2023 HONDA CIVIC engine overheat

uuOverheating uHow to Handle Overheating
792
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
stop the engine once the Engine
temperature too hot. Do not drive.
Allow engine to cool. message on the
driver information interface disappears.
u If the cooling fan is not operating,
immediately stop the engine.
2. Once the engine has cooled down, inspect
the coolant level an d check the cooling
system components for leaks.
u If the coolant level in the reserve tank is
low, add coolant until it reaches the
MAX mark.
u If there is no coolan t in the reserve tank,
check that the radiator is cool. Cover the
radiator cap with a heavy cloth and open
the cap. If necessary, add coolant up to
the base of the filler neck, and put the
cap back on.
■Last thing to do
Once the engine has cooled sufficiently, re start it and check the driver information
interface.
If the Engine temperature too hot. Do not drive. Allow engine to cool.
message does not appear, resume driving. If it appears again, contact a dealer for
repairs.
1 How to Handle Overheating
If the coolant is leaking, contact a dealer for repairs.
Use water as an emergency/temporary measure only.
Have a dealer flush the system with proper antifreeze
as soon as possible.
3WARNING
Removing the radiator cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.
MAX
Reserve Tank
MIN
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793
uuOverheating uHow to Handle Overheating
Continued
Handling the Unexpected
How to Handle Overheating
Overheating symptoms are as follows:
• The temperature gauge is at the mark or the engine suddenly loses power.
• The Engine temperature too hot. Do not drive. Allow engine to cool.
message appears on the driv er information interface.
• Steam or spray comes out of the engine compartment.
■First thing to do
1. Immediately park the vehicle in a safe place.
2. Turn off all accessories and turn on the hazard warning lights.
u No steam or spray present: Keep the engine running and open the hood.
u Steam or spray is present: Turn off the engine and wait until it subsides.
Then, open the hood.
Models without Auto Idle Stop
1 How to Handle Overheating
NOTICE
Continuing to drive with the temperature gauge at
the mark may damage the engine.
Continuing to drive with the Engine temperature
too hot. Do not drive. Allow engine to cool.
message on the driver information interface may
damage the engine.
3WARNING
Steam and spray from an overheated
engine can seri ously scald you.
Do not open the hood if steam is coming
out.
H
H
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 793 ページ ２０２２年６月２３日　木曜日　午後９時２８分

uuOverheating uHow to Handle Overheating
794
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
stop the engine once the temperature
gauge goes down.
u If the cooling fan is not operating,
immediately stop the engine.
2. Once the engine has cooled down, inspect
the coolant level an d check the cooling
system components for leaks.
u If the coolant level in the reserve tank is
low, add coolant until it reaches the
MAX mark.
u If there is no coolan t in the reserve tank,
check that the radiator is cool. Cover the
reserve tank cap with a heavy cloth and
open the cap. If necessary, add coolant
up to the base of the filler neck, and put
the cap back on.
■Last thing to do
Once the engine has cooled sufficiently, restart it and check the temperature gauge.
If the temperature gauge has gone down, re sume driving. If it has not gone down,
contact a dealer for repairs.
1 How to Handle Overheating
If the coolant is leaking, contact a dealer for repairs.
Use water as an emergency/temporary measure only.
Have a dealer flush the system with proper antifreeze
as soon as possible.
