2021 HONDA CIVIC SEDAN open hood

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
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Visual Index
8
Quick Reference Guide
❚Door Mirror Controls (P171)
❚Passenger’s Front Airbag
(P49)
❚Rearview Mirror (P170)
❚Accessory Power Socket
(P186)
❚Hood Release Handle (P523)
❚Trunk Opener (P142)
❚Power Door Lock Master Switch (P140)
❚Power Window Switches (P148)
❚Interior Fuse Box (P596)
❚Driver’s Front Airbag (P49)
❚USB Port (P203)
❚Shift Lever
Continuously Variable
Transmission
(P432, 434)
❚ECON Button (P438)
❚Electric Parking Brake Switch (P494)
❚Automatic Brake Hold Button (P497)
❚USB Port* (P203)
❚Wireless Charger* (P187)
❚Glove Box (P182)
❚HomeLink® Buttons* (P353)
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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)
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Quick Reference Guide
29
Handling the Unexpected (P 571)
Flat Tire (P 573)
●Park in a safe location and replace the
flat tire with the compact spare tire in the
trunk.
Indicators Come On
(P 589)
●Identify the indicator and consult the
owner's manual.
Engine Won’t Start
(P 580)
●If the battery is dead, jump start using a
booster battery.
Blown Fuse (P 595)
●Check for a blown fuse if an electrical
device does not operate.
Overheating (P 587)
●Park in a safe location. If you do not see
steam under the hood, open the hood,
and let the engine cool down.
Emergency Towing
(P 599)
●Call a professional towing service if you
need to tow your vehicle.
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uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
134
Controls
To temporarily deactivate the function:
1. Set the power mode to OFF.
2. Open the driver’s door.
3. Using the master door lock switch, operate
the lock as follows:
Lock Unlock Lock Unlock.
u The beeper sounds and the function is
deactivated.
To restore the function:
• Set the power mode to ON.
• Lock the vehicle without using the auto lock
function.
• With the smart entry re mote on you, move
out of the auto lock function operation
range.
• Open any door.1Locking the doors and trunk (Walk away auto lock ®)
The auto lock function does not operate when any of
the following conditions are met.
•The smart entry remote is inside the vehicle.
•A door or the hood is not closed.•The power mode is set to any mode other than
OFF.
•The smart entry remote is not located within a
radius of about 5 feet (1 .5 m) from the vehicle
when you get out of the vehicle and close the
doors.
Auto lock function operation stop beeper
After the auto lock function has been activated, the
auto lock operation stop beeper sounds for
approximately two seconds in the following cases.
•The smart entry remote is put inside the vehicle
through a window.
•You are located too close to the vehicle.
•The smart entry remote is put inside the trunk.
If the warning beeper sounds, check that you are
carrying the smart entry remote. Then, open/close a
door and confirm the auto lock activation beeper
sounds once.
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145Continued
Controls
Security System
Immobilizer System
The immobilizer system prevents a key that has not been pre-registered from
starting the engine. Each key contains electronic transmitters that use electronic
signals to verify the key.
Pay attention to the following when insert ing the key into the ignition switch or
pressing the ENGINE START/STOP button:
• Do not allow objects that emit strong ra dio waves near the ignition switch or the
ENGINE START/STOP button.
• Make sure the key is not covered by or touching a metal object.
• Do not bring a key from another vehicle’s immobilizer system near the ignition
switch or the ENGINE START/STOP button.
• Do not put the key near magnetic items. Electronic devices, such as televisions
and audio systems emit strong magnetic fields. Note that even a key chain can
become magnetic.
Security System Alarm
The security system alarm activates when the trunk, hood or doors are forcibly
opened. The alarm does not activate if the trunk or doors are opened with the key,
remote transmitter or smart entry system
*.
However, the alarm activates if a door is opened with the key and then the
transmission is taken out of
(P or the hood is opened before the ignition switch is
turned to ON
(w*1.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Immobilizer System
NOTICE
Leaving the key in the vehicl e can result in theft or
accidental movement of the vehicle.
Always take the key with you whenever you leave the
vehicle unattended.
Do not alter the system or add other devices to it.
Doing so may damage the system and make your
vehicle inoperable.
Canadian models only: Apply and hold the brake
pedal before turning the vehicle on the first time after
the battery has been disconnected.
1 Security System Alarm
Do not alter the system or add other devices to it.
Doing so may damage the system and make your
vehicle inoperable.
The security alarm continues for a maximum of two
minutes until the security system alarm deactivates.
* Not available on all models
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uuSecurity System uSecurity System Alarm
146
Controls
■When the security sy stem alarm activates
The horn sounds intermittently, and some exterior lights flash.
■To deactivate the security system alarm
Unlock the vehicle using remote transmitter or smart entry system*, or turn the
ignition switch to ON
(w*1. The system, along with the horn and flashing lights, is
deactivated.
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The ignition switch is in LOCK
(0*1.
• The hood and trunk are closed.
• All doors are locked with the key, remo te transmitter, or smart entry system
*.
• The key has been removed from the ignition switch.
■When the security system alarm sets
The security system alarm indi cator in the instrument panel and the blinki ng interval
changes after about 15 seconds.
■To cancel the security system alarm
The security system is canceled when th e vehicle is unlocked using the remote
transmitter or smart entry system
*, or when the ignition switch is turned to ON (w*1.
The security system alarm indica tor goes off at the same time.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Security System Alarm
Do not set the security system alarm when someone
is in the vehicle or a window is open. The system can
accidentally activate when:
•Unlocking the door with the lock tab.•Opening the trunk with the trunk opener on the
driver’s door or the emergency trunk opener.
•Opening the hood with the hood release.•Taking the transmission out of ( P.
If the battery goes dead after you have set the
security system alarm, the security alarm may activate
once the battery is re charged or replaced.
If this occurs, deactivate the security system alarm by
unlocking a door using the remote transmitter or
smart entry system
*.Models without smart entry system
* Not available on all models
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416
Driving
Before Driving
Driving Preparation
Check the following items before you start driving.
• Make sure there are no obstructions on th e windows, door mirrors, exterior
lights, or other parts of the vehicle.
u Remove any frost, snow, or ice.
u Remove any snow on the roof, as this can slip down and obstruct your field of
vision while driving. If frozen solid , remove ice once it has softened.
u When removing ice from around the wheel s, be sure not to damage the wheel
or wheel components.
• Make sure the hood is securely closed.
u If the hood opens while driving, your front view will be blocked.
• Make sure the tires are in good condition.
u Check air pressures, check for damage and excessive wear.
2 Checking and Maintaining Tires P. 548
•Make sure there are no people or ob jects behind or around the vehicle.
u There are blind spots from the inside.
■Exterior Checks1Exterior Checks
NOTICE
When doors are frozen s hut, use warm water around
the door edges to melt any ice. Do not try to force
them open, as this can damage the rubber trim
around the doors. When done, wipe dry to avoid
further freezing.
Do not pour warm water into the key cylinder.
You will be unable to insert the key if the water
freezes in the hole.
Heat from the engine and exhaust can ignite
flammable material s left under the hood, causing a
fire. If you've parked y our vehicle for an extended
period, inspect and remove any debris that may have
collected, such as dried grass and leaves that have
fallen or have been carried in for use as a nest by a
small animal. Also check under the hood for leftover
flammable materials after you or someone else has
performed maintenance on your vehicle.
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