fuel HONDA CIVIC 2023 Workshop Manual

683Continued
Driving
Refueling
Fuel Information
■Fuel recommendation
Use of a lower octane gasoline can cause a persistent, heavy metallic knocking noise
that can lead to engine damage.
Use of a lower octane gasoline can cause oc casional metallic knocking noise in the
engine and will result in decreased engine performance.
Use of a gasoline with a pump octane less than 87 can lead to engine damage.
■Top tier detergent gasoline
Because the level of detergency and additive s in gasoline vary in the market, Honda
endorses the use of “TOP TIER Detergent Gasoline” where available to help
maintain the performance and reliability of your vehicle. TOP TIER Detergent
Gasoline meets a new gasoline standard jointly established by leading automotive
manufacturers to meet the needs of today's advanced engines.
Qualifying gasoline retailers will, in most cases, identify their gasoline as having met
“TOP TIER Detergent Gasoline” standards at the retail location. This fuel is
guaranteed to contain the proper level of de tergent additives and be free of metallic
additives. The proper level of detergent ad ditives, and absence of harmful metallic
additives in gasoline, help avoid buildup of deposits in your engine and emission
control system.
Unleaded gasoline, pump octane number 87 or higher
Unleaded premium gasoline, pump octane number 91 or higher
1 Fuel Information
NOTICE
We recommend quality ga soline containing
detergent additives that help prevent fuel system and
engine deposits. In addition, in order to maintain
good performance, fuel economy, and emissions
control, we strongly reco mmend the use of gasoline
that does NOT contain harmful manganese-based
fuel additives such as MMT, if such gasoline is
available.
Use of gasoline with these additives may adversely
affect performance, a nd cause the malfunction
indicator lamp on your inst rument panel to come on.
If this happens, contact a dealer for service.
Some gasoline today is blended with oxygenates such
as ethanol. Your vehicle is designed to operate on
oxygenated gasoline containing up to 15% ethanol
by volume. Do not use gaso line containing methanol.
If you notice any undesira ble operating symptoms, try
another service station or sw itch to another brand of
gasoline.
Models with capless fuel filler
Models without capless fuel filler
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 683 ページ ２０２２年６月２３日　木曜日　午後９時２８分

684
uuRefueling uFuel Information
Driving
For further important fuel-rel ated information for your vehicle, or on information on
gasoline that does not contain MMT, visit www.hondacars.com. In Canada, visit
www.honda.ca for additional information on gasoline. For more information on top
tier gasoline, visit www.toptiergas.com .
■Fuel tank capacity: 12.39 US gal (46.9 L)
■Fuel tank capacity: 12.4 US gal (47.0 L)
Models with capless fuel filler
Models without capless fuel filler
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 684 ページ ２０２２年６月２３日　木曜日　午後９時２８分

685
uuRefueling uHow to Refuel
Continued
Driving
How to Refuel
Your fuel tank is not equipped with a fuel filler cap. You can insert the filler nozzle
directly into the filler neck. The tank seals itself again when you pull out the filler
nozzle.
1.Stop your vehicle with the service station
pump on the left side of the vehicle in the
rear.
2. Turn off the engine.
3. Unlock the driver's door.
u The fuel fill door on the outer side of the
vehicle will unlock.
2 Locking/Unlocking the Doors from
the Inside P. 188
4.Press and release the area indicated by the
arrow to release the fuel fill door. You will
hear a click and the li d will open slightly.
5. Manually pull the fuel fill door to a fully
open position.
1How to Refuel
The fuel filler opening is designed to accept only
service station filler nozzles for refueling. Use of
smaller diamet er tubes (e.g., those used to siphon
fuel for other uses) or other non-service station
devices can damage the area in and around the filler
opening.
3WARNING
Gasoline is highly flammable and explosive.
You can be burned or seriously injured
when handling fuel.
• Stop the engine, and keep heat, sparks,
and flames away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
Models with capless fuel filler
Press
Fuel Fill Door
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 685 ページ ２０２２年６月２３日　木曜日　午後９時２８分

uuRefueling uHow to Refuel
686
Driving
6. Place the end of the filler nozzle on the
lower part of filler opening, then insert it
slowly and fully.
u Make sure that the end of the filler
nozzle goes down along with the filler
pipe.
u Keep the filler nozzle level.
u When the tank is full, the filler nozzle will
click off automatically.
u If you do not fill up the tank to full,
always add a minimum of 1.3 US gal (5 L)
of fuel.
u After filling, wait about five seconds
before removing th e filler nozzle.
7. Shut the fuel fill door by hand.1How to Refuel
Use the lock tab or the ma ster door lock switch to
unlock the fuel fill door.
The vehicle doors and fuel fill door automatically
relock if the remote unlock function is used. This can
be deactivated by briefl y opening then closing the
driver's door.
If the filler nozzle keeps tu rning off when the tank is
not full, there may be a pr oblem with the pump's fuel
vapor recovery system. Try fi lling at another pump. If
this does not fix the problem, consult a dealer.
The filler nozzle automatically stops to leave space in
the fuel tank so that fuel do es not overflow as a result
of changes in air temperature.
Do not continue to add fuel after the filler nozzle has
automatically stopped. Addi tional fuel can exceed
the full tank capacity.
If you repeatedly fill the tank with less than the
specified minimum amount of fuel, the malfunction
indicator lamp may come on. If this happens, have
your vehicle checked by a dealer.
If you have to refuel y our vehicle from a portable
container, use the funnel pr ovided with your vehicle.
2 Refueling From a Portable Fuel Container
P. 811
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 686 ページ ２０２２年６月２３日　木曜日　午後９時２８分

