2024 MAZDA CX90 key battery

KEY Indicator Light (Green)
(Flashing)............................ 8-54
Wrench Indicator Light......... 8-55
Warning Sound is Activated...... 8-56 Lights-On Reminder............. 8-56
Ve h i c l e Po w e r N o t S w i t c h e d O F F
Reminder Warning Sound.....8-56
Key Removed from Vehicle
Warning Sound.................... 8-57
Key Left-in-Vehicle Warning
Sound................................. 8-57
Key Left-In-Luggage
Compartment Warning Sound
(Vehicles With Advanced Keyless
Function)............................ 8-58
Door Lock Inoperable Warning
Sound................................. 8-58
Power Liftgate Warning Sound
*.....
.......................................... 8-59
Brake System Warning
Sound................................. 8-59
Brake Override Warning
Sound................................. 8-60
Electric Parking Brake (EPB)
Warning Sound.................... 8-60
Vehicle Problem Warning
Sound................................. 8-61
Shift Position Warning
Sound................................. 8-61
Selector Lever Not in P Reminder
Warning Sound.................... 8-62
Reverse Position Warning
Sound................................. 8-62
Door-Ajar Warning Sound ...........
.......................................... 8-63
Battery Saving Mode Warning
Sound................................. 8-63
If the Vehicle Becomes Stuck.... 8-64 What to do when the vehicle is
stuck................................... 8-64
*Some models.8-3
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04

6. Insert the tabs of the cover.Starting the Hybrid
System with a Dead Key Battery
CAUTION
Do not allow the following conditions.
Otherwise, the vehicle may not receive
the correct signal from the key and the
hybrid system may not start.
Metal parts of other keys or metal
objects touch the key.
Spare keys or keys for other vehicles
equipped with an immobilizer
system touch or come near the key.
Equipment containing electronic
components or cards with magnetic
strips such as credit cards come near
the key.
If the hybrid system cannot be started
due to a dead key battery, use the
following procedure to start the hybrid
system.
1. Depress the brake pedal. The power switch indicator light
(green) flashes.
What to Do in Case of Emergency
Key Does Not Operate
8-9
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04

Door-ajar Warning Light/Liftgate-open Warning Light/Hood-open
Warning Light
The light turns on if any door/liftgate/
hood is not closed securely.
Close the door/liftgate/hood securely.
KEY Indicator Light(Green) (Flashing)
The light flashes if the battery power of
the key is low when the vehicle power
is switched from ON to OFF.
Replace the key battery.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
8-54
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04

Lights-On Reminder
If the vehicle power is switched OFF
with the exterior lights turned on and
the driver’s door is opened, a sound is
activated.
Operate the headlight switch to turn
off the exterior lights.
NOTE
A personalized function is available to
change the sound volume for the
lights-on reminder.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
Ve h i c l e Po we r N o t
Switched OFF Reminder Warning Sound
If the driver's door is opened with the
vehicle power switched to ACC, a
beep will be heard continuously in the
cabin to notify the driver that the
vehicle power has not been switched
OFF (STOP). Under this condition, the
keyless entry system will not operate,
the vehicle cannot be locked, and the
lead-acid battery voltage will be
depleted.
Switch the vehicle power OFF.
What to Do in Case of Emergency
Warning Sound is Activated
8-56
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04

9Inspection and Servicing/Cleaning
Inspection and Servicing............ 9-2Inspection and Servicing.........9-2
Scheduled Maintenance............ 9-4 Scheduled Maintenance......... 9-4
Daily Inspection........................9-7 Daily Inspection.....................9-7
Warnings and Cautions for Daily
Inspection............................. 9-8
Engine Compartment
Inspection................................ 9-9 Checking the Inspection
Locations and Inspection
Items.................................... 9-9
Inspecting Engine Oil........... 9-13
Inspecting the Coolant......... 9-14
Inspecting the Brake Fluid..... 9-16
Replenishing Windshield Washer
Fluid................................... 9-17
Inspecting Lead-acid
Battery................................ 9-18
Replacing the Fuses.............. 9-21
Inspecting Body
Lubrication.......................... 9-22
Vehicle Exterior Inspection....... 9-23 Checking the Inspection
Locations and Inspection
Items.................................. 9-23
Replacing Windshield Wiper
Blade Rubbers..................... 9-23
Inspecting the Tires.............. 9-27Rotating the Tires................. 9-28
Replacing a Tire or a
Wheel................................. 9-29
Replacing Light Bulbs........... 9-30
Vehicle Interior Inspection....... 9-31 Checking the Inspection
Locations and Inspection
Items.................................. 9-31
Air Conditioner
Maintenance....................... 9-32
Key Inspection........................ 9-33 Warnings and Cautions about Key
Battery Replacement............ 9-33
Replacing the Key Battery..... 9-33
Exterior Maintenance.............. 9-35 Exterior Maintenance........... 9-35
Wheel Maintenance.............9-36
Interior Maintenance............... 9-37 Interior Maintenance........... 9-37
Instrument Panel Top (Soft pad)
Maintenance....................... 9-37
Upholstery and Synthetic Leather
Maintenance....................... 9-38
Leather Upholstery
Maintenance....................... 9-38
Maintenance of the Dust-proof
Sheet of the Active Driving
Display................................9-39
Seat Belt Maintenance......... 9-40
9-1
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04

