2019 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 engi ne 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 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 7-20.
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 d
isplayed, stop the
vehicle in a safe place and do not operate
the steering wheel. There is no problem if
the message in the display turns off after a
while. 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
O
Outside Mirrors................................. 3-29
Overhead Console............................. 5-41
Overhead Lights................................ 5-34
Overheating....................................... 7-20
Overloading....................................... 3-48
Owner Maintenance Closing the hood...... ................... 6-13
Engine compartment overview.... 6-14
Key battery replacemen t..............6-27
Opening the hood........................ 6-12
Owner maintenance
precautions................................... 6-11
P
Parking Brake....................................4-63
Parking Sensor System................... 4-233
Park assist sensor system
operation.................................... 4-237
Sensor detection range.............. 4-235
Power Steering.................................. 4-81
Power Windows............. ................... 3-33
R
Rearview Mirror........ ........................3-31
Rear Coat Hooks....... ........................ 5-40
Rear Cross Traffic Alert (RCTA).... 4-112
Rear Door Child Safet y Locks.......... 3-18
Rear Side Radar Sensor.................. 4-206
Rear View Monitor......................... 4-218
Displayable range on the
screen......................................... 4-220
Rear view monitor operation..... 4-223
Rear view parking camera
location...................................... 4-219
Switching to the rear view monitor
display........................................4-219
Variance between actual road
conditions and displayed
image......................................... 4-230
Viewing the display................... 4-221
Rear Window Defogger. ................... 4-55
Rear Window Washer....................... 4-54
Rear Window Wiper.... ..................... 4-54
Recommended Oil.............................6-15
Recording of Vehicle Data................ 8-20
Recreational Towing......................... 3-50
Registering Your Vehicle in A Foreign
Country.............................................. 8-16
Replacement Fuse..............................................6-37
Key battery.................................. 6-27
Light bulbs...................................6-34
Tires............................................. 6-32
Wheel........................................... 6-33
Wiper........................................... 6-20
Rocking the Vehicle.......................... 3-45
S
Safety Defects, Reporting
(Canada)............................................ 8-14
Safety Defects, Repor ting (U.S.A.)... 8-12
Saving Fuel and Protection of the
Environment...................................... 3-43
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
Head restraint.............................. 2-17
Rear seat...................................... 2-14
Seat warmer................................. 2-20
Seat Belt System Automatic locking....................... 2-25
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Index
Tire labeling.................................8-23
Tire maintenance......................... 8-29
Vehicle loading............................ 8-31
Tire Pressure Monitoring System.... 4-214
Touch Sensor Inoperable Warning Beep
(With the advanced keyless
function)............................................ 7-43
To w i n g
Recreational towing.....................3-50
Trailer towing.............................. 3-50
Towing Description........................... 7-22
Traction Control System (TCS)........ 4-75 TCS/DSC indicator light............. 4-75
Traffic Jam Assist (TJA).................4-135 Close proximity warning........... 4-140
Display indication......................4-139
Setting the system..................... 4-141
Shift-up/shift-down request
display........................................4-148
Stop hold control....................... 4-149
Traffic Sign Recognition System
(TSR)................................................. 4-98
Trouble Battery runs out........................... 7-16
Emergency starting...................... 7-19
Flat tire.......................................... 7-7
Overheating................................. 7-20
Parking in an emergency............... 7-2
When liftgate/tr unk lid cannot be
opened..........................................7-46
Trunk Lid............ .............................. 3-18
Inside trunk release lever............ 3-23
When liftgate/tr unk lid cannot be
opened..........................................7-46
Trunk Light....... ................................ 5-34
Turn and Lane-Change Signals......... 4-49
Turn Signals...................................... 4-49
U
Ultrasonic Sensor............................ 4-207
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
W
Warning Sound is ActivatedAir bag/front seat belt pretensioner
system warning beep................... 7-41
AUTOHOLD warning beep........ 7-44
Blind Spot Monitoring (BSM)
warning beep............................... 7-44
Collision warning........................ 7-45
Electric Parking Brake (EPB)
warning beep............................... 7-43
Excessive speed warning.............7-45
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
Key left-in-vehicle warning beep
(With the advanced keyless
function).......................................7-43
Key removed from vehicle warning
beep..............................................7-42
Lane departure warning sound.... 7-44
Lights-on reminder...................... 7-41
Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function) system
warnings.......................................7-45
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