2020 MAZDA MODEL 6 overheating

7If Trouble Arises
Helpful information on what to do if a problem arises with the vehicle.
Parking in an Emergency................. 7-2 Parking in an Emergency..............7-2
Flat Tire.............................................. 7-3 Spare Tire and Tool Storage......... 7-3
Changing a Flat Tire..................... 7-7
Battery Runs Out............................ 7-15 Jump-Starting............................. 7-15
Emergency Starting.........................7-18 Starting a Flooded Engine
(SKYACTIV-G 2.5, SKYACTIV-G
2.5T)........................................... 7-18
Push-Starting.............................. 7-18
Running Out of Fuel (SKYACTIV-D
2.2).............................................. 7-19
Overheating......................................7-20 Overheating................................ 7-20
Emergency Towing.......................... 7-22 Towing Description.................... 7-22
Tiedown Hooks
*......................... 7-23
Warning/Indicator Lights and
Warning Sounds.............................. 7-25If a Warning Light Turns On or
Flashes........................................ 7-25
Message Indicated on Multi-
information Display
*.................. 7-41
Message Indicated on
Display........................................7-43
Warning Sound is Activated....... 7-45
When Trunk Lid Cannot be
Opened..............................................7-50 When Trunk Lid Cannot be
Opened........................................7-50
Active Driving Display Does Not
Operate............................................. 7-51 If the Active Driving Display Does
Not Operate................................ 7-51
*Some models.7-1
Mazda6_8HX3-EA-19I_Edition1_old 2019-6-18 9:25:17

Overheating
If the temperature gauge indicates
overheating or the high engine coolant
temperature warning light turns on, the
vehicle loses power, or you hear a loud
knocking or pinging noise, the engine is
probably too hot.
WA R N I N G
Pull over to a safe location, then switch
the ignition off and make sure the fan is
not running before attempting to work
near the cooling fan:
Working near the cooling fan when it is
running is dangerous. The fan could
continue running indefinitely even if the
engine has stopped and the engine
compartment temperature is high. You
could be hit by the fan and seriously
injured.
Do not remove either cooling
system cap when the engine and radiator
are hot:
When the engine and radiator are hot,
scalding coolant and steam may shoot out
under pressure and cause serious injury.
Open the hood ONLY after steam is no
longer escaping from the engine:
Steam from an overheated engine is
dangerous. The escaping steam could
seriously burn you.
If the temperature gauge indicates
overheating or the high engine coolant
temperature warning light turns on:

1. Drive safely to the side of the road and
park off the right-of-way.
2. Put a vehicle with an automatic transaxle in park (P), a manual
transaxle in neutral.
3. Apply the parking brake.
4. Turn off the air conditioner.
5. Check whether coolant or steam is escaping from the engine
compartment.

If steam is coming from the engine
compartment:
Do not go near the front of the vehicle.
Stop the engine.
Wait until the steam dissipates, then
open the hood and start the engine.

If neither coolant nor steam is
escaping:
Open the hood and idle the engine
until it cools.
CAUTION
If the cooling fan does not operate
while the engine is running, the engine
temperature will increase. Stop the
engine and call an Authorized Mazda
Dealer.
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 Trouble Arises
Overheating
7-20
Mazda6_8HX3-EA-19I_Edition1_old 2019-6-18 9:25:17

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 2.5
Cooling system cap
Coolant
reservoir
Cooling fan
SKYACTIV-G 2.5T

Cooling system cap
Coolant reservoir
Cooling fan
SKYACTIV-D 2.2
Coolant reservoir
Cooling fanCooling system cap
If you find no problems, the engine is
cool, and no leaks are obvious:
Carefully add coolant as required (page
6-29).
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
7-21
Mazda6_8HX3-EA-19I_Edition1_old 2019-6-18 9:25:17

SignalWarning
Charging System Warn‐
ing Indication/Warning Light If the warning light illuminates
while driving, it indicates a malfunction of the alter‐
nator or of the charging system.
Drive to the side of the road and park off the right-of-way. Co nsult an Authorized
Mazda Dealer.
CAUTION
Do not continue driving when the charging system warning light is illuminated be‐
cause the engine could stop unexpectedly.
Engine Oil 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 o n 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 6-28). If it's low, add th e 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.
(Red)
High Engine Coolant
Temperature Warning
Indication/Warning
Light The light flashes when the engine coolant temperature is extrem
ely high, and illumi‐
nates when the engine coolant temperature increases further.
Handling Procedure
Flashing light
Drive slowly to reduce engine l oad until you can find a safe place to stop the vehicle
and wait for the engine to cool down.
Illuminated light
This indicates the possibility of overheating. Park the vehicle in a safe place immedi‐
ately and stop the engine.
Refer to Overheating on page 7-20.
CAUTION
Do not drive the vehicle with the high engi ne coolant temperature warning light illumi‐
nated. Otherwise, it could resu lt in damage to the engine.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-27
Mazda6_8HX3-EA-19I_Edition1_old 2019-6-18 9:25:17

