2021 MAZDA MODEL CX-30 battery replacement

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 pressing 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.
Maintenance and Care
Owner Maintenance
6-30
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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 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
Item
Classification
Battery
*112V-60Ah/20HR
Spark-plug
number SKYACTIV-G 2.0, SKY-
ACTIV-G 2.5
Mazda Genuine spark
plug
*2PE5R-18-110 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 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 6-17.
Coolant FL-22 type
Manual transmission oil Mazda Long Life Gear Oil G7
Automatic transmission fluid Mazda Genuine ATF FZ
Transfer case oil Mazda Long Life Hypoid Gear Oil SG1
Rear differential oil Mazda Long Life Hypoid Gear Oil SG1
Specifications
Specifications
9-4
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Index
A
Accessory Socket....................... 5-39
Active Driving Display................4-28
Adaptive Front Lighting System
(AFS)........................................ 4-90
Add-On Non-Genuine Parts and
Accessories............................... 8-18
Advanced KeyAdvanced keyless entry
system................................... 3-9
Operational range................ 3-10
Advanced Keyless Entry System..... 3-9
Antilock Brake System (ABS).......4-75
Assist Grips............................... 5-42
AUTOHOLD.............................. 4-69
AUTOHOLD Warning Beep........ 7-40
Automatic Transmission Active Adaptive Shift (AAS)... 4-36
Automatic transmission
controls................................4-33
Direct mode.........................4-42
Driving tips.......................... 4-43
Manual shift mode............... 4-36
Shift-lock system...................4-34
Transmission ranges.............. 4-35
B
Battery...................................... 6-28Maintenance........................ 6-29
Replacement........................ 6-29
Specifications......................... 9-4
Battery Runs Out....................... 7-13
Jump-starting....................... 7-13
Blind Spot Monitoring (BSM)..... 4-96 Canceling operation of Blind Spot
Monitoring (BSM)...............4-100
Blind Spot Monitoring (BSM) Warning
Beep.........................................7-41
Body Lubrication....................... 6-22
Bottle Holder............................ 5-41
Brakes Brake assist.......................... 4-67
Brake override system........... 4-68
Electric Parking Brake (EPB)....4-64
Foot brake............................4-63
Pad wear indicator................4-67
Parking brake....................... 4-64
Warning light........................4-67
Brake Override System............... 4-68
Brake Override Warning Beep.....7-40
Break-In Period......................... 3-49
C
Capacities...................................9-5
Cell Phones.............................. 8-19
Center Console......................... 5-44
Child Restraint Categories of child-restraint
systems................................ 2-35
Child-restraint precautions.... 2-30
Child-restraint system
installation........................... 2-35
Child-restraint system suitability
for various seat positions
table.................................... 2-37
Installing child-restraint
systems................................ 2-40
ISOFIX child-restraint systems
(Mexico).............................. 2-47
LATCH child-restraint systems
(Except Mexico)................... 2-47
Climate Control System Fully automatic type..............5-10
Manual type...........................5-6
Operating tips........................ 5-2
Vent operation....................... 5-3
Collision warning...................... 7-42
Coming Home Light.................. 4-47
Cruise Control........................ 4-209
10-2
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Index
Mazda Radar Cruise Control
(MRCC).................................. 4-119Close proximity warning...... 4-121
Display indication............... 4-121
Setting the system...............4-123
Shift-up/shift-down request
display............................... 4-126
Mazda Radar Cruise Control (MRCC)
System Warnings....................... 7-41
Message Indicated on Multi-
information Display................... 7-34
Meters...................................... 4-12
Mirrors Outside mirrors.................... 3-35
Rearview mirror.................... 3-37
Mirror Defogger........................ 4-56
Moonroof................................. 3-42
Multi-information Display.......... 4-14
O
Off-Road Traction Assist............ 4-79 Off-Road Traction Assist
indicator light....................... 4-79
Off-Road Traction
Assist switch......................... 4-80
Outside Mirrors.........................3-35
Overhead Console.................... 5-43
Overhead Lights........................ 5-37
Overheating.............................. 7-17
Overloading.............................. 3-55
Owner Maintenance Closing the hood..................6-14
Engine compartment
overview.............................. 6-15
Key battery replacement........6-29
Opening the hood................ 6-13
Owner maintenance
precautions.......................... 6-12
P
Parking Brake............................ 4-64
Parking Sensor System............. 4-232Parking Sensor OFF Switch... 4-236
Sensor detection range........4-234
Power Liftgate........................... 3-22
Power Liftgate Warning Beep...... 7-40
Power Steering.......................... 4-85
Power Windows........................ 3-39
R
Rearview Mirror........................ 3-37
Rear Coat Hooks....................... 5-42
Rear Cross Tra ffi c Alert (RCTA) ...........
