2023 MAZDA MAZDA engine

6. Make sure the cooling fan isoperating, then turn off the engine
after the temperature has
decreased.
7. When cool, check the coolant level. If it is low, look for coolant leaks
from the radiator and hoses.

If you find a leak or other damage, or
if coolant is still leaking:
Stop the engine and call an Authorized
Mazda Dealer.
SKYACTIV-G 2.0 and SKYACTIV-G
2.5
1. Cooling system cap
2. Cooling fan
3. Coolant reservoir

SKYACTIV-G 2.5T
1. Coolant reservoir
2. Cooling fan
3. Cooling system cap

If you find no problems, the engine is
cool, and no leaks are obvious:
Carefully add coolant as required
(page 6-19).
CAUTION
If the engine continues to overheat or
frequently overheats, have the cooling
system inspected. The engine could be
seriously damaged unless repairs are
made. Consult an Authorized Mazda
Dealer.
If Trouble Arises
Overheating
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If a Warning Light TurnsOn or Flashes
▼If a Warning Light Turns On or
Flashes
If any warning light turns on/flashes,
take appropriate action for each light.
There is no problem if the light turns
off, however if the light does not turn
off
or turns
on/flashes again, consult
an Authorized Mazda Dealer.
The details for some warnings can be
viewed on the center display or
multi-information display in the
instrument cluster.
Center display
1. Select “Information” on the home screen.
2. Select “Vehicle Status Monitor”.
3. Select the applicable warning to view the warning details.
NOTE
You can also display the currently
occurring warning by sliding the
commander knob to the left while on
the home screen of the center display.
Multi-information display
1. Press the INFO switch on thesteering switch to display the
warning indication screen.
Refer to Multi-information Display
on page 4-20.
▼Brake System Warning Indication/
Warning Light
This warning has the following
functions:
Warning light inspection
For an operation check, make sure that
the light turns on when the ignition is
switched on, and turns off a few
seconds later or when the engine is
started.
When the light turns on
If the brake system warning light
remains illuminated the brake fluid
may be low or there could be a
problem with the brake system. Park
the vehicle in a safe place immediately
and contact an Authorized Mazda
Dealer.
Refer to Inspecting Brake/Clutch Fluid
Level on page 6-20.
WARNING
Do not drive with the brake system
warning light illuminated. Contact an
Authorized Mazda Dealer to have the
brakes inspected as soon as possible:
Driving with the brake system warning
light illuminated is dangerous. It
indicates that your brakes may not
work at all or that they could
completely fail at any time. If this light
remains illuminated, after checking
that the parking brake is fully released,
have the brakes inspected
immediately.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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CAUTION
In addition, the
effectiveness of the
braking may diminish so you may
need to depress the brake pedal
more strongly than normal to stop
the vehicle.
 (With M Hybrid)
When starting the engine, the brake
system warning light may turn on and
the warning indication may be
displayed. In this case, park the
vehicle in a safe location and release
the brake pedal.
If the brake system warning light/
warning indication does not turn
off
even after parking the vehicle, have
the vehicle inspected by an
Authorized Mazda Dealer.

▼ Electronic Brake Force Distribution
System Warning
If the electronic brake force
distribution control unit determines
that some components are operating
incorrectly, the control unit may
illuminate the brake system warning
light and the ABS warning light
simultaneously. The problem is likely to
be the electronic brake force
distribution system.
WARNING
Do not drive with both the brake
system warning light and ABS warning
light illuminated. Have the vehicle
towed to an Authorized Mazda
Dealer to have the brakes inspected as
soon as possible:
Driving when the brake system warning
light and ABS warning light are
illuminated simultaneously is
dangerous.
When both lights are illuminated, the
rear wheels could lock more quickly in
an emergency stop than under normal
circumstances.
▼ Charging System Warning
Indication/Warning Light
If the warning light illuminates while
driving , it indicates a malfunction of
the alternator or of the charging
system.
Drive to the side of the road and park
off the right-of-way. Consult an
Authorized Mazda Dealer.
CAUTION
Do not continue driving when the
charging system warning light is
illuminated because the engine could
stop unexpectedly.
▼Engine Oil Warning Indication/
Warning Light
This warning light indicates low engine
oil pressure.
CAUTION
Do not run the engine if the oil
pressure is low. Otherwise, it could
result in extensive engine damage.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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If the light illuminates or the warning
indication is displayed while driving:
1. Drive to the side of the road andpark off the right-of-way on level
ground.
2. Turn off the engine and wait 5 minutes for the oil to drain back
into the oil pan.
3. Inspect the engine oil level (page 6-18). If it's low, add the
appropriate amount of engine oil
while being careful not to overfill.
CAUTION
Do not run the engine if the oil
level is low. Otherwise, it could
result in extensive engine damage.
4. Start the engine and check the
warning light.

