Mazda 3 Hatchback (2018 year). Manual

Vehicle Information

Labels

▼ Vehicle Identification Number

The vehicle identification number legally
identifies your vehicle. The number is on a
plate attached to the cowl panel located on
the left corner of the dashboard. This plate
can easily be seen through the windshield.

▼ Motor Vehicle Safety Standard

Label (U.S.A. and Canada)

▼ Chassis Number

Open the cover shown in the figure to
check the chassis number.

▼ Vehicle Emission Control

Information Label (U.S.A. and
Canada)

▼ Tire Pressure Label

Specifications

Identification Numbers

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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

12V-60Ah/20HR

or 12V-65Ah/20HR

Spark-plug number

Mazda Genuine spark
plug

PE5R-18-110 or PE5S-18-110

1 Q-85 is designed for i-ELOOP system. 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 SKYACTIV-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

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▼ Capacities

(Approximate Quantities)

Item

Capacity

Engine oil

SKYACTIV-G
2.0

With oil filter replacement

4.2 L (4.4 US qt, 3.7 Imp qt)

Without oil filter replacement

4.0 L (4.2 US qt, 3.5 Imp qt)

SKYACTIV-G
2.5

With oil filter replacement

4.5 L (4.8 US qt, 4.0 Imp qt)

Without oil filter replacement

4.3 L (4.5 US qt, 3.8 Imp qt)

Coolant

SKYACTIV-G
2.0

For vehicle identi-
fication number
beginning with
JM1

Manual transaxle

6.3 L (6.7 US qt, 5.5 Imp qt)

Automatic transaxle

6.5 L (6.9 US qt, 5.7 Imp qt)

For vehicle identi-
fication number
beginning with
3MZ

Manual transaxle

6.2 L (6.6 US qt, 5.5 Imp qt)

Automatic transaxle

6.5 L (6.9 US qt, 5.7 Imp qt)

SKYACTIV-G
2.5

For vehicle identi-
fication number
beginning with
JM1

Manual transaxle

6.5 L (6.9 US qt, 5.7 Imp qt)

Automatic transaxle

(U.S.A. and Canada)

6.8 L (7.2 US qt, 6.0 Imp qt)/

(Mexico)

6.7 L (7.1 US qt, 5.9 Imp qt)

For vehicle identi-
fication number
beginning with
3MZ

Manual transaxle

6.5 L (6.9 US qt, 5.7 Imp qt)

Automatic transaxle

6.7 L (7.1 US qt, 5.9 Imp qt)

Manual transaxle oil

SKYACTIV-G 2.0

1.70 L (1.80 US qt, 1.50 Imp qt)

SKYACTIV-G 2.5

1.65 L (1.74 US qt, 1.45 Imp qt)

Automatic transaxle fluid

7.8 L (8.2 US qt, 6.9 Imp qt)

Fuel tank

U.S.A. and Canada

50.0 L (13.2 US gal, 11.0 Imp gal)

Mexico

51.0 L (13.5 US gal, 11.2 Imp gal)

Check oil and fluid levels with dipsticks or reservoir gauges.

1 Check the vehicle identification number on the vehicle identification number plate. Refer to Vehicle

Identification Number on page 9-2.

Specifications

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▼ Dimensions

4-Door

(U.S.A. and Canada)

Item

Vehicle specification

Overall length

4,580 mm (180.3 in)

Overall width

1,795 mm (70.7 in)

Overall height

1,455 mm (57.3 in)

Front tread

1,555 mm (61.2 in)

Rear tread

1,560 mm (61.4 in)

Wheelbase

2,700 mm (106.3 in)

(Mexico)

Item

Vehicle specification

Overall length

4,580 mm (180.3 in)

Overall width

1,795 mm (70.7 in)

Overall height

1,450 mm (57.1 in)

Front tread

1,555 mm (61.2 in)

Rear tread

1,560 mm (61.4 in)

Wheelbase

2,700 mm (106.3 in)

5-Door

(U.S.A. and Canada)

Item

Vehicle specification

Overall length

4,470 mm (176.0 in)

Overall width

1,795 mm (70.7 in)

Overall height

Type A

1,470 mm (57.9 in)

Type B

1,455 mm (57.3 in)

Front tread

1,555 mm (61.2 in)

Rear tread

1,560 mm (61.4 in)

Wheelbase

2,700 mm (106.3 in)

Specifications

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(Mexico)

Item

Vehicle specification

Overall length

4,470 mm (176.0 in)

Overall width

1,795 mm (70.7 in)

Overall height

Type A

1,465 mm (57.7 in)

Type B

1,450 mm (57.1 in)

Front tread

1,555 mm (61.2 in)

Rear tread

1,560 mm (61.4 in)

Wheelbase

2,700 mm (106.3 in)

1 The overall height is categorized according to the antenna type as follows:

Type A

Antenna

Type B
Except above.

