Honda Civic Hatchback (2018 year). Instruction - part 40

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Accessories and Modifications

Accessories

When installing accessories, check the following:
• Do not install accessories on the windshield. 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. 668

• Before installing any electronic accessory, have the installer contact a dealer for 

assistance. If possible, have a dealer inspect the final installation.

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Accessories and Modifications

Honda Genuine accessories are recommended to 
ensure proper operation on your vehicle.

3

WARNING

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 instructions in this owner's 
manual regarding accessories and 
modifications.

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Accessories and Modifications

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Modifications

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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 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, province, 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.

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Tools

Types of Tools

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Types of Tools

The tools are stored in the cargo area.

Wheel Nut Wrench/

Jack Handle

Jack

Jack Handle Bar

Funnel

Models with tool case

Jack Handle Bar

Models with tool bag

Wheel Nut Wrench/

Jack Handle

*

Jack

*

Funnel

* Not available on all models

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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 non-slippery surface, and apply the parking 

brake.

2. Move the shift lever to 

(

R.

3. Turn on the hazard warning lights and set the power mode to VEHICLE OFF 

(LOCK).

Vehicles with temporary tire repair kit

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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 damaged 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

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Getting Ready to Temporarily Repair the Flat Tire

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Getting Ready to Temporarily Repair the Flat Tire

Repair notification 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

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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

Tyre Repair Kit

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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 Air

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Injecting 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 permanently stain clothing and other 
materials. Be careful during handling and wipe away 
any spills immediately.

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WARNING

Tire sealant contains substances that are 
harmful and can be fatal if swallowed.

If accidentally swallowed, do not induce 
vomiting. Drink plenty of water and get 
medical attention immediately.

For skin or eye contact, flush with cool 
water and get medical attention if 
necessary.

Valve Stem

Valve Cap

Sealant/Air Hose

Valve Stem

Sealant/Air Hose

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4. Plug in the compressor to the accessory 

power socket.

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Be careful not to pinch the cord in a 
door or window.

5. Start the engine.

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Keep the engine running while injecting 
sealant and air.

2 Carbon Monoxide Gas P. 74

6. Turn the selector knob to REPAIR

*1

, 

SEALANT/AIR

*2

, PRODUIT ANTIFUITE/

AIR

*2

.

*1: U.S. models
*2: Canadian models

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Injecting Sealant and Air

NOTICE

Do not operate the temporary tire repair kit 
compressor for more than 15 minutes. The 
compressor can overheat and become permanently 
damaged.

Until the sealant injection is complete, the pressure 
shown on the pressure gauge will appear higher than 
actual. After the sealant injection is complete the 
pressure will drop and then begin to rise again as the 
tire is inflated with air. This is normal. To accurately 
measure the air pressure using the gauge, turn the air 
compressor off only after the sealant injection is 
complete.

3

WARNING

Running the engine with the vehicle in an 
enclosed or even partly enclosed area can 
cause a rapid build-up of toxic carbon 
monoxide.

Breathing this colorless, odorless gas can 
cause unconsciousness and even death. 
Only run the engine to power the air 
compressor with the vehicle outdoors.

U.S.

Canada

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7. Press the inflator switch to turn on the kit.

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The compressor starts injecting sealant 
and air into the tire.

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When the sealant injection is complete 
continue to add air.

8. After the air pressure reaches front: 35 psi 

(240 kPa)/rear: 33 psi (230 kPa), turn off 
the kit.

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To check the pressure, occasionally turn 
off the compressor and read the gauge.

9. Unplug the power plug from the accessory 

power socket.

10. Unscrew the sealant/air hose from the tire 

valve stem. Reinstall the valve cap.

11. Press the pressure relief button until the 

gauge returns 0 psi (0 kPa).

ON

OFF

Pressure Gauge

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Injecting Sealant and Air

If the required air pressure is not reached within 10 
minutes, the tire may be too severely damaged for 
the kit to provide the necessary seal, and your vehicle 
will need to be towed.

See a Honda dealer for a replacement sealant bottle 
and proper disposal of an empty bottle.

Sealant/Air Hose

Valve Stem

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12. Apply the repair notification label to the 

flat surface of the wheel.

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The wheel surface must be clean to 
ensure the label adheres properly.

1. Apply the speed restriction label to the 

location as shown.

2. Drive the vehicle for about 10 minutes.

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Do not exceed 50 mph (80 km/h).

3. Stop the vehicle in a safe place.

Repair Notification Label

U.S.

