2023 MAZDA CX3 engine overheat

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 6-18).
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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▼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 the light illuminates or the warning
indication is displayed while driving:
1. Drive to the side of the road and
park 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 6-17). 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
Warning Indicat 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 7-17.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Index
Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function) System
Warnings.................................. 7-43
Message Indicated on Multi-
information Display................... 7-35
Meters...................................... 4-18
MirrorsOutside mirrors.................... 3-35
Rearview mirror.................... 3-37
Mirror Defogger........................ 4-65
Moonroof................................. 3-42
Multi-information Display.......... 4-20
M Hybrid.................................. 4-49
O
Off-Road Traction Assist............ 4-88 Off-Road Traction Assist
indicator light....................... 4-88
Off-Road Traction
Assist switch......................... 4-89
Outside Mirrors.........................3-35
Overhead Console.................... 5-46
Overhead Lights........................ 5-40
Overheating.............................. 7-17
Overloading.............................. 3-56
Owner Maintenance Closing the hood..................6-13
Engine compartment
overview.............................. 6-14
Key battery replacement........6-29
Opening the hood................ 6-12
Owner maintenance
precautions.......................... 6-11
P
Parking Brake............................ 4-72
Parking Sensor System............. 4-231
Power Liftgate........................... 3-23
Power Liftgate Warning Beep...... 7-41
Power Steering.......................... 4-94
Power Windows........................ 3-39
R
Rearview Mirror........................ 3-37
Rear Coat Hooks....................... 5-45
Rear Cross Tra ffi c Alert (RCTA) ...........
.............................................. 4-124
Rear Cross Traffic Alert (RCTA)
Warning Beep........................... 7-42
Rear Door Child Safety Locks..... 3-20
Rear Side Radar Sensor............ 4-204
Rear View Monitor.................. 4-216 Displayable range on the
screen................................ 4-218
Rear view monitor
operation........................... 4-221
Rear view parking camera
location............................. 4-217
Switching to the rear view monitor
display............................... 4-218
Variance between actual road
conditions and displayed
image................................ 4-228
Viewing the display.............4-220
Rear Window Defogger............. 4-64
Rear Window Washer................ 4-63
Rear Window Wiper.................. 4-63
Recommended Oil.................... 6-16
Recording of Vehicle Data..........8-20
Recreational Towing.................. 3-58
Registering Your Vehicle in A Foreign
Country.................................... 8-16
Replacement Fuse..................................... 6-35
Key battery........................... 6-29
Light bulbs........................... 6-34
Tires.....................................6-32
Wheel.................................. 6-33
Wiper.................................. 6-22
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Index
Replacing a wheel................ 6-33
Snow tires............................ 3-54
Specifications......................... 9-8
Temporary spare tire............. 6-33
Tire chains............................3-54
Tire inflation pressure............6-31
Tire rotation......................... 6-32
Uniform tire quality grading
system (UTQGS)................... 8-21
Tire Information Location of the tire label
(placard).............................. 8-27
Steps for determining the correct
load limit............................. 8-34
Tire labeling......................... 8-23
Tire maintenance.................. 8-29
Vehicle loading.....................8-30
Tire Pressure Monitoring
System.................................... 4-212
Touch Sensor Inoperable Warning
Beep (With the advanced keyless
function)...................................7-40
To w i n g Recreational towing.............. 3-58
Trailer towing....................... 3-58
Towing Description................... 7-19
Traction Control System (TCS).... 4-85 TCS OFF Indicator Light......... 4-86
TCS OFF switch.................... 4-86
TCS/DSC indicator light........4-85
Tra ffi c Jam Assist (TJA).............. 4-138
Close proximity warning...... 4-143
Display indication............... 4-141
Setting the system...............4-144
Stop hold control............... 4-151
Traffic Sign Recognition System
(TSR)...................................... 4-110
Trouble Battery runs out.................... 7-13
Emergency starting................7-16
Flat tire.................................. 7-5Overheating......................... 7-17
Parking in an emergency......... 7-2
When liftgate cannot be
opened................................ 7-44
Turn and Lane-Change Signals.... 4-58
Turn Signals.............................. 4-58
U
Ultrasonic Sensor.................... 4-206
V
Vehicle Information Labels Chassis number...................... 9-2
Engine number....................... 9-3
Motor vehicle safety standard
label...................................... 9-2
Tire pressure label.................. 9-2
Vehicle emission control
information label.................... 9-2
Ve h i c l e identification
number..................................9-2
Vehicle Problem Warning Beep...7-42
W
Warning Sound is Activated........7-43 AUTOHOLD warning beep.... 7-42
Battery Saving Mode Warning
Sound.................................. 7-43
Blind Spot Monitoring (BSM)
warning beep....................... 7-42
Brake override warning
beep.................................... 7-41
Brake system warning beep....7-41
Collision warning..................7-43
Door-ajar warning beep........ 7-43
Electric Parking Brake (EPB)
warning beep....................... 7-42
Excessive speed warning........7-43
Front Cross Traffic Alert (FCTA)
Warning Beep...................... 7-42
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