light HONDA CIVIC SEDAN 2021 Owner's Manual (in English)

Contents
This owner’s manual should be considered a permanent part of the
vehicle and should remain with the vehicle when it is sold.
This owner’s manual covers all models of your vehicle. You may find
descriptions of equipment and features that are not on your
particular model.
Images throughout this owner’s manu al (including the front cover)
represent features and equipment that are available on some, but
not all, models. Your particular mo del may not have some of these
features.
This owner’s manual is for vehicles sold in the United States and
Canada.
The information and specifications in cluded in this publication were
in effect at the time of approval for printing. Honda Motor Co., Ltd.
reserves the right, however, to discontinue or change specifications
or design at any time without notice and without incurring any
obligation.2 Safe Driving P. 33
For Safe Driving P. 34 Seat Belts P. 38 Airbags P. 46
2Instrument Panel P. 77
Indicators P. 78 Gauges and Driver Information Interface P. 108
2Controls P. 125
Clock P. 126 Locking and Unlocking the Doors P. 128
Moonroof* P. 151 Operating the Switches Around the Steering Wheel P. 152
Interior Lights/Interior Convenience Items P. 180
2 Features P. 201
Audio System P. 202 Audio System Basic Operation P. 209, 227
Customized Features P. 318, 325 HomeLink ® Universal Transceiver* P. 352
2 Driving P. 415
Before Driving P. 416 Towing a Trailer P. 421
Multi-View Rear Camera P. 503 Refueling P. 505
2Maintenance P. 511
Before Performing Maintenance P. 512 Maintenance MinderTM P. 515
Checking and Maintaining Wiper Blades P. 545
Climate Control System Maintenance P. 562
2Handling the Unexpected P. 571
Tools P. 572 If a Tire Goes Flat P. 573
Shift Lever Does Not Move P. 586 Overheating P. 587
If You Cannot Unlock the Fuel Fill Door P. 600
2 Information P. 603
Specifications P. 604 Identification Numbers P. 608
Emissions Testing P. 611 Warranty Coverages P. 613
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 4 ページ ２０２０年８月２５日　火曜日　午後２時６分

Contents
Child Safety P. 62Exhaust Gas Hazard P. 75Safety Labels P. 76
Opening and Closing the Trunk P. 142 Security System P. 145 Opening and Closing the Windows P. 148
Adjusting the Mirrors P. 170 Adjusting the Seats P. 172
Climate Control System P. 193
Audio Error Messages P. 297 General Information on the Audio System P. 300
Bluetooth ® HandsFreeLink ® P. 355, 382
When Driving P. 422 Honda Sensing ® P. 450 Braking P. 494 Parki ng Your Vehicle P. 501
Fuel Economy and CO
2 Emissions P. 508 Turbo Engine Vehicle* P. 509
Maintenance Under the Hood P. 521 Replacing Light Bulbs P. 536
Checking and Maintaining Tires P. 548 Battery P. 558 Remote Transmitter Care P. 560
Cleaning P. 563 Accessories and Modifications P. 568
Engine Does Not Start P. 580 If the Battery Is Dead P. 583
Indicator, Coming On/Blinking P. 589 Fuses P. 595Emergency Towing P. 599
If You Cannot Open the Trunk P. 601 Refueling P. 602
Devices that Emit Radio Waves P. 609 Reporting Safety Defects P. 610
Authorized Manuals P. 616 Customer Service Information P. 617
Quick Reference GuideP. 6
Safe DrivingP. 33
Instrument PanelP. 77
ControlsP. 125
FeaturesP. 201
DrivingP. 415
MaintenanceP. 511
Handling the UnexpectedP. 571
InformationP. 603
IndexP. 619
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 5 ページ ２０２０年８月２５日　火曜日　午後２時６分