Specifications

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▼ Weights

U.S.A. and Canada

SKYACTIV-G 2.0
(4-Door)

Item

Weight

Manual transaxle

Automatic transaxle

GVWR (Gross Vehicle Weight Rating)

1,788 kg (3,942 lbs)

1,823 kg (4,019 lbs)

GAWR (Gross Axle Weight Rating)

Front

940 kg (2,072 lbs)

975 kg (2,149 lbs)

Rear

855 kg (1,885 lbs)

856 kg (1,887 lbs)

(5-Door)

Item

Weight

Manual transaxle

Automatic transaxle

GVWR (Gross Vehicle Weight Rating)

1,788 kg (3,943 lbs)

1,818 kg (4,009 lbs)

GAWR (Gross Axle Weight Rating)

Front

942 kg (2,076 lbs)

975 kg (2,149 lbs)

Rear

855 kg (1,885 lbs)

850 kg (1,874 lbs)

SKYACTIV-G 2.5

Item

Weight

Manual transaxle

Automatic transaxle

GVWR (Gross Vehicle Weight Rating)

1,815 kg (4,001 lbs)

1,847 kg (4,072 lbs)

GAWR (Gross Axle Weight Rating)

Front

970 kg (2,138 lbs)

997 kg (2,198 lbs)

Rear

865 kg (1,907 lbs)

854 kg (1,883 lbs)

Mexico

SKYACTIV-G 2.0

Item

Weight

Manual transaxle

Automatic transaxle

GVW (Gross Vehicle Weight)

Total

1,815 kg (4,001 lbs)

1,835 kg (4,045 lbs)

Front

920 kg (2,028 lbs)

940 kg (2,072 lbs)

Rear

895 kg (1,973 lbs)

GAW (Permissible axle load)

Front

945 kg (2,083 lbs)

965 kg (2,127 lbs)

Rear

945 kg (2,083 lbs)

Specifications

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SKYACTIV-G 2.5

Item

Weight

GVW (Gross Vehicle Weight)

Total

1,865 kg (4,112 lbs)

Front

970 kg (2,138 lbs)

Rear

895 kg (1,973 lbs)

GAW (Permissible axle load)

Front

995 kg (2,194 lbs)

Rear

945 kg (2,083 lbs)

▼ Air Conditioner

The type of refrigerant used is indicated on a label attached to the inside of the engine com-
partment. Check the label before recharging the refrigerant. Refer to Climate Control Sys-
tem on page 5-2.

Item

Classification

Refrigerant Type

HFC134a (R-134a)

▼ Light Bulbs

Exterior light

Light bulb

Category

Wattage

UNECE

(SAE)

Headlights

Halogen

High beam

HB3 (9005)

Low beam

H11 (H11)

LED

High/Low beam

LED

― (―)

Daytime running lights

With halogen bulb headlights

HB3 (9005)

With LED headlights

LED

― (―)

Parking lights (Front side-marker
lights)

With halogen bulb headlights

WY5W (―)

Front side-marker lights

With LED headlights

LED

― (―)

Parking lights

With LED headlights

LED

― (―)

Front turn signal lights

WY21W (7443NA)

Fog lights

LED

― (―)

Side turn signal lights

LED

― (―)

High-mount brake light

LED

― (―)

Rear turn signal lights

WY21W (7443NA)

Brake lights/Taillights/Rear
side-marker lights

LED type

LED

― (―)

Bulb type

21/5

W21/5W (7443)

Taillights (Liftgate side/Trunk lid side)

LED

― (―)

Specifications

*Some models.

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Light bulb

Category

Wattage

UNECE

(SAE)

Reverse lights

4–Door

W16W (921)

5–Door

W21W (7440)

License plate lights

W5W (―)

1 UNECE stands for United Nations Economic Commission for Europe.

2 LED is the abbreviation for Light Emitting Diode.

Interior light

Light bulb

Category

Wattage

UNECE

Trunk light (4–Door)

―

Luggage compartment light (5–Door)

―

Overhead lights (Front)/Map lights

―

Overhead light (Front)

―

Overhead light (Rear)

―

Vanity mirror lights

―

1 UNECE stands for United Nations Economic Commission for Europe.

▼ Tires

NOTE
The tires have been optimally matched with the chassis of your vehicle.
When replacing tires, Mazda recommends that you replace tires of the same type originally
fitted to your vehicle. For details, contact an Authorized Mazda Dealer.

Check the tire pressure label for tire size and inflation pressure.
Refer to Tire Inflation Pressure on page 6-38.
After adjusting the tire pressure, initialization of the tire pressure monitoring system is
necessary to make the system operates normally.
Refer to Tire Pressure Monitoring System Initialization on page 4-148.

Standard tire

(U.S.A. and Canada)

Tire size

Inflation pressure

Front

Rear

P205/60R16 91H

250 kPa (36 psi)

215/45R18 89W

250 kPa (36 psi)

Specifications

9-10

*Some models.

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(Mexico)

Tire size

Inflation pressure

Front

Rear

P205/60R16 91H

250 kPa (2.5 bar, 36 psi)

Tire size

Inflation pressure

Up to 3 persons

―Full load

215/45R18 89W

Front

240 kPa (2.4 bar, 35 psi)

280 kPa (2.8 bar, 41 psi)

Rear

230 kPa (2.3 bar, 33 psi)

300 kPa (3.0 bar, 44 psi)

1 person's weight: About 75 kg

Temporary spare tire

Tire size

Inflation pressure

T125/70D16 96M

420 kPa (60 psi)

Lug nut tightening torque

When installing a tire, tighten the lug nut to the following torque.
108—147 N･m (12—14 kgf･m, 80—108 ft･lbf)

▼ Fuses

Refer to Fuses on page 6-57.

