2021 HONDA CIVIC SEDAN fuel pressure

13
Quick Reference Guide
Instrument Panel (P 77)
System Indicators
Malfunction Indicator
Lamp
Low Oil Pressure
Indicator
Charging System
Indicator
Anti-lock Brake System
(ABS ) Indicator
Vehicle Stability
Assist
TM (VSA ®)
System Indicator
Vehicle Stability
Assist
TM (VSA ®) OFF
Indicator
Low Tire Pressure/
TPMS Indicator
*
Electric Power
Steering (EPS) System
Indicator
Seat Belt Reminder
Indicator
System Indicators
Parking Brake and
Brake System
Indicator (Red) Supplemental
Restraint System
Indicator
Tachometer
Speedometer Fuel Gauge
Immobilizer System
Indicator/Security
System Alarm Indicator
Shift Lever Position Indicator/
Transmission System Indicator
Low Fuel Indicator
ECON Mode Indicator Turn Signal and
Hazard Warning
Indicators
Parking Brake and
Brake System
Indicator (Amber)
System Indicators
U.S.
Canada
U.S.
Canada Automatic Brake Hold
System Indicator
Automatic Brake Hold
IndicatorU.S.
Canada Temperature Gauge
Lights Indicators
Lights On Indicator
High Beam Indicator
Fog Light Indicator*
Adaptive Cruise
Control (ACC) with
Low Speed Follow
Indicator (Amber/
Green)
System Message
Indicator
Collision Mitigation
Braking SystemTM
(CMBSTM) Indicator
Road Departure
Mitigation (RDM)
Indicator
Lane Keeping Assist
System (LKAS)
Indicator (Amber/
Green)
Ambient Meter
Gauges (P 108)/Driver Information Interface (P 109)/System Indicators (P 78)
M (7-speed manual shift mode)
Indicator/Shift Indicator
*
Auto High-Beam
Indicator
* Not available on all models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 13 ページ ２０２０年８月２５日　火曜日　午後２時６分

Continued113
uuGauges and Driver Information Interface uDriver Information Interface
Instrument Panel
Shows the outside temperature in Fahr enheit (U.S.) or Celsius (Canada).
■Adjusting the outside temperature display
Adjust the temperature reading by up to ±5°F or ±3°C if the temperature reading
seems incorrect.
Use the customized features in the driver information interface or audio/information
screen to correct the temperature.
2 Customized Features P. 115, 325
Shows the instant fuel economy as a bar graph in mpg or l/100 km.
When the turbo charger is producing boost,
this meter shows the boost pressure.
■Outside Temperature
■Instant Fuel Economy
■Turbo Meter*
1 Outside Temperature
The temperature sensor is in the front bumper.
Road heat and exhaust fr om another vehicle can
affect the temperature reading when your vehicle
speed is less than 19 mph (30 km/h).
It may take several minutes for the display to be
updated after the temperature reading has stabilized.
* Not available on all models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 113 ページ ２０２０年８月２５日　火曜日　午後２時６分

415
Driving
This chapter discusses driving and refueling.
Before Driving................................... 416
Towing a Trailer ................................ 421
When Driving Starting the Engine .................. 422, 425
Precautions While Driving................. 430
Continuously Variable Transmission ..... 431
Shifting .................................... 432, 434
ECON Mode .................................... 438
Vehicle Stability AssistTM (VSA®), aka Electronic
Stability Control (ESC), System .............. 439
Agile Handling Assist ....................... 441
Tire Pressure Monitoring System (TPMS)*.. 442
Tire Pressure Monitoring System (TPMS) - Required Federal Explanation*........ 446
LaneWatchTM*.................................. 448
Honda Sensing ®................................ 450
Collision Mitigati on Braking System
TM
(CMBSTM) ....................................... 453
Adaptive Cruise Control (ACC) with Low Speed Follow ................................. 463
Lane Keeping Assist System (LKAS) .. 479
Road Departure Mitigation (RDM) System.... 487
Front Sensor Camera ....................... 491
Radar Sensor.................................... 493 Braking
Brake System ................................... 494
Anti-lock Brake System (ABS) ........... 499
Brake Assist System ......................... 500
Parking Your Vehicle ........................ 501
Multi-View Rear Camera .................. 503
Refueling ........................................... 505
Fuel Economy and CO
2 Emissions .... 508
Turbo Engine Vehicle*...................... 509
* Not available on all models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 415 ページ ２０２０年８月２５日　火曜日　午後２時６分

446
uuWhen Driving uTire Pressure Monitoring System (TPMS) - Required Federal Explanation
Driving
Tire Pressure Monitoring System (TPMS) - Required
Federal Explanation
Each tire, including the spare (i f provided), should be checked
monthly when cold and inflated to the inflation pressure
recommended by the vehicle manufacturer on the vehicle placard
or tire inflation pressure label.
(If your vehicle has tires of a different size than the size indicated
on the vehicle placard or tire infl ation pressure label, you should
determine the proper tire inflat ion pressure for those tires.)
As an added safety feature, your vehicle has been equipped with
a tire pressure monitoring system (TPMS) that illuminates a low
tire pressure telltale
when one or more of your tire s is significantly under-inflated.
Accordingly, when the low tire pr essure telltale illuminates, you
should stop and check your tires as soon as possible, and inflate
them to the proper pressure.
Driving on a significantly under-in flated tire causes the tire to
overheat and can lead to tire fail ure. Under-inflation also reduces
fuel efficiency and tire tread li fe, and may affect the vehicle's
handling and stopping ability.
U.S. models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 446 ページ ２０２０年８月２５日　火曜日　午後２時６分