If the light remains illuminated even
though the oil level is normal or after
adding oil, stop the engine
immediately and have your vehicle
towed to an Authorized Mazda Dealer.
▼ High Engine Coolant Temperature
War n in g I nd ic at ion
Displays if the engine coolant
temperature has increased excessively.
“Elevated Engine Coolant Temp. Drive
Slowly” displayed
Drive slowly to reduce engine load
until you can find a safe place to stop
the vehicle and wait for the engine to
cool down.
“Excessive Engine Coolant Temp. Stop
the Vehicle in a Safe Location”
displayed
This indicates the possibility of
overheating. Park the vehicle in a safe
place immediately and stop the
engine.
Refer to Overheating on page 7-21.
CAUTION
Do not drive the vehicle with the high
engine coolant temperature warning
light illuminated. Otherwise, it could
result in damage to the engine.
▼Power Steering Malfunction
Indication/Indicator Light
The message is displayed if the electric
power steering has a malfunction.
If the message is displayed, stop the
vehicle in a safe place and do not
operate the steering wheel. There is no
problem if the indication turns off
when the engine is restarted after
some time has passed. If the indication
displays even after the engine is
restarted, contact an Authorized
Mazda Dealer if the message is
displayed continuously.
NOTE
If the message is displayed, the
power steering will not operate
normally. In this case, the steering
wheel can still be operated,
however, the operation may feel
heavy compared to normal, or the
steering wheel could vibrate when
turning.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Repeatedly jerking the steering
wheel left and right while the vehicle
is stopped or moving extremely
slowly will cause the power steering
system to go into protective mode
which will make the steering feel
heavy, but this does not indicate a
problem. If this occurs, park the
vehicle safely and wait several
minutes for the system to return to
normal.
▼ABS Warning Indicat ion/Warning
Light
If the ABS warning light stays on while
you're driving , the ABS control unit has
detected a system malfunction. If this
occurs, your brakes will function
normally as if the
vehicle had no ABS.
Should this happen, consult an
Authorized Mazda Dealer as soon as
possible.
NOTE
When the engine is jump-started to
charge the battery, uneven rpm
occurs and the ABS warning light
may illuminate. If this occurs, it is the
result of the weak battery and does
not indicate an ABS malfunction.
Recharge the battery.
The brake assist system does not
operate while the ABS warning light
is illuminated.
▼ Master Warning Indication
The indication displays if the system
has a malfunction.
Check the reason for the indication
displaying on the center display or
multi-information display.
Refer to If a Warning Light Turns On or
Flashes on page 7-27.
▼
Brake Control System Warning
Indication/Warning Light
The warning light illuminates when the
system has a malfunction. Have your
vehicle inspected at an Authorized
Mazda Dealer.
▼Electric Parking Brake (EPB)
Indication/Indicator Light
This warning has the following
functions:
Parking brake warning/Indicator light
inspection
The light illuminates when the parking
brake is applied with the ignition
switched to START or ON. It turns
off
when the parking brake is released.
When the light is flashing
The light flashes if the Electric Parking
Brake (EPB) has a malfunction. If the
light remains flashing even if the
Electric Parking Brake (EPB) switch is
operated, consult an Authorized
Mazda Dealer as soon as possible.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Brake Override Warning Indication
This message is displayed when the
accelerator pedal and brake pedal are
depressed at the same time while
driving.
Release the accelerator pedal and
depress the brake pedal.
▼Check Engine Indication/Light
If this light illuminates while driving ,
the vehicle may have a problem. It is
important to note the driving
conditions when the light illuminated
and consult an Authorized Mazda
Dealer.
The check engine light may illuminate
in the following cases:
The engine's electrical system has a
