2024 MAZDA CX90 battery

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
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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
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Door-Ajar WarningSound
A warning sound is activated if the
vehicle is driven with any door or
liftgate ajar. Drive the vehicle after
closing the doors and liftgate.
Battery Saving ModeWarning Sound
A warning sound is activated when the
vehicle goes into Battery Saving Mode.
To charge the lead-acid battery, start
the hybrid system and operate it for 5
minutes or longer.
What to Do in Case of Emergency
Warning Sound is Activated
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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
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Checking the Inspection Locations and InspectionItems
1. Lead-acid battery
2. Engine oil
3. Brake fluid
4. Coolant
5. Windshield washer fluid

Opening the engine cover
1. Open the hood (page 4-27).
2.
Inspection and Servicing/Cleaning
Engine Compartment Inspection
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Replenish the washer fluid on a flat
surface. If the vehicle is tilted, washerfluid may not fill sufficiently.
Add washer fluid under any of the
following conditions.
The top of the fluid level is low.The Low Washer Fluid Level Warning
Indication/Warning Light (if
equipped) turns on.
The top of the fluid level is lower
than L (if equipped).

Use plain water if washer fluid is
unavailable.
But use only washer fluid in cold
weather to prevent it from freezing.
Inspecting Lead-acid
Battery
WARNING
Read the following
precautions carefully before using the
lead-acid battery or inspecting to
ensure safe and correct handling.
Always wear eye
protection when working near the
lead-acid battery.
Working without eye protection is
dangerous. Lead-acid battery fluid
contains SULFURIC ACID which could
cause blindness if splashed into your
eyes. Also, hydrogen gas produced
during normal lead-acid battery
operation, could ignite and cause the
lead-acid battery to explode.
Wear eye protection
and protective gloves to prevent
contact with lead-acid battery fluid.
Spilled lead-acid battery fluid is
dangerous.
Lead-acid battery fluid contains
SULFURIC ACID which could cause
serious injuries if it gets in eyes, or on
the skin or clothing. If this happens,
immediately flush your eyes with water
for 15 minutes or wash your skin
thoroughly and get medical attention.
Inspection and Servicing/Cleaning
Engine Compartment Inspection
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Always keep lead-acid
batteries out of the reach of children.
Allowing children to play near
lead-acid batteries is dangerous.
Lead-acid battery fluid could cause
serious injuries if it gets in the eyes or
on the skin.
Keep flames and sparks
away from lead-acid battery cells and
do not allow metal tools to contact
the positive (+) or negative (-)
terminal of the lead-acid battery
when working near a lead-acid
battery. Do not allow the positive (+)
terminal to contact the vehicle body.
Flames and sparks near lead-acid
battery cells are dangerous. Hydrogen
gas, produced during normal lead-acid
battery operation, could ignite and
cause the lead-acid battery to explode.
An exploding lead-acid battery can
cause serious burns and injuries. Keep
all flames including cigarettes and
sparks away from lead-acid battery
cells.
Keep all flames and
sparks away from lead-acid battery
cells because hydrogen gas is
produced from lead-acid battery cells
while charging the lead-acid battery
or adding lead-acid battery fluid.
Flames and sparks near lead-acid
battery cells are dangerous. Hydrogen
gas, produced during normal lead-acid
battery operation, could ignite and
cause the lead-acid battery to explode.
An exploding lead-acid battery can
cause serious burns and injuries. Keep
all flames including cigarettes and
sparks away from lead-acid battery
cells.

Before performing lead-acid battery
maintenance, remove the hole cover
and the lead-acid battery cover.
Removing the Hole Cover
1.
2.
Inspection and Servicing/Cleaning
Engine Compartment Inspection
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3.

Installing the Hole Cover
1. Insert the hole cover into the cowlgrille.
Make sure that the hole cover holds
the cowl grille and the knobs are in
the correct position.
1. The hole cover
2. The cowl grille
2.

Removing the Lead-acid Battery Cover

Maintaining Lead-acid Battery
To get the best service from a lead-acid
battery:
Keep it securely mounted.Keep the top clean and dry.Keep terminals and connections
clean, tight, and coated with
petroleum jelly or terminal grease.
Rinse off spilled electrolyte
immediately with a solution of water
and baking soda.
Inspection and Servicing/Cleaning
Engine Compartment Inspection
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