3WARNING
Removing the reserve tank cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the reserve tank
cap.MAX
Reserve Tank
MIN
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831
Index
Continuously Variable TransmissionCreeping................................................. 502
Fluid ....................................................... 725
Kickdown ............................................... 502
Operating the Shift Lever .......... 29, 504, 506
Shift Lever Does Not Move ...................... 790
Shifting ........................................... 503, 505
Controls .................................................... 173
Coolant (Engine) .............................. 721, 723
Adding the Coolant ........................ 721, 724
Overheating ............................................ 791
Creeping (Continuously Variable Transmission) .......................................... 502
Cross Traffic Monitor ............................... 677
Cup Holders .............................................. 235
Customer Service Information ................ 827
Customize Display .................... 136, 151, 170
Customized Features ....................... 382, 390
D
Daytime Running Lights .......................... 209
Dead Battery ............................................ 786
Defaulting All the Settings .............. 389, 413
Defrosting the Windshield and Windows ................................................. 251
Devices that Emit Radio Waves ............... 818
Dimming Headlights .............................................. 206
Rearview Mirror ...................................... 220
Dipstick (Engine Oil) ................................ 713 Directional Signals (Turn Signal)
............. 205
Display Setup .................................... 266, 308
Door Mirrors ............................................. 221
Doors ......................................................... 176
Auto Door Locking .................................. 191
Auto Door Unlocking ............................... 191
Door Open Message .................................. 47
Keys ........................................................ 176
Locking/Unlocking the Doors from the Inside..................................................... 188
Locking/Unlocking the Doors from the
Outside.................................................. 179
DOT Tire Quality Grading ........................ 739
Drive Mode Switch ........................... 525, 529
Driver Attention Monitor ................ 131, 161
Driver Information Interface ... 125, 148, 154
Switching the Display ...................... 125, 155
Driver's Knee Airbag .................................. 65
Driving ....................................................... 485
Braking .................................................... 657
Continuously Variable Transmission ......... 502
Shifting Gear ........................................... 509
Shifting Position .............................. 503, 505
Starting the Engine .................................. 493
Dust and Pollen Filter ............................... 750
E
Eco Assist® System ...................................... 15
ECON Button ............................................. 513
Elapsed Time ..................................... 130, 160 Electric Power Steering (EPS) System
Indicator.......................................... 104, 798
Electronic Stability Control (ESC) ............. 535
Emergency ................................................ 808
Emergency Engine Stop ........................... 785
Emergency Hatch Opener ........................ 810
Emissions Testing (Readiness Codes) ....... 820
Engine
Coolant ........................................... 721, 723
If the Battery Is Dead ............................... 786
Oil ........................................................... 711
Starting ................................................... 493
Engine Coolant ................................. 721, 723
Adding the Coolant......................... 721, 724
Overheating ............................................ 791
Temperature Gauge ................................ 119
Engine Oil ................................................. 711
Adding .................................................... 716
Checking................................................. 713
Displaying Oil Life .................................... 696
Engine oil pressure low Warning ............. 795
Recommended Engine Oil ....................... 711
Engine oil pressure low Warning ............ 795
ENGINE START/STOP Button .................... 202
Exhaust Gas Hazard (Carbon Monoxide) .. 92
Exterior Care (Cleaning) ........................... 753
Exterior Mirrors ........................................ 221
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834
Index
Kickdown (Continuously Variable Transmission) ........................................... 502
L
Lane Keeping Assist System (LKAS) ......... 618
LATCH (Child Seats) .................................... 82
Lights ................................................. 206, 728
Auto High-Beam ...................................... 210
Automatic ............................................... 207
Bulb Replacement .................................... 728
Daytime Running Lights ........................... 209
Fog Lights ................................................ 209
High Beam Indicator ................................ 106
Interior .................................................... 231
Light Switches ......................................... 206
Lights On Indicator .................................. 106
Turn Signals ............................................. 205
Limited Slip Differential (LSD) ................. 539
Load Limits ................................................ 489
Locking/Unlocking .................................... 176
Auto Door Locking/Unlocking .................. 191
Childproof Door Locks ............................. 190
From Inside .............................................. 188
From Outside ........................................... 179
Keys ........................................................ 176
Using a Key ............................................. 185
Low Battery Charge .................................. 796
Low Fuel Indicator .................................... 103
Low Remote Key Signal Strength ............ 178
Low Speed Braking Control ............. 567, 573Lower Anchors
............................................ 82
Luggage (Maximum Load Limit) ............. 489
M
Maintenance............................................. 691
Adding the Coolant......................... 721, 724
Battery .................................................... 747
Brake Fluid .............................................. 726
Cleaning ......................................... 751, 753
Climate Control System ........................... 750
Coolant ........................................... 721, 723
Maintenance Minder
TM............................ 695
Oil ........................................................... 713
Precautions ............................................. 692