Canada

■

Distributing the Sealant in the Tire

Speed Restriction 
Label

U.S.

Canada

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4. Recheck the air pressure using the sealant/

air hose on the compressor.

Sealant/Air Hose

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5. Turn the selector knob to AIR

*1

, AIR 

ONLY

*2

, AIR SEULEMENT

*2

.

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Do not turn the air compressor on to 
check the pressure.

2 Inflating an Under-inflated Tire P. 639

6. If the air pressure is

• Less than 25 psi (175 kPa):

Do not add air or continue driving. The leak 
is too severe. Call for help and have your 
vehicle towed.

2 Emergency Towing P. 672

• Front: 35 psi (240 kPa)/rear: 33 psi (230 

kPa) or more:

Continue driving for another 10 minutes or 
until you reach the nearest service station, 
whichever is sooner.
Do not exceed 50 mph (80 km/h). If you 
have not reached a service station, stop and 
check the tire pressure.

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If the air pressure does not go down after 
10 minutes of driving, you do not need 
to check the tire pressure again.

*1: U.S. models
*2: Canadian models

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• Greater than 25 psi (175 kPa), but less 

than front: 35 psi (240 kPa)/rear: 33 psi 
(230 kPa):

Turn the air compressor on to inflate the 
tire until the tire pressure reaches front: 35 
psi (240 kPa)/rear: 33 psi (230 kPa).

2 Inflating an Under-inflated Tire P. 639

Then drive carefully for 10 more minutes or 
until you reach the nearest service station, 
whichever is sooner.
Do not exceed 50 mph (80 km/h). If you 
have not reached a service station, stop and 
check the tire pressure.

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You should repeat this procedure as long 
as the air pressure is within this range.

7. Unscrew the sealant/air hose from the tire 

valve stem.
Reinstall the valve cap.

8. Press the pressure relief button until the 

gauge returns to 0 psi (0 kPa).

9. Repackage and properly stow the kit.

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Distributing the Sealant in the Tire

3

WARNING

Running the engine with the vehicle in an 
enclosed or even partly enclosed area can 
cause a rapid build-up of toxic carbon 
monoxide.

Breathing this colorless, odorless gas can 
cause unconsciousness and even death. 
Only run the engine to power the air 
compressor with the vehicle outdoors.

Pressure Relief Button

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You can use the kit to inflate a non-punctured, under-inflated tire.

1. Open the cargo area floor lid.

2 Getting Ready to Temporarily Repair 

the Flat Tire P. 630

2. Remove the kit from the case.
3. Place the kit, face up, on flat ground near 

the flat tire, away from traffic. Do not 
place the kit on its side.

4. Remove the sealant/air hose from the kit.

5. Remove the valve cap.

6. Attach the sealant/air hose onto the tire 

valve stem. Screw it until it is tight.

■

Inflating an Under-inflated Tire

1

Inflating an Under-inflated Tire

NOTICE

Do not operate the temporary tire repair kit 
compressor for more than 15 minutes. The 
compressor can overheat and become permanently 
damaged.

Sealant/Air Hose

Valve Cap

Valve Stem

Sealant/Air Hose

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7. Plug in the kit to the accessory power 

socket.

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Be careful not to pinch the cord in a 
door or window.

8. Start the engine.

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Keep the engine running while injecting 
air.

2 Carbon Monoxide Gas P. 74

9. Turn the selector knob to AIR

*1

, AIR 

ONLY

*2

, AIR SEULEMENT

*2

.

10. Press the inflator switch to turn on the kit.

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The compressor starts to inject air into 
the tire.

11. Inflate the tire to the specified air pressure.

*1: U.S. models
*2: Canadian models

1

Inflating an Under-inflated Tire

3

WARNING

Running the engine with the vehicle in an 
enclosed or even partly enclosed area can 
cause a rapid build-up of toxic carbon 
monoxide.

Breathing this colorless, odorless gas can 
cause unconsciousness and even death. 
Only run the engine to power the air 
compressor with the vehicle outdoors.

Canada

U.S.

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12. Turn off the kit.

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Check the pressure gauge on the air 
compressor.

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If overinflated, press the pressure relief 
button.

13. Unplug the kit from the accessory power 

socket.

14. Unscrew the sealant/air hose from the tire 

valve stem. Reinstall the valve cap.

15. Press the pressure relief button until the 

gauge returns to 0 psi (0 kPa).

16. Repackage and properly stow the kit.

Pressure Relief Button