687
uuRefueling uHow to Refuel
Continued
Driving
How to Refuel
1. Stop your vehicle with the service station
pump on the left side of the vehicle in the
rear.
2. Turn off the engine.
3. Unlock the driver's door.
u The fuel fill door on the outer side of the
vehicle will unlock.
2 Locking/Unlocking the Doors from
the Inside P. 188
4.Press and release the area indicated by the
arrow to release the fuel fill door. You will
hear a click and the li d will open slightly.
5. Manually pull the fuel fill door to a fully
open position.
6. Remove the fuel fill cap slowly. If you hear a
release of air, wait until this stops, then turn
the knob slowly to open the fuel fill cap.
1How to Refuel
Use the lock tab or the ma ster door lock switch to
unlock the fuel fill door.
The vehicle doors and fuel fill door automatically
relock if the remote unlock function is used. This can
be deactivated by briefl y opening then closing the
driver's door.
If the filler nozzle keeps tu rning off when the tank is
not full, there may be a pr oblem with the pump's fuel
vapor recovery system. Try fi lling at another pump. If
this does not fix the problem, consult a dealer.
The filler nozzle automatically stops to leave space in
the fuel tank so that fuel does not overflow as a result
of changes in air temperature.
Do not continue to add fuel after the filler nozzle has
automatically stopped. Addi tional fuel can exceed
the full tank capacity.
3WARNING
Gasoline is highly flammable and explosive.
You can be burned or seriously injured
when handling fuel.
• Stop the engine, and keep heat, sparks,
and flames away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
Models without capless fuel filler
Press
Fuel Fill Door
Cap
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 687 ページ ２０２２年６月２３日　木曜日　午後９時２８分

uuRefueling uHow to Refuel
688
Driving
7. Place the fuel fill cap in the holder.
8. Insert the fuel fill er nozzle fully.
u When the tank is full, the filler nozzle will
click off automatically . This leaves space
in the fuel tank in case the fuel expands
with a change in the temperature.
u If you do not fill up the tank to full,
always add a minimum of 1.3 US gal (5 L)
of fuel.
9. After filling, replace the fuel fill cap,
tightening it until you hear it click at least
once.
u Shut the fuel fill door by hand.1How to Refuel
If you repeatedly fill the tank with less than the
specified minimum amount of fuel, the malfunction
indicator lamp may come on. If this happens, have
your vehicle checked by a dealer.
CapHolder
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 688 ページ ２０２２年６月２３日　木曜日　午後９時２８分

689
Driving
Fuel Economy and CO2 Emissions
Improving Fuel Economy and Reducing CO2 Emissions
Achieving fuel economy and reducing CO2 emissions is dependent on several
factors, including driving conditions, load weight, idling time, driving habits, and
vehicle condition. Depending on these and other factors, you may not achieve the
rated fuel economy of this vehicle.
You can optimize your fuel economy with proper maintenance of your vehicle.
Always maintain your vehicle in accord ance with the messages displayed on the
driver information interface.
• Use engine oil with the viscosity recommended.
2 Recommended Engine Oil P. 711
•Maintain the specified tire pressure.
• Do not load the vehicle with excess cargo.
• Keep your vehicle clean. A buildup of snow or mud on your vehicle's underside
adds weight and increases wind resistance.
■Maintenance and Fuel Economy
1Improving Fuel Economy and Reducing CO2 Emissions
Direct calculation is the recommended method to
determine actual fuel consumed while driving.
In Canada, posted fuel economy numbers are
established following a simulated test. For more
information on how this test is performed, please visit
https://www.nrcan.gc.ca and search for “fuel
consumption testing” in the se arch field at the top of
the page.
Miles driven Gallons of
fuel Miles per
Gallon
100 Liters of
fuel Kilometers
driven L per 100 km
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 689 ページ ２０２２年６月２３日　木曜日　午後９時２８分

