2023 MAZDA MAZDA battery replacement

The following conditions indicate that
the battery power is low:
A message, “Low Key Fob Battery.
Replace Battery” is displayed on the
multi-information display when the
ignition is switched OFF.
The system does not operate and the
operation indicator light on the
transmitter does not flash when the
buttons are pressed.
The system's operational range is
reduced.
Incorrect battery replacement
operation may damage the key.
Replacing the battery at an Authorized
Mazda Dealer is recommended. If
replacing the battery by yourself,
follow the instruction.
Replacing the key battery
1. Remove the lower cover while sliding the knob in the direction of
the arrow.
2. Press in the tab to unlock the uppercover.
3. Insert a tape-wrapped flatheadscrewdriver into the gap and slide it
in the direction of the arrow.
4. Twist the flathead screwdriver in the
direction of the arrow and remove
the upper cover.
5. Remove the cap using the tape-wrapped flathead screwdriver.
6. Remove the battery using
tape-wrapped flathead screwdriver.
7. Insert a new battery into thetransmitter so that the positive pole
is facing up.
Maintenance and Care
Owner Maintenance
6-31
Mazda3_8LC2-EA-22G_Edition1_new 2022-5-20 11:26:10

Specifications
▼Engine
Item Specification
SKYACTIV-G 2.0 SKYACTIV-G 2.5 SKYACTIV-G 2.5T
Type DOHC-16V in-line, 4-cylinder
Bore × Stroke 83.5 × 91.2 mm (3.29 ×
3.59 in) 89.0 × 100.0 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
10.5
▼Electrical System
Classification
Specification
Battery
*1U.S.A. and Canada 12V-60Ah/20HR or 12V-65Ah/20HR
Mexico 12V-60Ah/20HR
Spark-plug
number SKYACTIV-G 2.0
Mazda Genuine spark
plug
*2PE5R-18-110–A or
PE5S-18-110
SKYACTIV-G
2.5 With Cylinder
Deactivation
Mazda Genuine spark
plug
*2P5SP-18110
Without Cylin-
der Deactiva-
tion Mazda Genuine spark
plug
*2PE5R-18-110–A or
PE5S-18-110
SKYACTIV-G 2.5T Mazda Genuine spark
plug
*2PY8V-18-110
*1 Check the battery installed on the vehicle and us
e a battery with an equal or higher performance.
However, the performance of the battery may vary even among the same battery types, consult an
Authorized Mazda Dealer for replacement.
*2 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 no t use a wire brush. The fine particulate
coating on the iridium alloy and platinum tips could be damaged.
Specifications
Specifications
9-4
Mazda3_8LC2-EA-22G_Edition1_new 2022-5-20 11:26:10

Index
A
Accessory Socket....................... 5-42
Active Driving Display................4-36
Adaptive Front Lighting System
(AFS)...................................... 4-101
Add-On Non-Genuine Parts and
Accessories............................... 8-17
Advanced KeyAdvanced keyless entry
system................................... 3-9
Operational range................ 3-10
Advanced Keyless Entry System..... 3-9
Antilock Brake System (ABS).......4-88
Assist Grips............................... 5-45
AUTOHOLD.............................. 4-82
AUTOHOLD Warning Beep........ 7-46
Automatic Transmission Active Adaptive Shift (AAS)... 4-44
Automatic transmission
controls................................4-41
Direct mode.........................4-51
Driving tips.......................... 4-52
Manual shift mode............... 4-45
Shift-lock system...................4-42
Transmission ranges.............. 4-43
B
Battery...................................... 6-28Maintenance........................ 6-30
Replacement........................ 6-30
Specifications......................... 9-4
Battery Runs Out....................... 7-17
Jump-starting....................... 7-17
Blind Spot Monitoring (BSM)....4-107 Canceling operation of Blind Spot
Monitoring (BSM)...............4-111
Blind Spot Monitoring (BSM) Warning
Beep.........................................7-47
Body Lubrication....................... 6-22
Bottle Holder............................ 5-45
Brakes Brake assist.......................... 4-81
Brake override system........... 4-81
Electric Parking Brake (EPB)....4-77
Foot brake............................4-76
Pad wear indicator................4-80
Parking brake....................... 4-77
Warning light........................4-80
Brake Override System............... 4-81
Brake Override Warning Beep.....7-46
Brake System Warning Beep....... 7-46
Break-In Period......................... 3-46
C
Capacities...................................9-5
Cell Phones.............................. 8-18
Center Console......................... 5-47
Child Restraint Categories of child-restraint
systems................................ 2-36
Child-restraint precautions.... 2-31
Child-restraint system
installation........................... 2-36
Child-restraint system suitability
for various seat positions
table.................................... 2-38
Installing child-restraint
systems................................ 2-41
ISOFIX child-restraint systems
(Mexico).............................. 2-49
LATCH child-restraint systems
(Except Mexico)................... 2-49
Climate Control System Fully automatic type..............5-10
Manual type...........................5-5
Operating tips........................ 5-2
Vent operation....................... 5-3
Collision warning...................... 7-48
Coming Home Light.................. 4-61
10-2
Mazda3_8LC2-EA-22G_Edition1_new 2022-5-20 11:26:10

