2020 MAZDA MODEL 3-SEDAN overheating

6. Make sure the cooling fan is operating,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.
1. Cooling system cap
2. Cooling fan
3. Coolant reservoir

If you find no problems, the engine is
cool, and no leaks are obvious:
Carefully add coolant as required (page
6-17).
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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2. Turn off the engine and wait 5 minutesfor the oil to drain back into the oil
pan.
3. Inspect the engine oil level (page 6-16). 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 Indication
Displays if the engine coolant temperature
has increased excessively.
“Elevated Engine Coolant Temp. Drive
Slowly” displayed
Drive slowly to redu
ce 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 Overheati ng 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. 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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Index
MirrorsOutside mirrors..... ....................... 3-30
Rearview mirror.......................... 3-32
Mirror Defogger......... ....................... 4-57
Moonroof...........................................3-37
Multi-information Display................ 4-14
O
Outside Mirrors......... ........................ 3-30
Overhead Console............................. 5-42
Overhead Lights................................ 5-35
Overheating....................................... 7-21
Overloading....................................... 3-49
Owner Maintenance Closing the hood...... ................... 6-13
Engine compartment overview.... 6-14
Key battery replacemen t..............6-28
Opening the hood........................ 6-12
Owner maintenance
precautions................................... 6-11
P
Parking Brake....................................4-64
Parking Sensor System................... 4-235 Parking Sensor OFF Switch...... 4-239
Sensor detection range.............. 4-237
Power Steering.................................. 4-82
Power Windows............. ................... 3-34
R
Rearview Mirror........ ........................3-32
Rear Coat Hooks....... ........................ 5-41
Rear Cross Traffic Alert (RCTA).... 4-114
Rear Cross Traffic Alert (RCTA)
Warning Beep.................................... 7-44
Rear Door Child Safet y Locks.......... 3-18
Rear Side Radar Sensor.................. 4-208
Rear View Monitor......................... 4-220 Displayable range on the
screen......................................... 4-222
Rear view monitor operation..... 4-225
Rear view parking camera
location...................................... 4-221
Switching to the rear view monitor
display........................................4-221
Variance between actual road
conditions and displayed
image......................................... 4-232
Viewing the display................... 4-223
Rear Window Defogger. ................... 4-56
Rear Window Washer....................... 4-55
Rear Window Wiper.... ..................... 4-55
Recommended Oil.............................6-15
Recording of Vehicle Data................ 8-20
Recreational Towing......................... 3-51
Registering Your Vehicle in A Foreign
Country.............................................. 8-16
Replacement Fuse..............................................6-38
Key battery.................................. 6-28
Light bulbs...................................6-35
Tires............................................. 6-33
Wheel........................................... 6-34
Wiper........................................... 6-21
Rocking the Vehicle.......................... 3-46
S
Safety Defects, Reporting
(Canada)............................................ 8-14
Safety Defects, Repor ting (U.S.A.)... 8-12
Saving Fuel and Protection of the
Environment...................................... 3-44
Scheduled Maintenance Canada........................................... 6-6
Mexico........................................... 6-8
U.S.A. and Puerto Rico................. 6-4
Seats Driver's seat................................... 2-5
Front passenger's seat.................. 2-13
Front seat....................................... 2-5
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Index
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............................ 8-31
Tire Pressure Monitoring System.... 4-216
Touch Sensor Inoperable Warning Beep
(With the advanced keyless
function)............................................ 7-43
To w i n g Recreational towing.....................3-51
Trailer towing.............................. 3-51
Towing Description........................... 7-23
Traction Control System (TCS)........ 4-76
TCS/DSC indicator light............. 4-76
Traffic Jam Assist (TJA).................4-137 Close proximity warning........... 4-142
Display indication......................4-141
Setting the system..................... 4-143
Shift-up/shift-down request
display........................................4-150
Stop hold control....................... 4-150
Traffic Sign Recognition System
(TSR)................................................. 4-99
Trouble Battery runs out........................... 7-17
Emergency starting...................... 7-20
Flat tire.......................................... 7-7
Overheating................................. 7-21
Parking in an emergency............... 7-2
When liftgate/tr unk lid cannot be
opened..........................................7-46
Trunk Lid............ .............................. 3-19
Inside trunk release lever............ 3-23
When liftgate/tr unk lid cannot be
opened..........................................7-46Trunk Light....... ................................ 5-35
Turn and Lane-Change Signals......... 4-50
Turn Signals...................................... 4-50
U
Ultrasonic Sensor............................ 4-209
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
Vehicle identification number........9-2
Vehicle Problem Warning Beep........ 7-44
W
Warning Sound is Activated Air bag/front seat belt pretensioner
system warning beep................... 7-41
AUTOHOLD warning beep........ 7-44
Blind Spot Monitoring (BSM)
warning beep............................... 7-44
Brake override warning beep...... 7-43
Collision warning........................ 7-45
Door-ajar warning beep...............7-45
Electric Parking Brake (EPB)
warning beep............................... 7-43
Excessive speed warning.............7-45
Front Cross Traffic Alert (FCTA)
Warning Beep.............................. 7-44
Ignition not switched off (STOP)
warning beep............................... 7-42
Key left-in-lugg age compartment/
trunk warning beep (With the
advanced keyless function)......... 7-43
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