Page 633 of 711

631
Maintenance
Accessories and Modifications
Accessories
When installing accessories, check the following:
• Do not install accessories on the windsh ield. They can obstruct your view and
delay your reaction to driving conditions.
• Do not install any accessories over areas marked SRS Airbag, on the sides or backs
of the front seats, on front or side pillars, or near the side windows.
Accessories installed in these areas may interfere with proper operation of the
vehicle’s airbags or may be propelled into you or another occupant if the airbags
deploy.
• Be sure electronic accessories do not overload electrical circuits or interfere with
proper operation of your vehicle.
2 Fuses P. 674
•Before installing any electro nic accessory, have the installer contact a dealer for
assistance. If possible, have a deal er inspect the final installation.
1Accessories and Modifications
Honda Genuine accessor ies are recommended to
ensure proper operati on on your vehicle.
3WARNING
Improper accessories or modifications can
affect your vehicle's handling, stability, and
performance, and cause a crash in which
you can be seriously hurt or killed.
Follow all instruction s in this owner's
manual regarding accessories and
modifications.
21 CIVIC 5D HUM-31TGG6400_01.book 631 ページ 2020年8月28日 金曜日 午後1時 48分
Page 634 of 711

632
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 parts 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 prop erly 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, prov ince, territory, and local regulations.
The on-board diagnostic port (OBD-II/SAE J1962 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 5D HUM-31TGG6400_01.book 632 ページ 2020年8月28日 金曜日 午後1時 48分
Page 635 of 711

633
Handling the Unexpected
This chapter explains how to handle unexpected troubles.
ToolsTypes of Tools .................................. 634
If a Tire Goes Flat
Temporarily Repairi ng a Flat Tire....... 635
Changing a Flat Tire ......................... 648
Handling of the Jack
*
How to Set Up the Jack .................... 656
Engine Does Not Start Checking the Engine ........................ 659
If the Smart Entry Remote Battery is Weak .. 660
Models with temporary tire repair kit
Models with a compact spare tire
Canadian models with temporary tire repair kit
Models with smart entry system
Emergency Engine Stop ................... 661
If the Battery Is Dead ....................... 662
Shift Lever Does Not Move .............. 665
Overheating ...................................... 666
Indicator, Coming On/Blinking
If the Low Oil Pressure Indicator Comes On................................................ 668
If the Charging System Indicator Comes
On ................................................. 668
If the Malfunction Indicator Lamp Comes On or Blinks ................................... 669
If the Brake System Indicator (Red) Comes
On or Blinks ................................... 670
Models with smart entry systemIf the Brake System Indicator (Red) Comes On or
Blinks at the Same Time When the Brake System
Indicator (Amber) Comes On ....................... 671
If the Electric Power Steering (EPS) System Indicator Comes On......................... 672
If the Low Tire Pressure/TPMS Indicator
Comes On or Blinks
*...................... 673
Fuses Fuse Locations ................................. 674
Inspecting and Changing Fuses ........ 678
Emergency Towing ........................... 679
If You Cannot Unlock the Fuel Fill Door.. 680If You Cannot Open the Hatch ........ 681
Refueling ........................................... 682
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 633 ページ 2020年8月28日 金曜日 午後1時 48分
Page 636 of 711
634
Handling the Unexpected
Tools
Types of Tools
1Types of Tools
The tools are stored in the cargo area.
Wheel Nut Wrench/
Jack Handle Jack
Jack Handle BarFunnel
Models with tool case
Towing Hook
Jack Handle Bar
Models with tool bag
Wheel Nut Wrench/
Jack Handle*
Jack*Funnel
Towing Hook
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 634 ページ 2020年8月28日 金曜日 午後1時 48分
Page 637 of 711