problem.
The emission control system has a
problem.
The fuel-filler cap is missing or not
tightened securely.
The fuel tank level being very low or
approaching empty.
If the check engine light remains on, or
it flashes continuously , do not drive at
high speeds and consult an Authorized
Mazda Dealer as soon as possible.
WARNING
If the check engine light turns on, do
not disconnect the battery cables.
If the battery cables are disconnected
and then reconnected, the engine
could be damaged and catch on fire.
▼i-stop Warning Indication/
Warning Light (Amber)*
The light turns
on/flashes
continuously if the system has a
problem.
Have the vehicle inspected by an
Authorized Mazda Dealer.
▼ Automatic Transmission Warning
Indication/Warning Light*
The indication/light illuminates when
the transmission has a problem.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼KEY Warning Indication/Warning
Light (Red)
“Keyless Entry System Malfunction.
Have the Vehicle Inspected” is
displayed
This message is displayed if the
advanced keyless entry & push button
start system has a problem.
Contact an Authorized Mazda Dealer.
CAUTION
If the message is indicated, or the push
button start indicator light (amber)
flashes, the engine may not start. If the
engine cannot be started, try starting it
using the emergency operation for
starting the engine, and have the
vehicle inspected at an Authorized
Mazda Dealer as soon as possible.
Refer to Emergency Operation for
Starting the Engine on page 4-9.
“Key Not Detected” is displayed
If the presence of the key cannot be
detected (dead battery, battery
malfunction, no key), it is displayed
when the driver attempts to start the
engine (push button start operation,
brake pedal depression).
Displayed when it is determined that
a key that was in the vehicle has
been removed from the vehicle. (Key
taken out warning. Other than
IG-OFF).
▼ Security Indicator Light
If the security indicator light flashes
continuously while you are driving, do
not shut off the engine. Go to an
Authorized Mazda Dealer and have it
checked. If the engine is shut off while
the indicator light is flashing, you will
not be able to restart it.
Make sure the key is within the
operational range for signal
transmission. Switch the ignition off,
and then restart the engine. If the
engine does not start after 3 or more
tries, contact an Authorized Mazda
Dealer.
NOTE
Because the electronic codes are reset
when the immobilizer system is
repaired, the keys are needed. Make
sure to bring all the keys to an
Authorized Mazda Dealer so that they
can be programmed.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Check Fuel Cap Warning
Indication/Warning Light
If the check fuel cap warning light
illuminates while driving, the
fuel-filler
cap may not be installed properly.
Action to be taken
Stop the engine and reinstall the
fuel-filler cap.
Refer to Refueling on page 3-29.
▼ Engine Oil Level Warning
Indication/Warning Light
This warning light indicates that the
engine oil level is around the MIN
mark (page 6-18).
CAUTION
Do not continue to drive the vehicle
with the engine oil level warning
indication/warning light displayed/
turned on. If the vehicle continues to
be driven with an
insufficient amount
of engine oil, it could cause damage to
the engine.
Action to be taken
Add 1 L (0.26 US gal, 0.22 Imp gal) of
engine oil (page 6-16).
▼ Seat Belt Warning Indication/
Warning Light (Front seat)
The seat belt warning light turns on if
the driver or front passenger's seat is
occupied and the seat belt is not
fastened with the ignition 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.
NOTE
The warning light flashes for about 6
seconds if the driver or front
passenger's seat is not fastened
when the ignition is switched ON.
(Except Mexico)
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 front passenger
occupant classification sensor to
function properly, do not place and
sit on an additional seat cushion on
the front passenger's seat. 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.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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