.............................................. 4-115
Rear Cross Traffic Alert (RCTA)
Warning Beep........................... 7-41
Rear Door Child Safety Locks..... 3-19
Rear Side Radar Sensor............ 4-205
Rear View Monitor.................. 4-217 Displayable range on the
screen................................ 4-219
Rear view monitor
operation........................... 4-222
Rear view parking camera
location............................. 4-218
Switching to the rear view monitor
display............................... 4-219
Variance between actual road
conditions and displayed
image................................ 4-229
Viewing the display.............4-221
Rear Window Defogger............. 4-55
Rear Window Washer................ 4-54
Rear Window Wiper.................. 4-54
Recommended Oil.................... 6-17
Recording of Vehicle Data..........8-21
Recreational Towing.................. 3-57
10-7
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Index
Registering Your Vehicle in A Foreign
Country.................................... 8-17
ReplacementFuse..................................... 6-35
Key battery........................... 6-29
Tires.....................................6-33
Wheel.................................. 6-34
Wiper.................................. 6-23
Rocking the Vehicle................... 3-52
S
Safety Defects, Reporting
(Canada).................................. 8-15
Safety Defects, Reporting
(U.S.A.).................................... 8-14
Saving Fuel and Protection of the
Environment............................. 3-49
Scheduled Maintenance Canada.................................. 6-6
Mexico.................................. 6-9
U.S.A. and Puerto Rico........... 6-4
Seats Driver's seat........................... 2-4
Front passenger's seat........... 2-12
Front seat............................... 2-4
Head restraint...................... 2-16
Rear seat.............................. 2-13
Seat warmer......................... 2-18
Seat Belt System Automatic locking................ 2-23
Emergency locking................ 2-23
Extender.............................. 2-28
Pregnant women.................. 2-23
Seat belt precautions............ 2-21
Seat Belt Warning Beep............. 7-37
Security System Immobilizer system............... 3-45
Theft-deterrent system.......... 3-47
Shift Position Warning Beep....... 7-40
Smart Brake Support (SBS)....... 4-155
Collision warning................ 4-156
Stopping the Smart Brake Support
(SBS) system operation........4-157
Smart Brake Support [Rear Crossing]
(SBS-RC) .................................4-161
Collision warning................ 4-164
Stopping the Smart Brake Support
[Rear Crossing] (SBS-RC) system
operation........................... 4-164
Smart Brake Support [Rear] (SBS-
R) ........................................... 4-157
Collision warning................ 4-160
Stopping the Smart Brake Support
[Rear] (SBS-R) system
operation........................... 4-160
Spare Tire................................... 7-3
Spare Tire and Tool Storage.......... 7-3
Specifications Capacities.............................. 9-5
Dimensions............................ 9-6
Electrical system..................... 9-4
Engine................................... 9-4
Light bulbs............................. 9-7
Lubricant quality..................... 9-4
Tires.......................................9-8
Weights................................. 9-6
SRS Air Bags Driver and front passenger
occupant classification
system................................. 2-66
How the SRS air bags work.... 2-60
Limitations to SRS air bag...... 2-65
Monitoring........................... 2-71
SRS air bag deployment
criteria................................. 2-63
Supplemental restraint system
components......................... 2-58
Supplemental restraint system
(SRS) precautions................. 2-52
Starting the Engine...................... 4-5
Steering Wheel
10-8
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