Remote Transmitter ................................. 749
Replacing Light Bulbs .............................. 728
Safety...................................................... 693
Service Items ........................................... 700
Tires ........................................................ 736
Transmission Fluid ................................... 725
Under the Hood ...................................... 707
Malfunction Indicator Lamp ............ 101, 796
Manual Transmission ............................... 509
Map Lights ................................................ 232
Maximum Load Limit ............................... 489
Meters, Gauges ......................................... 118
Mirrors ...................................................... 220
Adjusting ................................................ 220
Door ....................................................... 221
Exterior ................................................... 221 Interior Rearview ..................................... 220
Modifications (and Accessories) .............. 756
Moonroof ................................................. 201
MP3 ................................................... 272, 331
Multi-View Rear Camera ......................... 681
N
Navigation................................................ 160
Numbers (Identification) ......................... 816
O
Odometer................................................. 120
Oil (Engine) .............................................. 711
Adding ................................................... 716
Checking ................................................ 713
Displaying Oil Life ................................... 696
Engine oil pressure low Warning ............. 795
Recommended Engine Oil ....................... 711
Viscosity.................................................. 711
Open Source Licenses .............................. 377
Opening
Hatch...................................................... 810
Hood ...................................................... 710
Opening/Closing
Hatch...................................................... 192
Moonroof ............................................... 201
Power Windows...................................... 198
Outside Temperature Display ................. 120
Overheating ............................................. 791
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836
Index
Spark Plugs................................................ 814
Specifications ............................................ 814
Specified Fuel .................................... 683, 814
Speed/Distance Units ........................ 137, 169
Speedometer ............................................. 118
SRS Airbags (Airbags) ................................. 60
Starting Assist Brake Function ................. 519
Starting the Engine .................................. 493
Does Not Start ......................................... 781
If the Battery Is Dead ............................... 786
Steering Wheel
Adjusting ................................................. 219
Stopping .................................................... 669
Stopwatch ................................................. 149
Summer Tires ............................................ 745
Sunglasses Holder ..................................... 237
Supplemental Restraint System (SRS) ........ 60
Switches (Around the Steering Wheel) ......... 8, 9, 202
System Message Indicator ........................ 107
System Updates ......................................... 302
T
Tachometer............................................... 119
Temperature Gauge ..................................................... 119
Outside Temperature Display ................... 120
Temperature Sensor ......................... 120, 254
Temporary Repair Kit (TRK) ..................... 768
Tie-down Anchors ..................................... 238 Time (Setting)
........................................... 174
Tire Pressure Monitoring System
(TPMS) ..................................................... 540
Indicator.......................................... 105, 800
Tires ........................................................... 736
Air Pressure ..................................... 737, 815
Checking and Maintaining ...................... 736
Inspection ............................................... 736
Labeling .................................................. 737
Puncture (Flat Tire) .................................. 761
Regulations ............................................. 739
Rotation .................................................. 743
Spare Tire ........................................ 761, 815
Summer .................................................. 745
Temporary Repair Kit (TRK) ...................... 768
Tire Chains .............................................. 744
Wear Indicators ....................................... 741
Winter..................................................... 744
Tools .......................................................... 760
Towing Your Vehicle ................................ 492
Emergency .............................................. 808
TPMS
(Tire Pressure Monitoring System) ........ 540
Indicator.......................................... 105, 800
Traffic Jam Assist ...................................... 630
Traffic Sign Recognition System .............. 647
Transmission ............................. 503, 505, 509
Continuously Variable
Transmission.................................. 503, 505
Fluid ........................................................ 725
Manual ................................................... 509 Shift Position Indicator ............ 101, 504, 506
Trip Computer .......................................... 293
Trip Meter ........................................ 128, 158
TRK (Temporary Repair Kit) .................... 768
Troubleshooting ...................................... 759
Blown Fuse ..................................... 801, 804
Brake Pedal Vibrates ................................. 38
Buzzer Sounds When Opening Door ......... 39
Emergency Towing ................................. 808
Engine Won't Start ................................. 781
Noise When Braking ................................. 41
Overheating ............................................ 791
Puncture/Flat Tire .................................... 761
Rear Door Won't Open ..................... 39, 190
Shift Lever Won't Move .......................... 790
Warning Indicators.................................... 96
Turbo Engine Vehicle .............................. 690
Turn Signals .............................................. 205
Indicators (Instru ment Panel) ................... 106
U
Unlocking the Doors ................................ 179
Unlocking the Fron t Doors from the
Inside ....................................................... 188
USB Flash Drives ............... 256, 272, 331, 362
USB Port(s) ................................................ 257
Using the Keyless Access System ............. 179
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