overheating MAZDA MODEL 6 2021 User Guide

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 capCoolant
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
6-26).
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_8JN3-EA-20H_Edition1_old 2020-6-18 17:31:27

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 6-25). 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_8JN3-EA-20H_Edition1_old 2020-6-18 17:31:27

Index
Transmitter.....................................3-5
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
Key Suspend Function........................ 3-9
L
Label Information............................... 9-2
Lane Departure Warning sound........ 7-48
Lane-Change Signals........................ 4-84
Lane-keep Assist System (LAS) & Lane
Departure Warning System
(LDWS)........................................... 4-164
Leaving Home Light......................... 4-83
Lighting Control................................4-78
Lights-on Reminder.......................... 7-45
Light Bulbs Replacement................................ 6-48
Specifications.................................9-7
Lubricant Quality ................................ 9-5
Luggage Compartment......................5-38
M
Maintenance Information.................................... 6-2
Scheduled.......................................6-4
Map Lights........................................ 5-28
Mazda Connect................................... 5-9 Appendix..................................... 5-20
Mazda Connect Basic
Operations....................................5-12
Mazda Radar Cruise Control with Stop &
Go function (MRCC with Stop & Go
function).......................................... 4-150 Close proximity warning........... 4-154
Cruise control function.............. 4-161
Display indication......................4-153
Setting the system..................... 4-155
Stop hold control....................... 4-160
Mazda Radar Cruise Control with Stop &
Go function (MRCC with Stop & Go
function) System Warnings............... 7-49
Message Indicated on Display.......... 7-43
Meters................................................ 4-13
Mirrors Outside mirrors..... ....................... 3-29
Rearview mirror.......................... 3-31
Mirror Defogger......... ....................... 4-90
Moonroof...........................................3-37
Multi-information Display (Type
A).......................................................4-15
Multi-information Display (Type
B)....................................................... 4-34
Multi-information Display (Type
C)....................................................... 4-52
O
Outside Mirrors......... ........................ 3-29
Overhead Console............................. 5-36
Overhead Lights................................ 5-28
Overheating....................................... 7-20
Overloading....................................... 3-49
Owner Maintenance Closing the hood...... ................... 6-19
Engine compartment overview.... 6-20
Key battery replacemen t..............6-41
Opening the hood........................ 6-18
Owner maintenance
precautions................................... 6-16
P
Parking Brake..................................4-101
Parking Sensor System................... 4-248 Parking sensor system
operation.................................... 4-252
Sensor detection range.............. 4-250
Power Steering................................ 4-118
10-7
Mazda6_8JN3-EA-20H_Edition1_old 2020-6-18 17:31:27

Index
Stopping the Smart City Brake
Support (SCBS) System
Operation................................... 4-181
Smart City Brake Support [Reverse]
(SCBS R)........................................ 4-182
Stopping the Smart City Brake
Support [Reverse] (SCBS R) system
operation.................................... 4-185
Spare Tire............................................ 7-6
Specifications...................................... 9-4
SRS Air Bags Front passenger occupant
classification system.................... 2-68
How the SRS air bags work........ 2-61
Limitations to SRS air bag.......... 2-66
Monitoring................................... 2-72
SRS air bag deployment
criteria.......................................... 2-65
Supplemental restraint system
components.................................. 2-59
Starting the Engine..............................4-5
Steering Wheel
Heated steering wh eel................. 2-21
Horn............................................. 4-91
Storage Compartments ...................... 5-36
Armrest box................................. 5-37
Center console............................. 5-37
Glove compartment..................... 5-37
Overhead console........................ 5-36
Rear coat hooks........................... 5-39
Sunshade............................................3-39
Sunvisors........................................... 5-27
T
Theft-Deterrent System ..................... 3-42
Three-flash Turn Signal.................... 4-85
Tiedown Hook............................................ 7-23
Tires................................................... 6-44 Flat tire.......................................... 7-3
Replacing a tire........................... 6-45
Replacing a wheel....................... 6-47
Snow tires.................................... 3-47
Specifications.................................9-8
Temporary spare tire....................6-46
Tire chains................................... 3-47
Tire inflation pressure................. 6-44
Tire rotation................................. 6-45
Uniform tire quality grading system
(UTQGS)..................................... 8-24
Tire Inflation Pressure Warning
Beep...................................................7-48
Tire Information................................ 8-26
Tire Pressure Monitoring System.... 4-232
To w i n g Recreational towing.....................3-52
Trailer towing.............................. 3-52
Towing Description........................... 7-22
Traction Control System (TCS)...... 4-112
TCS/DSC indicator light........... 4-112
Traffic Sign Recognition System
(TSR)............................................... 4-132
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......... 4-84
Turn Signals...................................... 4-84
10-9
Mazda6_8JN3-EA-20H_Edition1_old 2020-6-18 17:31:27