Specifications

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Personalization Features

The following personalization features can be set or changed by the customer or an Author-
ized Mazda Dealer. Consult an Authorized Mazda Dealer for details.
Additionally, some of the personalization features can be changed by the customer depend-
ing on the feature.
Personalization features and settings which can be changed differ depending on the market
and specification.

Settings Change Method

Settings can be changed by operating the center display screen.

A: Refer to Settings on page 5-50.
B: Refer to Fuel Economy Monitor on page 4-72.
C: Refer to Active Driving Display on page 4-20.

Settings can be changed by operating the vehicle switches.

D: Refer to Auto Lock/Unlock Function on page 3-16.
E: Refer to Transmitter on page 3-4.
F: Refer to Locking, Unlocking with Request Switch (With the advanced keyless function)
on page 3-13.

Settings can be changed by an Authorized Mazda Dealer.

Item

Feature

Factory Set-

ting

Available Set-

tings

Settings

Change
Method

Safety

Smart Brake
Support (SBS)
(page 4-128)

The system can be changed so that Smart
Brake Support (SBS) does not operate.

On/Off

A ―

The distance at which the collision warning ac-
tivates can be changed.

Med

Far/Med/Near

A ―

The volume of the collision warning can be
changed.

High

High/Low/Off

A ―

Smart City
Brake Support
(SCBS) (page
4-124)

The system can be changed so that Smart City
Brake Support (SCBS) does not operate.

On/Off

A ―

Specifications

Personalization Features

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Item

Feature

Factory Set-

ting

Available Set-

tings

Settings

Change
Method

Lane-keep As-
sist System
(LAS) & Lane
Departure Warn-
ing System
(LDWS) (page
4-113)

The system can be changed so that the steering
wheel assist does not operate.

On/Off

A ―

When the steering
wheel operation assis-
tance is turned on

The cancel sensitivity
of the steering assis-
tance for the system
can be changed.

High

High/Low

A ―

The system can be
changed so that the
Lane Departure Warn-
ing does not activate.

On/Off

A ―

When the steering
wheel operation assis-
tance is turned off

The warning timing in
which the system de-
termines that the vehi-
cle may be deviating
from its lane can be
changed.

At/Before

A ―

The sensitivity of the
warning for the sys-
tem can be changed.

Often

Often/Rare

A ―

Lane-keep As-
sist System
(LAS) & Lane
Departure Warn-
ing System
(LDWS) (page
4-113)

The type of Lane-keep Assist System (LAS) &
Lane Departure Warning System (LDWS)
warning can be changed.

Vibration

Vibration/Beep/

Rumble

A ―

The warning intensity/
volume of the
Lane-keep Assist Sys-
tem (LAS) & Lane De-
parture Warning Sys-
tem (LDWS) system
can be changed.

Vibration

Low

High/Low

A ―

Rumble

Low

High/Mid/Low

A ―

Beep

Low

High/Low

A ―

Blind Spot Mon-
itoring (BSM)
(page 4-84)

The system can be changed so that Blind Spot
Monitoring (BSM) does not operate.

On/Off

A ―

Warning beep volume

High

High/

Low/

Off

A ―

Distance Recog-
nition Support
System (DRSS)
(page 4-96)

The system can be changed so that Distance
Recognition Support System (DRSS) does not
operate.

On/Off

A ―

The distance at which the vehicle ahead and
your vehicle indicated in the display flashes in
white can be changed.

Near

Far/Medium/

Near

A ―

Specifications

Personalization Features

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Item

Feature

Factory Set-

ting

Available Set-

tings

Settings

Change
Method

Traffic Sign
Recognition
System (TSR)

(page 4-90)

The Traffic Sign Recognition System (TSR)
can be set to inoperable.

On/Off

A ―

The warning pattern of the excessive speed
warning can be changed.

Off

Off/

Visual/

Audio & Visual

A ―

The activation timing for the excessive speed
warning can be changed.

0/ 5/ 10

A ―

Vehicle

Door locks
(page 3-16)

Operation condition of auto lock/unlock func-
tion

Lock: When

Driving, Un-

lock: IGN

OFF

Off/

Lock When

Driving/

Lock: Driving,

Unlock: IGN

Off/

Lock When

Shifting Out Of

Lock: Shift

From P, Unlock:

In P/

Lock: Driving,

Unlock: In P

A D

Keyless entry
system (page 3-
3)

Method for unlocking door using transmitter

Once: Driv-

er's, Twice:

All Doors

Touch Once: All

Doors/

Once: Driver's,

Twice: All

Doors

Time for locking door automatically

60 seconds

90 seconds/
60 seconds/

30 seconds

A ―

Specifications

Personalization Features

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Mazda 3 Hatchback (2018 year). Manual - part 37