coolant temperature MAZDA MODEL 3 4-DOOR 2018 User Guide

SignalWarning
Charging System Warn-
ing 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 6-24). 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 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 result in damage to the engine.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-27
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Message Indicated on Display*
If a message is displayed in the center display (Type B audio), take appropriate action (in a
calm manner) according to the displayed message.

(Display example)
▼ Stop Vehicle in Safe Place Immediately
If the following messages are dis
played in the center display (Type B audio), a vehicle
system may be malfunctioning. Stop the vehicle in a safe place and contact an Authorized
Mazda Dealer.
Display Indicated Condition
Displays if the engine coolant temperature has increased excess ively.
Displays if the charging system has a malfunction.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-36*Some models.
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Index
Aluminum Wheel Maintenance... 6-68
Bright-Metal Maintenance...........6-67
Maintaining the Finish................ 6-64
Plastic Part Maintenance............. 6-68
F
FlasherHazard warning........................... 4-56
Headlights.................................... 4-43
Flat Tire............................................... 7-3 Mounting the Spare Tire..............7-11
Removing a Flat Tire.................... 7-7
Floor Mat.......................................... 3-46
Fluid Brake/Clutch................................ 6-27
Washer......................................... 6-27
Fluids Classification................................. 9-4
Fog Lights......................................... 4-48
Foot Brake.........................................4-60
Forward Sensing Camera (FSC)..... 4-131
Front Seat............................................ 2-5
Fuel Filler lid and cap......................... 3-28
Gauge........................................... 4-15
Requirements............................... 3-25
Tank capacity.................................9-5
Fuel Consumption Display............... 4-72
Fuel Economy Monitor..................... 4-72 Control status display.................. 4-73
Ending screen display................. 4-73
Fuel consumption display............4-72
Fuses.................................................. 6-57 Panel description......................... 6-59
Replacement................................ 6-57
G
Gauges............................................... 4-12
Glove Compartment........................ 5-136
H
Hazardous Driving............................ 3-46
Hazard Warning Flasher....................4-56
HeadlightsComing home light......................4-46
Control......................................... 4-43
Flashing....................................... 4-46
High-low beam............................ 4-46
Leaving home light..................... 4-47
Leveling....................................... 4-47
Head Restraint................................... 2-10
High Beam Control System
(HBC)................................................ 4-81 High Beam Control System (HBC)
indicator light (green)..................4-82
Hill Launch Assist (HL A)................ 4-64
HomeLink Wireless Control
System............................................... 4-56
Hood Release............. ....................... 6-20
Horn...................................................4-55
I
If a Warning Light Turns On or
Flashes............................................... 7-25
If the Active Driving Display does not
operate............................................... 7-45
Ignition
Switch............................................ 4-4
Ignition not switched off (STOP)
warning beep..................................... 7-39
Immobilizer System..... ..................... 3-41
Indicator Lights................................. 4-25 Low engine coolant
temperature.................................. 4-28
Wrench......................................... 4-28
Inside Trunk Release Lever.............. 3-24
Inspecting Brake/Clutch Fluid
Level.................................................. 6-27
Inspecting Coolant Level.................. 6-25
10-4
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