7
Quick Reference Guide❚Headlights/Turn Signals (P157)
❚ (TRIP) Knob (P111)
❚Brightness Control (P168)
❚LaneWatchTM * (P448)
❚Fog Lights* (P161)
❚Wipers/Washers (P165)
❚ (Display/Information) Button (P110)
❚Navigation System Voice Control Buttons*
(P252), () See the Navigation System Manual
❚Bluetooth ® HandsFreeLink ® System
Voice Control Buttons
(P355, 382)
❚Paddle Shifter (Shift up)* (P436)
❚Paddle Shifter (Shift down)* (P436)
❚ / / / Buttons (P110, 206)34
❚ENTER Button (P110, 206)
❚Lane Keeping Assist System (LKAS) Button
(P481)
❚Adaptive Cruise Control (ACC) with Low
Speed Follow Buttons
(P465)
❚MAIN Button (P451, 464, 481)
❚Horn (Press an area around .)
❚Interval Button (P473)
* Not available on all models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 7 ページ ２０２０年８月２５日　火曜日　午後２時６分

9
Quick Reference Guide❚Seat Belt to Secure a Child Seat (P71)
❚Seat Belt (Installing a Child Seat) (P69)
❚Moonroof Switch* (P151)
❚Front Seat (P172)
❚Seat Belts (P38)
❚Side Airbags (P54)
❚Rear Seat (P175)
❚LATCH to Secure a Child Seat (P67)
❚Ceiling Light (P180)
❚Side Curtain Airbags (P56)
❚Coat Hook (P190)
❚Grab Handle
❚Coat Hook (P190)
❚Sun Visors
❚Vanity Mirrors
❚Map Lights (P181)
* Not available on all models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 9 ページ ２０２０年８月２５日　火曜日　午後２時６分

Visual Index
10
Quick Reference Guide❚Maintenance Under the Hood (P521)
❚Windshield Wipers (P165, 545)
❚Tires (P548, 573)
❚Fog Lights* (P161, 538)
❚Power Door Mirrors (P171)
❚How to Refuel (P506)
❚High-Mount Brake Light (P544)
❚Emergency Trunk Release Lever (P144)
❚Opening/Closing the Trunk (P142)
❚Multi-View Rear Camera (P503)
❚Door Lock/Unlock Control (P131)
❚Side Turn Signal Lights* (P157, 542)
❚Headlights (P158, 536)
❚Front Turn Signal Lights (P157, 540)
❚Parking/Daytime Running Lights (P158, 161, 542)
❚Front Side Marker Lights (P158, 541)
❚Taillights (P544)
❚Back-Up Lights (P543)
❚Brake Lights (P543)
❚Rear Turn Signal Lights (P543)
❚Tail/Rear Side Marker Lights (P543)
❚Trunk Release Button* (P143)
❚Rear License Plate Light (P544)
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 10 ページ ２０２０年８月２５日　火曜日　午後２時６分

13
Quick Reference Guide
Instrument Panel (P 77)
System Indicators
Malfunction Indicator
Lamp
Low Oil Pressure
Indicator
Charging System
Indicator
Anti-lock Brake System
(ABS ) Indicator
Vehicle Stability
Assist
TM (VSA ®)
System Indicator
Vehicle Stability
Assist
TM (VSA ®) OFF
Indicator
Low Tire Pressure/
TPMS Indicator
*
Electric Power
Steering (EPS) System
Indicator
Seat Belt Reminder
Indicator
System Indicators
Parking Brake and
Brake System
Indicator (Red) Supplemental
Restraint System
Indicator
Tachometer
Speedometer Fuel Gauge
Immobilizer System
Indicator/Security
System Alarm Indicator
Shift Lever Position Indicator/
Transmission System Indicator
Low Fuel Indicator
ECON Mode Indicator Turn Signal and
Hazard Warning
Indicators
Parking Brake and
Brake System
Indicator (Amber)
System Indicators
U.S.
Canada
U.S.
Canada Automatic Brake Hold
System Indicator
Automatic Brake Hold
IndicatorU.S.
Canada Temperature Gauge
Lights Indicators
Lights On Indicator
High Beam Indicator
Fog Light Indicator*
Adaptive Cruise
Control (ACC) with
Low Speed Follow
Indicator (Amber/
Green)
System Message
Indicator
Collision Mitigation
Braking SystemTM
(CMBSTM) Indicator
Road Departure
Mitigation (RDM)
Indicator
Lane Keeping Assist
System (LKAS)
Indicator (Amber/
Green)
Ambient Meter
Gauges (P 108)/Driver Information Interface (P 109)/System Indicators (P 78)
M (7-speed manual shift mode)
Indicator/Shift Indicator
*
Auto High-Beam
Indicator
* Not available on all models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 13 ページ ２０２０年８月２５日　火曜日　午後２時６分

