Page 389 of 508
Black plate (389,1)
Engine Compartment Overview
Power steering fluid reservoir
Power steering fluid reservoir
Windshield washer fluid reservoir
Windshield washer fluid reservoir
Engine coolant reservoir Fuse block
Engine coolant reservoir
Engine oil-filler cap
Engine oil-filler capEngine oil dipstick
Brake/Clutch fluid reservoir
Brake/Clutch fluid reservoir
Battery
Battery
Fuse block
Automatic transaxle fluid-level dipstick
(Only for automatic transaxle)
2.0-liter and 2.5-liter engine
2.3-liter turbocharged engine
Engine oil dipstick
Maintenance and Care
Owner Maintenance
8-17
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Form No.8BM5-EA-10F
Page 395 of 508

Black plate (395,1)
Brake/Clutch Fluid
qInspecting Brake/Clutch Fluid Level
The brakes and clutch draw fluid from the
same reservoir.
Inspect the fluid level in the reservoir
regularly. It should be kept at MAX.
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.
qAdding Brake/Clutch Fluid
WARNING
Be careful not to spill brake fluid on
yourself or on the engine:
Spilled brake fluid is dangerous. If it
gets in your eyes, they could be
seriously injured. If this happens,
immediately flush your eyes with
water and get medical attention.
Brake fluid spilled on a hot engine
could cause a fire.
If the brake/clutch fluid level is low,
have the brakes and clutch inspected:
Low brake/clutch fluid levels are
dangerous. Low levels could signal
brake lining wear or a brake system
leak. Your brakes could fail and
cause an accident.
If the fluid level is low, add fluid until it
reaches MAX.
Before adding fluid, thoroughly clean the
area around the cap.
CAUTION
ØBrake and clutch fluid will
damage painted surfaces. If brake
or clutch fluid does get on a
painted surface, wash it off with
water immediately.
ØUsing nonspecified brake and
clutch fluids (page 10-4) will
damage the systems. Mixing
different fluids will also damage
them.
If the brake/clutch system
frequently requires new fluid,
consult an Authorized Mazda
Dealer.
Maintenance and Care
Owner Maintenance
8-23
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Form No.8BM5-EA-10F
Page 490 of 508

Black plate (490,1)
Specifications
qEngine
ItemSpecification
2.0-liter engine2.3-liter turbocharged
engine2.5-liter engine
Type DOHC-16V in-line, 4-cylinder
Bore × Stroke87.5 × 83.1 mm
(3.44 × 3.27 in)87.5 × 94.0 mm
(3.44 × 3.70 in)89.0 × 100 mm
(3.50 × 3.94 in)
Displacement1,999 ml
(1,999 cc, 122.0 cu in)2,261 ml
(2,261 cc, 138.0 cu in)2,488 ml
(2,488 cc, 151.8 cu in)
Compression ratio 10.0 9.5 9.7
qElectrical System
ItemClassification
2.0-liter engine2.3-liter turbocharged
engine2.5-liter engine
Battery12V-40AH/5HR,
12V-52AH/5HR12V-48AH/5HR,
12V-52AH/5HR12V-40AH/5HR,
12V-48AH/5HR,
12V-52AH/5HR
Spark-plug numberLFG1 18 110
*1, L3Y2 18
110L3BD 18 110*1, L3YD 18
110LFG1 18 110*1, L3Y2 18
110
Spark-plug gap1.25―1.35 mm
(0.049―0.053 in)0.60―0.70 mm
(0.024―0.027 in)1.25―1.35 mm
(0.049―0.053 in)
*1 ex factory
NOTE
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.
qLubricant Quality
Lubricant Classification
Engine oil Refer to the recommended SAE viscosity numbers on page 8-18.
Manual transaxle oilAPI Service GL-4
SAE 75W-80
Automatic transaxle fluid Mazda Genuine ATF M-V
Power steering fluid Mazda Genuine ATF M-III, M-V, or equivalent (e.g. Dexron® II)
Brake/Clutch fluid SAE J1703 or FMVSS116 DOT-3
10-4
Specifications
Mazda3_8BM5-EA-10F_Edition2 Page490
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Form No.8BM5-EA-10F
Page 502 of 508

Black plate (502,1)
A
Accessory Socket ............................ 6-113
Adaptive Front Lighting System
(AFS) ................................................ 5-63
Add-On Non-Genuine Parts and
Accessories ....................................... 9-19
Advanced Key ..................................... 3-2
Advanced key maintenance ......... 3-5
Advanced key suspend
function ...................................... 3-21
Auxiliary key .............................. 3-21
Locking, unlocking with request
switch ........................................... 3-9
Opening the liftgate/trunk lid ..... 3-11
Operational range ......................... 3-7
Remote control function ............. 3-17
Service ......................................... 3-7
Warning and beep sounds .......... 3-22
When warning indicator/beep is
activated ..................................... 3-25
Air Bag Systems ............................... 2-43
Antenna ............................................. 6-16
Anti-Lock Brake System (ABS) ......... 5-8
Warning light ............................... 5-9
Appearance Care ............................... 8-60
Audio System ................................... 6-16
Audio control switch .................. 6-56
Audio set .................................... 6-27
AUX mode ................................. 6-59
Operating tips for audio
system ........................................ 6-17
Safety certification ..................... 6-61
Automatic Transaxle
Driving tips ................................ 5-19
Fluid ........................................... 8-24
Manual shift mode ..................... 5-16
Shift-lock override ..................... 5-15
Shift-lock system ....................... 5-15
Transaxle ranges ........................ 5-14
B
Battery
Emergency starting .................... 7-17
Maintenance ............................... 8-31
Specifications ............................. 10-4
Beep Sounds
Ignition key reminder ................. 5-57
Lights-on reminder ..................... 5-57
Seat belt warning ........................ 5-57
Tire inflation pressure warning ... 5-58
Before Starting the Engine .................. 4-6
After getting in ............................. 4-6
Before getting in .......................... 4-6
Bluetooth Audio ............................... 6-62
Bluetooth Hands-Free ....................... 6-71
Basic Bluetooth Hands-Free
operation .................................... 6-75
Convenient use of the hands-free
system ........................................ 6-80
Hands-free setting ...................... 6-86
Mazda Bluetooth Hands-Free
customer service ......................... 6-93
Safety certification ..................... 6-93
When Bluetooth Hands-Free cannot
be used ....................................... 6-92
Body Lubrication .............................. 8-27
Boost Gauge ..................................... 5-39
Bottle Holder ................................... 6-109
Brake/Clutch
Fluid ........................................... 8-23
Brakes
Anti-lock brake system (ABS) ..... 5-8
Brakes assist ............................... 5-10
Foot brake .................................... 5-5
Parking brake ............................... 5-7
Warning light ............................... 5-8
Break-In Period ................................... 4-7
Bulb Replacement ............................. 8-42
11-2
Index
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Form No.8BM5-EA-10F
Page:
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