Index
Outside mirrors............................ 3-29
Rearview mirror.......................... 3-31
Mirror Defogger.......... ...................... 4-88
Moonroof...........................................3-37
Multi-information Display (Type
A).......................................................4-15
Multi-information Display (Type
B)....................................................... 4-33
Multi-information Display (Type
C)....................................................... 4-51
O
Outside Mirrors................................. 3-29
Overhead Console............................. 5-92
Overhead Lights................................ 5-84
Overheating....................................... 7-20
Overloading....................................... 3-49
Owner Maintenance
Closing the hood......................... 6-22
Engine compartment overview.... 6-23
Key battery replacement..............6-44
Opening the hood.................. ...... 6-21
Owner maintenance
precautions................................... 6-19
P
Parking Brake....................................4-99
Parking Sensor System................... 4-242 Park assist sensor system
operation.................................... 4-246
Sensor detection range.............. 4-244
Personalization Features....................9-11
Power Steering................................ 4-119
Power Steering Warning Buzzer....... 7-48
Power Windows................................ 3-34
R
Radar Sensors (Rear)...................... 4-218
Radar Sensor (Front).......................4-215
Rearview Mirror................................3-31
Rear Coat Hooks............................... 5-95
Rear Cross Traffic Alert (RCTA).... 4-145
Rear Door Child Safet y Locks.......... 3-17
Rear Seat........................................... 2-15
Rear View Monitor......................... 4-234
Displayable range on the
screen......................................... 4-236
Picture quality adjustment......... 4-241
Rear view monitor operation..... 4-237
Rear view parking camera
location...................................... 4-235
Switching to the rear view monitor
display........................................4-235
Variance between actual road
conditions and displayed
image......................................... 4-240
Viewing the display................... 4-237
Rear Window Defogger.................... 4-87
Recommended Oil.............................6-25
Recording of Vehicle Data................ 8-23
Recreational Towing......................... 3-52
Registering Your Vehicle in A Foreign
Country.............................................. 8-19
Replacement Fuse..............................................6-56
Key battery.................................. 6-44
Light bulbs...................................6-52
Tires............................................. 6-50
Wheel........................................... 6-51
Wiper........................................... 6-38
Request Switch Inoperable Warning
Beep (With the advanced keyless
function)............................................ 7-47
Rocking the Vehicle.......................... 3-46
S
Safety Defects, Reporting................. 8-15
Saving Fuel and Protection of the
Environment...................................... 3-44
Scheduled Maintenance...................... 6-4
10-8
Mazda6_8HX3-EA-19I_Edition1_old 2019-6-18 9:25:17

Index
To w i n gRecreational towing.....................3-52
Trailer towing.............................. 3-52
Towing Description........................... 7-22
Traction Control System (TCS)...... 4-110
TCS/DSC indicator light........... 4-110
Traffic Sign Recognition System
(TSR)............................................... 4-133
Trouble Battery runs out........................... 7-15
Emergency starting...................... 7-18
Emergency towing....................... 7-22
Flat tire.......................................... 7-3
Overheating................................. 7-20
Parking in an emergency............... 7-2
Warning/indicator lights and warning
sounds.......................................... 7-25
When trunk lid cannot be
opened..........................................7-50
Trunk Lid.......................................... 3-18 Inside trunk release lever............ 3-20
When trunk lid cannot be
opened..........................................7-50
Turn and Lane-Change Signals......... 4-83
Turn Signals...................................... 4-83
U
USB Power Outlet............................ 5-89
V
Vanity Mirrors................................... 5-83
Vehicle Information Labels................. 9-2
W
Warning Sound is Activated............. 7-45 Air bag/seat belt pr etensioner system
warning beep............................... 7-45
AUTOHOLD Warning Beep....... 7-47
Blind Spot Monitoring (BSM)
warning beep............................... 7-48
Collision warning...... .................. 7-49
Electric Parking Brake (EPB)
Warning Beep.............................. 7-47
Excessive speed warning.............7-49
Ignition not switched off (STOP)
warning beep............................... 7-46
Key left-in-trunk warning beep (With
the advanced keyless function).... 7-47
Key left-in-vehicle warning beep
(With the advanced keyless
function).......................................7-47
Key removed from vehicle warning
beep..............................................7-46
Lane Departure Warning sound... 7-48
Lights-on reminder...................... 7-45
Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function) system
warnings.......................................7-49
Power steering warning buzzer....7-48
Request switch inoperable warning
beep (With the advanced keyless
function).......................................7-47
Seat belt warning beep................ 7-45
Selective Catalytic Reduction (SCR)
Warning Beep.............................. 7-48
Tire inflation pressure warning
beep..............................................7-48
Warning/Buzzer................................. 7-25
Warranty............................................ 8-17
Weights................................................ 9-6
Windows Power windows........................... 3-34
Windshield Washer........................... 4-87
Windshield Wipers............................ 4-84
Windshield Wiper De-icer................ 4-88
Winter Driving.................................. 3-46
Wiper
Replacing windshield wiper
blades........................................... 6-38
10-10
Mazda6_8HX3-EA-19I_Edition1_old 2019-6-18 9:25:17