15
Quick Reference Guide
Turn Signals (P 157)
Turn Signal Control Lever
Right
Left
Lights (P 158)
Models without default AUTO position switch
Light Control Switches
Low Beam High Beam
Flashing
Models with default AUTO position switch
Light Control Switches
Low Beam High Beam
Flashing
Wipers and Washers
(P 165)
*1:Models with automatic intermittent wipers
*2:Models without automatic intermittent wipers
AUTO should always be turned OFF before
the following situations in order to prevent
severe damage to the wiper system:
●Cleaning the windshield●Driving through a car wash●No rain present
Wiper/Washer Control Lever
Adjustment Ring
*
( -: Low sensitivity*1
(- : Lower speed, fewer sweeps*2
(+: High sensitivity*1
(+ : Higher speed, more sweeps*2
MIST
OFF
AUTO
*1: Wiper speed varies automatically
INT*2: Low speed with intermittent
LO : Low speed wipe
HI : High speed wipe Pull toward
you to spray
washer fluid.
Models with automatic intermittent wipers
*
Not available on all models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 15 ページ ２０２０年８月２５日　火曜日　午後２時６分

26
Quick Reference Guide
Refueling (P 505)
Fuel recommendation: Unleaded gasoline, pump octane number 87 or higher
Fuel tank capacity:
12.39 US gal (46.9 L)
aUnlock the driver’s
door. 2 Locking/Unlocking
the Doors from
the Inside
(P138)
bPress on the edge of
the fuel fill door to
make it pop up
slightly.
cAfter refueling, wait
for about five
seconds before
removing the filler
nozzle.Wait for five seconds
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 26 ページ ２０２０年８月２５日　火曜日　午後２時６分

28
Quick Reference Guide
Maintenance (P 511)
Under the Hood (P 521)
●Check engine oil, engine coolant, and windshield washer fluid. Add
when necessary.
●Check brake fluid.●Check the battery condition monthly.
aPull the hood release handle under the corner of the dashboard.
bLocate the hood latch lever, pull it up, and then raise the hood.
Once you have raised the hood slightly, you can release the lever.
cWhen finished, close the hood and make sure it is firmly locked in
place.
Lights (P 536)
●Inspect all lights regularly.
Wiper Blades (P 545)
●Replace blades if they leave streaks
across the windshield or become
noisy.
Tires (P 548)
●Inspect tires and wheels
regularly.
●Check tire pressures regularly.●Install snow tires for winter
driving.
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 28 ページ ２０２０年８月２５日　火曜日　午後２時６分

30
Quick Reference Guide
What to Do If
The ignition switch does
not turn from
(0 to (q.
Why?
The power mode does not
change from VEHICLE OFF
(LOCK) to ACCESSORY.
Why?
The steering wheel may be locked.
●Try to turn the steering wheel left and right
while turning the ignition key.
●Move the steering wheel left and right after pressing the
ENGINE START/STOP button.
The ignition switch does
not turn from
(q to (0 and
I cannot remove the key.
Why?
The power mode does not
change from ACCESSORY
to VEHICLE OFF (LOCK).
Why?
The shift lever should be moved to (P.
Why does the brake pedal
pulsate slightly when
applying the brakes?This can occur when the ABS activates and does not indicate a
problem. Apply firm, steady pressure on the brake pedal. Never
pump the brake pedal.
2 Anti-lock Brake System (ABS) (P 499)
Models without smart entry system
Canadian models with smart entry system
Models without smart entry system
Canadian models with smart entry system
Models without smart entry system
Models with smart entry system
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 30 ページ ２０２０年８月２５日　火曜日　午後２時６分