692
Maintenance
Before Performing Maintenance
Inspection and Maintenance
For your safety, perform all listed inspections and maintenance to keep your vehicle
in good condition. If you become aware of an y abnormality (noise, smell, insufficient
brake fluid, oil residue on the ground, etc.), have your vehicle inspected by a dealer.
(Note, however, that service at a dealer is not mandatory to keep your warranties in
effect.)
■Routine inspections
Perform inspections before long distance trips, when washing the vehicle, or when
refueling.
2 Maintenance P. 36
■Periodic inspections
• Check the brake/clutch* fluid level monthly.
2 Brake/Clutch* Fluid P. 726
•Check the tire pressure monthly. Examin e the tread for wear and foreign objects.
2Checking and Maintaining Tires P. 736
•Check the operation of the exterior lights monthly.
2 Replacing Light Bulbs P. 728
•Check the condition of the wiper bl ades at least every six months.
2Checking and Maintaining Wiper Blades P. 733
■Types of Inspection and Maintenance
1Inspection and Maintenance
Maintenance, replacement, or repair of
emissions control devices and systems may be
done by any automotive repair establishment or
individuals using parts that are “certified” to
EPA standards.
According to state and fede ral regulations, failure to
perform maintenance on the maintenance main
items marked with # will not void your emissions
warranties. However, all ma intenance services should
be performed in accordan ce with the intervals
indicated by the driver information interface.
2 Maintenance Service Items P. 700
If you want to perform complex maintenance tasks
that require more skills a nd tools, you can purchase a
subscription to the Service Express website at
www.techinfo.honda.com .
2 Authorized Manuals P. 826
If you want to perform ma intenance yourself, make
sure that you have the necessary tools and skills first.
After performing maintenanc e, update the records in
the separate maintenance booklet.
U.S. models
* Not available on all models
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 692 ページ ２０２２年６月２３日　木曜日　午後９時２８分

693
uuBefore Performing Maintenance uSafety When Performing Maintenance
Maintenance
Safety When Performing Maintenance
Some of the most important safety precau tions are given here. However, we cannot
warn you of every conceivable hazard that can arise in performing maintenance.
Only you can decide whether you should perform a given task.
• To reduce the possibility of fire or explos ion, keep cigarettes, sparks, and flames
away from the battery and all fuel related parts.
• Never leave rags, towels, or other flammable objects under the hood.
u Heat from the engine and exhaust can ignite them, causing a fire.
• To clean parts, use a co mmercially available degreaser or parts cleaner, not
gasoline.
• Wear eye protection and prot ective clothing when working with the battery or
compressed air.
• Engine exhaust contains carbon monoxide, which is poisonous and can kill you.
u Only operate the engine if th ere is sufficient ventilation.
• The vehicle must be in a stationary condition.
u Make sure your vehicle is parked on le vel ground, the parking brake is set, and
the engine is off.
• Be aware that hot parts can burn you.
u Make sure to let the engine and exhaust system cool thoroughly before
touching vehicle parts.
• Be aware that moving parts can injure you.
u Do not start the engine unless instruct ed, and keep your hands and limbs away
from moving parts.
u Do not open the hood wh ile the Auto Idle Stop
* function is activated.
■Maintenance Safety
■Vehicle Safety
1Safety When Performing Maintenance
3WARNING
Improperly maintaining this vehicle or
failing to correct a pr oblem before driving
can cause a crash in which you can be
seriously hurt or killed.
Always follow the inspection and
maintenance recommendations according
to the schedules in this owner's manual.
3WARNING
Failure to properly follow maintenance
instructions and prec autions can cause you
to be seriously hurt or killed.
Always follow the procedures and
precautions in this owner's manual.
* Not available on all models
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 693 ページ ２０２２年６月２３日　木曜日　午後９時２８分

701
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Continued
Maintenance
1Maintenance Service Items
•Adjust the valves during services A, B, 1, 2, or 3 if
they are noisy.
U.S. models with Auto Idle Stop
*1: If a Maintenance Minder message does not appear more than 12 months after the display is reset,
change the engine oil every year.
# : See information on maintenance and emissions warranty in the first column on page 823.
CODEMaintenance Main Items
A
●Replace engine oil*1
B●Replace engine oil*1 and oil filter●Inspect front and rear brakes●Inspect these items: • Tie rod ends, steering gearbox, and boots
• Suspension components
• Driveshaft boots
• Brake hoses and lines (including ABS/VSA®)
• All fluid levels and condition of fluids
• Exhaust system
#
•Fuel lines and connections#*2: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
*3: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and
from diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles (24,000 km).
*4: Driving in mountainous areas at very low vehicle speeds results in higher transmission temperatures. This requires transmission fluid changes more frequently than recommended by the Maintenance
Minder
TM.
If you regularly drive your vehicle under these conditions, have the transmission fluid changed every
25,000 miles (40,000 km).
If you regularly drive your vehicle under these conditions, have the transmission fluid changed every
37,500 miles (60,000 km).
*5: If a Maintenance Minder message does not appear more than 36 months after the display for item 7 is reset, change the brake fluid every 3 years.
CODEMaintenance Sub Items
1
●Rotate tires
2●Replace air cleaner element*2
●Replace dust and pollen filter*3
●Inspect drive belt
3
●Replace transmission fluid*4
4●Replace spark plugs●Inspect valve clearance
5
●Replace engine coolant
7●Replace brake fluid*5
Continuously variable transmission models
Manual transmission models
23 CIVIC HATCHBACK TYPE R-31T406100_03.book 701 ページ ２０２２年６月２３日　木曜日　午後９時２８分