Index
Mazda Connect Basic
Operations........................... 5-19
Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function)........................4-139 Close proximity warning...... 4-143
Display indication............... 4-142
Setting the system...............4-144
Stop hold control............... 4-149
Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function) System
Warnings.................................. 7-48
Mazda Radar Cruise Control
(MRCC).................................. 4-130 Close proximity warning...... 4-133
Display indication............... 4-132
Setting the system...............4-134
Shift-up/shift-down request
display............................... 4-139
Mazda Radar Cruise Control (MRCC)
System Warnings....................... 7-47
Message Indicated on Multi-
information Display................... 7-40
Meters...................................... 4-18
Mirrors Outside mirrors.................... 3-31
Rearview mirror.................... 3-33
Mirror Defogger........................ 4-70
Moonroof................................. 3-38
Multi-information Display.......... 4-20
M Hybrid.................................. 4-53
O
Outside Mirrors.........................3-31
Overhead Console.................... 5-47
Overhead Lights........................ 5-40
Overheating.............................. 7-21
Overloading.............................. 3-51
Owner Maintenance
Closing the hood..................6-13
Engine compartment
overview.............................. 6-14
Key battery replacement........6-30
Opening the hood................ 6-12
Owner maintenance
precautions.......................... 6-11
P
Parking Brake............................ 4-77
Parking Sensor System............. 4-247
Power Steering.......................... 4-95
Power Windows........................ 3-35
R
Rearview Mirror........................ 3-33
Rear Coat Hooks....................... 5-46
Rear Cross Traffic Alert (RCTA) ...........
.............................................. 4-126
Rear Cross Tra ffi c Alert (RCTA)
Warning Beep........................... 7-47
Rear Door Child Safety Locks..... 3-19
Rear Side Radar Sensor............ 4-219
Rear View Monitor.................. 4-232 Displayable range on the
screen................................ 4-234
Rear view monitor
operation........................... 4-237
Rear view parking camera
location............................. 4-233
Switching to the rear view monitor
display............................... 4-234
Variance between actual road
conditions and displayed
image................................ 4-244
Viewing the display.............4-235
Rear Window Defogger............. 4-69
Rear Window Washer................ 4-68
Rear Window Wiper.................. 4-68
Recommended Oil.................... 6-16
10-7
Mazda3_8LC2-EA-22G_Edition1_new 2022-5-20 11:26:10

Index
Recording of Vehicle Data..........8-20
Recreational Towing.................. 3-53
Registering Your Vehicle in A Foreign
Country.................................... 8-16
ReplacementFuse..................................... 6-39
Key battery........................... 6-30
Light bulbs........................... 6-36
Tires.....................................6-34
Wheel.................................. 6-36
Wiper.................................. 6-23
Rocking the Vehicle................... 3-48
S
Safety Defects, Reporting
(Canada).................................. 8-14
Safety Defects, Reporting
(U.S.A.).................................... 8-12
Saving Fuel and Protection of the
Environment............................. 3-46
Scheduled Maintenance Canada.................................. 6-6
Mexico.................................. 6-8
U.S.A. and Puerto Rico........... 6-4
Seats Driver's seat........................... 2-5
Front passenger's seat........... 2-13
Front seat............................... 2-5
Head restraint...................... 2-17
Rear seat.............................. 2-14
Seat warmer......................... 2-19
Seat Belt System Automatic locking................ 2-24
Emergency locking................ 2-24
Extender.............................. 2-29
Pregnant women.................. 2-24
Seat belt precautions............ 2-22
Seat Belt Warning Beep............. 7-43
Security System Immobilizer system............... 3-42
Theft-deterrent system.......... 3-44
Selector Lever Not In P or N
Reminder Warning Beep............ 7-46
Shift Position Warning Beep....... 7-46
Smart Brake Support (SBS)....... 4-168 Stopping the Smart Brake Support
(SBS) system operation........4-176
Spare Tire................................... 7-5
Spare Tire and Tool Storage.......... 7-3
Specifications Capacities.............................. 9-5
Dimensions............................ 9-6
Electrical system..................... 9-4
Engine................................... 9-4
Light bulbs............................. 9-9
Lubricant quality..................... 9-5
Tires.....................................9-10
Weights................................. 9-7
SRS Air Bags Driver and front passenger
occupant classification
system................................. 2-69
How the SRS air bags work.... 2-62
Limitations to SRS air bag...... 2-68
Monitoring........................... 2-74
SRS air bag deployment
criteria................................. 2-66
Supplemental restraint system
components......................... 2-60
Supplemental restraint system
(SRS) precautions................. 2-54
Starting the Engine...................... 4-5
Steering Wheel Heated steering wheel.......... 2-20
Horn.................................... 4-70
Storage Compartments.............. 5-46 Center console..................... 5-47
Glove compartment..............5-47
Overhead console................ 5-47
Storage pocket..................... 5-47
Storage Pocket.......................... 5-47
10-8
Mazda3_8LC2-EA-22G_Edition1_new 2022-5-20 11:26:10