Warnings and Cautionsabout Key BatteryReplacement
CAUTION
Make sure the battery is installed
correctly. Battery leakage could occur
if it is not installed correctly.
 When replacing the battery, be
careful not to touch any of the
internal circuitry and electrical
terminals, bend the electrical
terminals, or get dirt in the
transmitter as the transmitter could
be damaged.
 There is the danger of explosion if
the battery is not correctly replaced.
 Dispose of used batteries according
to the following instructions.
 Insulate the plus and minus
terminals of the battery using
cellophane or equivalent tape.
 Never disassemble.
 Never throw the battery into fire or
water.
 Never deform or crush.
 Replace only with the same type
battery (CR2032 or equivalent).
Replacing the Key Battery
Replace with a new battery before the
key becomes unusable.
The following conditions indicate that
the battery power is low:
The KEY indicator light (green)
flashes in the instrument cluster.
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,
heed the following instructions.
1. Remove the lower cover while pressing the knob in the direction
of the arrow.
2. Press in the tab to unlock the uppercover.
Inspection and Servicing/Cleaning
Key Inspection
9-33
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04

3. Insert a tape-wrapped flatheadscrewdriver into the gap and slide
it.
4. Twist the flathead screwdriver andremove the upper cover.
5. Remove the cap using thetape-wrapped flathead screwdriver.
6. Remove the battery using the
tape-wrapped flathead screwdriver.
7. Insert a new battery into the key sothat the positive pole is facing up.
8. Install the cap.
9. Install the upper cover.
10.Attach the lower cover so that itstabs are inserted into the slots of
the key.
Inspection and Servicing/Cleaning
Key Inspection
9-34
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04

Cell Phones.......................... 10-26Cell Phones Warning.......... 10-26
Uniform Tire Quality Grading System
(UTQGS).............................. 10-27 Uniform Tire Quality Grading
System (UTQGS)................ 10-27
Tread Wear........................ 10-27
Traction-AA, A, B, C........... 10-28
Temperature-A, B, C.......... 10-28
UNIFORM TIRE QUALITY
GRADING......................... 10-29
Tire Information (U.S.A.)........ 10-30 Tire Labeling...................... 10-30
Information on Passenger Vehicle
Tires.................................. 10-30
Information on Temporary
Tires.................................. 10-33
Location of the Tire Label
(Placard)........................... 10-34
Recommended Tire Inflation
Pressure............................ 10-34
Checking Tire Pressure........10-35
Glossary of Terms............... 10-36
Tire Maintenance............... 10-37
Tire Inflation Pressure......... 10-37
Tire Rotation...................... 10-38
Replacing a Tire................. 10-38
Safety Practices.................. 10-39
Vehicle Loading................. 10-40
Steps for Determining the Correct
Load Limit......................... 10-45
Declaration of Conformity..... 10-46 Keyless Entry System/Immobilizer
System.............................. 10-46
HomeLink Wireless Control
System.............................. 10-47Charging........................... 10-48
Tire Pressure Monitoring
System.............................. 10-49
Front Radar Sensor System ...........
........................................ 10-50
Front Side Radar Sensor System/
Rear Side Radar Sensor
System.............................. 10-51
Audio System.................... 10-52
Radio System..................... 10-54
Data Communication
System.............................. 10-55
Wireless Charger (Qi)......... 10-58
Identification Numbers.......... 10-59 Ve h i c l e I d e n t i fi c a t i o n
Number............................ 10-59
Motor Vehicle Safety Standard
Label.................................10-59
Chassis Number................ 10-60
Vehicle Emission Control
Information Label.............. 10-60
Tire Pressure Label..............10-61
Engine Number..................10-61
Vehicle Specification............. 10-62 Engine...............................10-62
Charge System................... 10-63
High Voltage Battery...........10-64
Electrical System................ 10-65
Lubricant Quality............... 10-66
Capacities......................... 10-67
Dimensions....................... 10-68
Weights.............................10-69
Light Bulbs.........................10-70
Tires.................................. 10-71
10-2
CX-90_8KG7-EA-22L_Edition1_new 2022-11-17 16:05:04