 4-56
Hood Release............. ....................... 6-20
Horn...................................................4-55
I
If a Warning Light Turns On or
Flashes............................................... 7-25
If the Active Driving Display does not
operate............................................... 7-45
Ignition
Switch............................................ 4-4
Ignition not switched off (STOP)
warning beep..................................... 7-39
Immobilizer System..... ..................... 3-41
Indicator Lights................................. 4-25 Low engine coolant
temperature.................................. 4-28
Wrench......................................... 4-28
Inside Trunk Release Lever.............. 3-24
Inspecting Brake/Clutch Fluid
Level.................................................. 6-27
Inspecting Coolant Level.................. 6-25
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