HONDA CIVIC SEDAN 2021 Owner's Manual (in English)
Manufacturer: HONDA, Model Year: 2021, Model line: CIVIC SEDAN, Model: HONDA CIVIC SEDAN 2021Pages: 632, PDF Size: 33.83 MB
Page 571 of 632

569
uuAccessories and Modifications uModifications
Maintenance
Modifications
Do not modify your vehicle in a manner that may affect its handling, stability, or
reliability, or install non-genuine Honda pa rts or accessories that may have a similar
effect.
Even minor modifications to vehicle systems can affect overall vehicle performance.
Always make sure all equipment is properly installed and maintained, and do not
make any modification to your vehicle or its systems that might cause your vehicle
to no longer meet federal, state, pr ovince, territory, and local regulations.
The on-board diagnostic port (OBD-II/SAE J1 962 connector) installed on this vehicle
is intended to be used with automobile system diagnostic devices or with other
devices that Honda has approved. Use of any other type of device may adversely
affect the vehicle’s electronic systems or allow them to be compromised, possibly
resulting in a system malfunction, drained battery, or other unexpected problems.
Do not modify or attempt to repair any of the electrical components.
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 569 ページ 2020年8月25日 火曜日 午後2時6分
Page 572 of 632

570
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 570 ページ 2020年8月25日 火曜日 午後2時6分
Page 573 of 632

571
Handling the Unexpected
This chapter explains how to handle unexpected troubles.
ToolsTypes of Tools .................................. 572
If a Tire Goes Flat
Changing a Flat Tire ......................... 573
Engine Does Not Start Checking the Engine ........................ 580
If the Smart Entry Remote Battery is Weak .. 581Emergency Engine Stop ................... 582
If the Battery Is Dead ....................... 583
Shift Lever Does Not Move .............. 586
Overheating How to Handle Overheating ............. 587 Indicator, Coming On/Blinking
If the Low Oil Pressure Indicator Comes On....589
If the Charging System Indicator Comes On ...589
If the Malfunction Indicator Lamp Comes
On or Blinks ................................... 590
If the Brake System Indicator (Red) Comes On or Blinks ................................... 591
If the Brake System Indicator (Red) Comes On or Blinks at the Same Time When the Brake
System Indicator (Amber) Comes On ... 592
If the Electric Power Steering (EPS) System Indicator Comes On ....................... 593 If the Low Tire Pressure/TPMS Indicator
Comes On or Blinks ....................... 594
Fuses Fuse Locations ................................. 595
Inspecting and Changing Fuses ........ 598
Emergency Towing ........................... 599
If You Cannot Unlock the Fuel Fill Door... 600
If You Cannot Open the Trunk ........ 601
Refueling ........................................... 602
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 571 ページ 2020年8月25日 火曜日 午後2時6分
Page 574 of 632

572
Handling the Unexpected
Tools
Types of Tools
*1: 1.5 L engine models
*2: 2.0 L engine models without 235/40R18 tire
*3: 2.0 L engine models with 235/40R18 tire
1Types of Tools
The tools are stored in the trunk.
Wheel Nut Wrench/
Jack Handle Jack
Jack Handle Bar
Funnel
*3
*1, *2
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 572 ページ 2020年8月25日 火曜日 午後2時6分
Page 575 of 632

573Continued
Handling the Unexpected
If a Tire Goes Flat
Changing a Flat Tire
If a tire goes flat while driving, grasp the steering wheel firmly, and brake gradually
to reduce speed. Then, stop in a safe plac e. Replace the flat tire with a compact
spare tire. Go to a dealer as soon as possib le to have the full-size tire repaired or
replaced.
1. Park the vehicle on firm, level, non-slip pery surface and apply the parking brake.
2. Put the transmission into
(P.
3. Turn on the hazard warning lights an d turn the ignition switch to LOCK
(0*1.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Changing a Flat Tire
NOTICE
Do not use the jack if it doesn’t work properly. Call
your dealer or a prof essional towing service.
Follow compact spare precautions:
Periodically check the tire pressure of the compact
spare. It should be set to the specified pressure.
Specified Pressure: 60 psi (420 kPa, 4.2 kgf/cm
2)
When driving with the compact spare tire, keep the
vehicle speed under 50 mph (80 km/h). Replace with
a full-size tire as soon as possible.
The compact spare tire and wheel in your vehicle are
specifically for this model. Do not use them with
another vehicle. Do not us e another type of compact
spare tire or wheel with your vehicle.
Do not mount tire chains on a compact spare tire.
If a chain-mounted front tire goes flat, remove one of
the full-size rear tires and replace it with the compact
spare tire. Remove the flat front tire and replace it
with the full-size tire that was removed from the rear.
Mount the tire chains on the front tire.
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 573 ページ 2020年8月25日 火曜日 午後2時6分
Page 576 of 632