508
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 accordance with the messages displayed on the
driver information interface.
• Use engine oil with the viscosity recommended.
2 Recommended Engine Oil P. 524
•Maintain the specified tire pressure.
• Do not load the vehicl e 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 search 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
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 508 ページ ２０２０年８月２５日　火曜日　午後２時６分

512
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.)
■Daily inspections
Perform inspections before long distance trips, when washing the vehicle, or when
refueling.
2 Maintenance P. 28
■Periodic inspections
• Check the brake fluid level monthly.
2 Brake Fluid P. 534
•Check the tire pressure monthly. Examin e the tread for wear and foreign objects.
2Checking and Maintaining Tires P. 548
•Check the operation of the exterior lights monthly.
2 Replacing Light Bulbs P. 536
•Check the condition of the wiper bl ades at least every six months.
2Checking and Maintaining Wiper Blades P. 545
■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. 518
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. 616
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
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 512 ページ ２０２０年８月２５日　火曜日　午後２時６分

548
Maintenance
Checking and Maintaining Tires
Checking Tires
To safely operate your vehicle, your tires must be of the proper type and size, in
good condition with adequate tread, and properly inflated.
■Inflation guidelines
Properly inflated tires provide the best combination of handling, tread life, and
comfort. Refer to the driver’s doorjamb labe l or specifications page for the specified
pressure.
Underinflated tires wear unevenly, adversely affect handling and fuel economy, and
are more likely to fail from overheating.
Overinflated tires make your vehicle ride harshly, are more prone to road hazards,
and wear unevenly.
Every day before you drive, look at each of the tires. If one looks lower than the
others, check the pressure with a tire gauge.
At least once a month or before long trips, use a gauge to measure the pressure in
all tires, including the spare. Even tires in good condition can lose 1-2 psi (10-20 kPa,
0.1-0.2 kgf/cm
2) per month.
■Inspection guidelines
Every time you check inflation, also examine the tires and valve stems. Look for:
• Bumps or bulges on the side or in the tread . Replace the tire if you find any cuts,
splits, or cracks in the si de of the tire. Replace it if you see fabric or cord.
• Remove any foreign objects and inspect for air leaks.
• Uneven tread wear. Have a deal er check the wheel alignment.
• Excessive tread wear.
2 Wear Indicators P. 553
•Cracks or other damage around valve stem.
1Checking Tires
Measure the air pressure when tires are cold. This
means the vehicle has been parked for at least three
hours, or driven less than 1 mile (1.6 km). If
necessary, add or releas e air until the specified
pressure is reached.
If checked when hot, tire pressure can be as much as
4–6 psi (30–40 kPa, 0.3–0.4 kgf/cm
2) higher than if
checked when cold.
Whenever tire pressure is adjusted, you must
calibrate the TPMS. 2 TPMS Calibration P. 443
Have a dealer check the tires if you feel a consistent
vibration while driving. Ne w tires and any that have
been removed and reinst alled should be properly
balanced.
Check the spare tire pressu re once a month or before
long trips.
3WARNING
Using tires that are excessively worn or
improperly inflated can cause a crash in
which you can be seriously hurt or killed.
Follow all instruction s in this owner’s
manual regarding ti re inflation and
maintenance.
U.S. models
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 548 ページ ２０２０年８月２５日　火曜日　午後２時６分

565
uuCleaning uExterior Care
Continued
Maintenance
Exterior Care
Dust off the vehicle body after you drive. Regularly inspect your vehicle for scratches
on painted surfaces. A scratch on a painted surface can result in body rust. If you
find a scratch, promptly repair it.
Wash the vehicle regularly. Wash more frequently when driving in the following
conditions:
• If driving on roads with road salt.
• If driving in coastal areas.
• If tar, soot, bird droppings, insects, or tree sap are stuck to painted surfaces.
• Make sure to follow the instructions indicated on the automated car wash.
• Fold in the door mirrors.
• For models equipped with automatic inte rmittent wipers, turn the wipers off.
• Keep sufficient distance between the cleaning nozzle and the vehicle body.
• Take particular care around the windows. Standing too close may cause water to
enter the vehicle interior.
• Do not spray high pressure water directly into the engine compartment. Instead,
use low pressure water and a mild detergent.
■Washing the Vehicle
■Using an Automated Car Wash
■Using High Pressure Cleaners
1 Washing the Vehicle
Do not spray water into the air intake vents. It can
cause a malfunction.
Do not spray water onto the fuel fill door directly. A
high-pressure spray ma y cause it to open.
Do not spray water onto the capless unit when the
fuel fill door is open. It ca n cause damage to the fuel
system or engine.
If you need to lift the wiper arms away from the
windshield, first set the wiper arms to the
maintenance position. 2 Changing the Wiper Blade Rubber P. 545
Air Intake Vents
21 CIVIC 4D HCM_HMIN_J (KA KL KC)-31TBA6500.book 565 ページ ２０２０年８月２５日　火曜日　午後２時６分