2024 MAZDA CX90 light

Check Engine WarningLight
WARNING
Do not disconnect the lead-acid
battery cables when the check engine
warning light is turned on/flashing.
The engine may be damaged when
reconnecting the lead-acid battery
cables, which could result in a fire.
The light turns on if the engine has a
problem while it is running.
Park the vehicle in a safe place
immediately and contact an
Authorized Mazda Dealer.
If any of the following problems occur,
the check engine warning light turns
on.
There is a problem with the hybrid
system
There is a problem with the emission
control system
There is a problem with the
transmission control system
The fuel tank level being very low or
approaching empty.
The fuel-filler cap is missing or not
tightened securely
If the check engine warning light
remains turned-on/flashing, do not
drive at high speed and have the
vehicle inspected by an Authorized
Mazda Dealer as soon as possible.
Automatic Transmission Warning Light
The light turns on if the system has a
problem.
Contact an Authorized Mazda Dealer.
CAUTION
Do not drive the vehicle with the
automatic transmission warning light
turned on. If the vehicle continues to
be driven while the automatic
transmission warning light is turned on,
the transmission could be damaged.
Have your vehicle inspected by an
Authorized Mazda Dealer as soon as
possible.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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AWD Warning Light
The light turns on if the system has a
problem or if the tire sizes do not
match.
Check the contents of the message
displayed and take the necessary
action.
Tire Pressure MonitoringSystem (TPMS) Warning Light (Flashing)
The light flashes if there is a
malfunction in the system.
Contact an Authorized Mazda Dealer.
WARNING
Do not drive the vehicle at high
speeds if the TPMS warning light turns
on or flashes:
Driving the vehicle at high speeds
while the TPMS warning light is turned
on or flashing is dangerous because
the brake performance and the
steering wheel operability will be
reduced. If the vehicle is driven at high
speeds or the brakes are suddenly
applied, it could lead to an accident.
Gradually apply the brakes to lower the
vehicle's speed.
Do not ignore the TPMS warning light
when it is turned on or flashing:
Continuing to driv e the vehicle while
ignoring the illumi nation/flashing of
the TPMS warning light is dangerous
because a tire may burst which could
lead to an accident. Take appropriate
measures as soon as possible.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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TCS/DSC Indicator Light(Turns on)
There may be a problem with the DSC,
TCS, or Hill Launch Assist (HLA) under
the following conditions.
Have your vehicle inspected by an
Authorized Mazda Dealer.
The light does not turn on or remains
on even if the vehicle power is
switched ON.
It turns on while driving the vehicle.
Air Bag/Seat Belt
Pretensioner System Warning Light
A problem in the system might be
indicated under the following
conditions.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Does not turn on even if the vehicle
power is switched ON.
Remains turned-on/flashing.
WARNING
Never tamper with the air bag/
pretensioner systems and always have
an Authorized Mazda Dealer perform
all servicing and repairs.
Self-servicing or tampering with the
systems is dangerous. An air bag/
pretensioner could accidentally
activate or become disabled causing
serious injury or death.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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KEY Warning Light (Red)
The light turns on if the system has a
problem or if the key is out of the
operation range.
Check the contents of the message
displayed and take the necessary
action.
CAUTION
If the power switch indicator light
(amber) flashes at the same time, the
hybrid system may not start. Have the
vehicle inspected by an Authorized
Mazda Dealer as soon as possible.
Security Indicator Light
If the security indicator light turns on/
flashes while driving , do not stop the
hybrid system (leave it operating) and
have the vehicle inspected at an
Authorized Mazda Dealer. If you stop
the hybrid system , you may not be
able to start it again.
If the hybrid system cannot be started,
switch the vehicle power OFF, place
the key in another position within the
operation range, and then restart the
hybrid system.
Check the security indicator light and if
it does not turn off, such as it remains
on or flashes, switch the vehicle power
OFF, wait for a while, and then restart
the hybrid system.
If the hybrid system does not start after
three attempts, a system malfunction
may have occurred. Have the vehicle
inspected by an Authorized Mazda
Dealer.
NOTE
When repairing the immobilizer
system, the key codes will need to be
reprogrammed. Bring all the remaining
keys to an Authorized Mazda Dealer.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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High Beam Control
System (HBC) Warning
Light (Amber)
*
The light turns on if the system has a
problem.
Have your vehicle inspected by an
Authorized Mazda Dealer.
i-ACTIVSENSE Warning Light
The light turns on if any i-ACTIVSENSE
related system has a problem.
Check the contents of the message
displayed and take the necessary
action.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
*Some models.8-49
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Exterior Lights WarningLight
The light turns on if the exterior lights
(not including the license plate lights)
has a problem.
Have your vehicle inspected by an
Authorized Mazda Dealer.
CAUTION
Do not drive the vehicle while an
exterior light has a malfunction. Poor
visibility, and not being able to signal
braking and turns may cause an
accident. In addition, if the vehicle is
driven with the lights not turned on, it
may conflict with laws and regulations
due to poor maintenance.
Low Fuel Warning Light
The light turns on/flashes when the
remaining fuel in the tank is near
empty.
When the light flashes, a warning
sound is activated.
Refuel immediately.
NOTE
The light illumination timing may vary
because fuel inside the fuel tank moves
around according to the driving
conditions and the vehicle posture.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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Check Fuel Cap WarningLight
If the check fuel cap warning light
illuminates while driving, the fuel-filler
cap may not be installed properly.
Stop the hybrid system and reinstall the
fuel-filler cap.
Engine Oil Level Warning Light
This warning light indicates that the
engine oil level is around the MIN
mark.
CAUTION
Do not continue to drive the vehicle
with the engine oil level warning light
turned on. If the vehicle continues to
be driven with an insufficient amount
of engine oil, it could cause damage to
the engine.
Add 1 L (0.26 US gal, 0.22 Imp gal) of
engine oil (page 9-13).
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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Seat Belt Warning Light(Front Seat)
The warning light flashes for about 6
seconds if the driver or front
passenger's seat is occupied and the
seat belt is not fastened with the
vehicle power switched ON.
If the driver or front passenger's seat
belt is unfastened (only when the front
passenger's seat is occupied) and if the
vehicle is driven at about 20 km/h (12
mph) or faster, or about 10 km/h (6
mph) or faster for a continuous 30
seconds, with the seat belt unfastened,
the warning light flashes for a certain
period.
After a short time, the warning light
stops flashing, but remains illuminated.
In addition, when the warning light
flashes, a warning sound is activated.
Wear the seat belt.

NOTE
Placing heavy items on the front
passenger's seat may cause the front
passenger's seat belt warning
function to operate depending on
the weight of the item.
To allow the sensor that detects an
occupant to function properly, do
not sit on the front passenger's seat
with a cushion or other object on it.
The sensor may not function properly
because the additional seat cushion
could cause sensor interference.
If a small child is seated on the front
passenger's seat, the warning light
may not operate.
Seat Belt Warning Light(Rear Seat) (Red)
When the vehicle power is switched
ON, the warning lights turn on if the
seat belts are not fastened.
*1*2
After the hybrid system is started, the
warning lights turn off after a short
period of time.
In addition, if a fastened seat belt is
unfastened, the warning light flashes
for a short period of time and then
turns off.
When the warning light flashes, a
warning sound is activated.
Wear the seat belt.

*1 The warning light also turns on when the rear seat is unoccupied.
*2 The number of seats displayed onthe warning light differs depending
on the specification.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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