uuIf a Tire Goes Flat uChanging a Flat Tire
574
Handling the Unexpected
1. Open the trunk floor lid.
2. Take the tool case out of the trunk. Take
the jack, wheel nut wrench, and jack
handle bar out of the tool case.
3. Unscrew the wing bolt, and remove the
spacer cone. Then, remove the spare tire.
4. Place a wheel block or rock in front and rear
of the wheel diagonal to the flat tire.
■Getting Ready to Replace the Flat Tire1Getting Ready to Replace the Flat Tire
The shape of the tool case varies by model.
Tool Case
Spare Tire
Wheel
Blocks
The tire to be replaced.
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 574 ページ 2020年8月25日 火曜日 午後2時6分
Page 577 of 632

575
uuIf a Tire Goes Flat uChanging a Flat Tire
Continued
Handling the Unexpected
5. Place the compact spare tire (wheel side up)
under the vehicle body, near the tire that
needs to be replaced.
6. Put the flat tip of the jack handle bar into
the edge of the wheel cover. Carefully pry
the edge and remove the cover.
u Wrap a cloth around the flat tip of the
jack handle bar to prevent scratches on
the cover.
7. Loosen each wheel nut about one turn
using the wheel nut wrench.
Jack Handle Bar
Wheel Nut
Wheel
CoverModels with wheel cover
All models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 575 ページ 2020年8月25日 火曜日 午後2時6分
Page 578 of 632

uuIf a Tire Goes Flat uChanging a Flat Tire
576
Handling the Unexpected
1. Place the jack under the jacking point
closest to the tire to be changed.
2. Turn the end bracket cl ockwise as shown in
the image until the top of the jack contacts
the jacking point.
u Make sure that the jacking point tab is
resting in the jack notch.
3. Raise the vehicle, using the jack handle bar
and the jack handle, until the tire is off the
ground.
■How to Set Up the Jack1How to Set Up the Jack
Do not use the jack with people or luggage in the
vehicle.
Use the jack provided in your vehicle.
Other jacks may not support the weight (“load”) or
may not fit the jacking point.
The following instructions must be followed to use
the jack safely:
•Do not use while the engine is running.
•Use only where the ground is firm and level.
•Use only at the jacking points.•Do not get in the vehicl e while using the jack.
•Do not put anything on top of or underneath the
jack.
3WARNING
The vehicle can easily roll off the jack,
seriously injuring anyone underneath.
Follow the directions for changing a tire
exactly, and never get under the vehicle
when it is supported only by the jack.
Jacking Points
Jacking Point
Jack
Handle
Bar Wheel Nut
Wrench as Jack Handle
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 576 ページ 2020年8月25日 火曜日 午後2時6分
Page 579 of 632

Continued577
uuIf a Tire Goes Flat uChanging a Flat Tire
Handling the Unexpected
1. Remove the wheel nuts and flat tire.
2. Wipe the mounting surfaces of the wheel
with a clean cloth.
3. Mount the compact spare tire.
4. Screw the wheel nuts until they touch the
lips around the mounti ng holes, then stop
rotating.
5. Lower the vehicle and remove the jack.
Tighten the wheel nuts in the order
indicated in the image. Go around,
tightening the nuts, two to three times in
this order.
Wheel nut torque:
80 lbf∙ft (108 N∙m, 11 kgf∙m)
■Replacing the Flat Tire1Replacing the Flat Tire
Do not over tighten the wheel nuts by applying extra
torque using your foot or a pipe.
Make sure the wire support ring is hooked into the
clips around the edge of the wheel cover.
Align the valve mark on the wheel cover to the tire
valve on the wheel, then install the wheel cover.
Models with wheel cover
Clips Clips
Valve Mark
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 577 ページ 2020年8月25日 火曜日 午後2時6分
Page 580 of 632

uuIf a Tire Goes Flat uChanging a Flat Tire
578
Handling the Unexpected
1. Remove the center cap.
2. Place the flat tire face down in the spare tire
well.
3. Remove the spacer cone from the wing
bolt, flip it over, and insert it back on the
bolt. Secure the flat tire with the wing bolt.
4. Securely store the jack, wheel nut wrench,
and jack handle bar back in the tool case.
Store the case in the trunk.
■Storing the Flat Tire1Storing the Flat Tire
Make sure the wire support ring is on the outer side
of the tire valve as shown.
3WARNING
Loose items can fly around the interior in a
crash and can seriously injure the
occupants.
Store the wheel, jack, and tools securely
before driving.
Models with wheel cover
Tire Valve
Wire Support Ring
Models with
aluminum
wheelsModels with aluminum wheels
Spacer Cone Wing Bolt
For
compact
spare tireFor full-
size tire
All modelsAll models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 578 ページ 2020年8月25日 火曜日 午後2時6分