635Continued
Handling the Unexpected
If a Tire Goes Flat
Temporarily Repairing a Flat Tire
If the tire has a large cut or is otherwise severely damaged, you will need to have the
vehicle towed. If the tire only has a small puncture, from a nail for instance, you can
use the temporary tire repair kit so that you can drive to the nearest service station
for a more permanent repair.
If a tire goes flat while driving, grasp the steering wheel firmly, and brake gradually
to reduce speed. Then stop in a safe place.
1. Park the vehicle on a firm, level, and n on-slippery surface, and apply the parking
brake.
2. Put the transmission into
(R.
3. Turn on the hazard warning lights an d set the power mode to VEHICLE OFF
(LOCK).
Models with temporary tire repair kit
1 Temporarily Repairing a Flat Tire
The kit should not be used in the following situations.
Instead, contact a dealer or roadside assistance to
have the vehicle towed.
•The tire sealant has expired.•More than one tire is punctured.•The puncture or cut is larger than 3/16 inch (4 mm).•The tire side wall is da maged or the puncture is
outside the contact area.
•Damage has been caused by driving with the tire
extremely under inflated.
•The tire bead is no longer seated.•The rim is damaged.
Do not remove a nail or screw that punctured the
tire. If you remove it from the tire, you may not be
able to repair the puncture using the kit.
NOTICE
Do not use a puncture-repairing agent other than the
one provided in the kit that came with your vehicle. If
a different agent is used, you may permanently
damage the tire pressure sensor.
When the puncture is:Use Kit
Smaller than 3/16 inch
(4 mm)Yes
Larger than 3/16 inch (4 mm)No
Contact
Area
21 CIVIC 5D HUM-31TGG6400_01.book 635 ページ 2020年8月28日 金曜日 午後1時 48分
Page 638 of 711
uuIf a Tire Goes Flat uTemporarily Repairing a Flat Tire
636
Handling the Unexpected
■Getting Ready to Temporarily Repair the Flat Tire1Getting Ready to Temporarily Repair the Flat Tire
Repair notificati on label and speed restriction label
are applied to the side of temporary tire repair kit.
When making a temporary repair, carefully read the
instruction manual provided with the kit.
U.S. Canada
U.S. Canada
Air Only Side
Selector Knob Sealant/Air Side
Pressure Gauge
Pressure Relief Button
Repair Notification Label Power Plug
Instruction Manual
Sealant/Air Hose
Inflator Switch
Speed Restriction Label
21 CIVIC 5D HUM-31TGG6400_01.book 636 ページ 2020年8月28日 金曜日 午後1時
48分
Page 639 of 711
637
uuIf a Tire Goes Flat uTemporarily Repairing a Flat Tire
Continued
Handling the Unexpected
1. Pull the strap on the cargo area floor lid and
open the lid.
2. Take the kit out of the case.
3. Place the kit face up, on flat ground near
the flat tire, and away from traffic. Do not
place the kit on its side.
Strap
Tire Repair Kit
21 CIVIC 5D HUM-31TGG6400_01.book 637 ページ 2020年8月28日 金曜日 午後1時 48分
Page 640 of 711

uuIf a Tire Goes Flat uTemporarily Repairing a Flat Tire
638
Handling the Unexpected
1. Remove the valve cap from the tire valve
stem.
2. Remove the sealant/air hose from the
packaging.
3. Attach the sealant/air hose onto the tire
valve stem. Screw it until it is tight.
■Injecting Sealant and Air1Injecting Sealant and Air
In cold temperatures, the sealant may not flow easily.
In this situation, warm it up for five minutes before
using.
The sealant can permanentl y stain clothing and other
materials. Be careful duri ng handling and wipe away
any spills immediately.
3CAUTION
Tire sealant contains substances that are
harmful if inhaled, ingested or if contact is
made with the eyes or skin.
Always use in a well-ventilated area and
use gloves and safety glasses for protection;
do not ingest.
For skin or eye contac t, flush with cool
water; if ingested, rinse mouth with water.
In all cases, seek medical attention if
necessary.
Valve Stem
Valve Cap
Sealant/Air Hose
Valve Stem
Sealant/Air Hose
21 CIVIC 5D HUM-31TGG6400_01.book 638 ページ 2020年8月28日 金曜日 午後1時 48分