recommended oil HONDA CIVIC HATCHBACK 2021 Owner's Manual (in English)
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Page 568 of 711

566
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 the recommended viscosity engine oil.
2 Recommended Engine Oil P. 582
•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
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Page 571 of 711

569
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 570
Safety When Performing Maintenance .... 571Parts and Fluids Used in Maintenance Service ........................................... 572
Maintenance Minder
TM..................... 573
Maintenance Under the Hood
Maintenance Items Un der the Hood .... 579Opening the Hood ........................... 581
Recommended Engine Oil ................ 582
Oil Check ......................................... 583
Adding Engine Oil ............................ 585
Changing the Engine Oil and Oil Filter..... 586
Engine Coolant ................................ 589
Transmission Fluid ............................ 591
Brake/Clutch
* Fluid .......................... 592
Refilling Window Washer Fluid......... 593
Replacing Light Bulbs ....................... 594
Checking and Maintaining Wiper
Blades .......................................... 604
Checking and Maintaining Tires
Checking Tires ................................. 609
Tire and Loading Information Label ..... 610Tire Labeling .................................... 610DOT Tire Quality Grading (U.S. Vehicles) ...... 612Wear Indicators................................ 614 Tire Service Life ................................ 614
Tire and Wheel Replacement ........... 615
Tire Rotation .................................... 616
Winter Tires ..................................... 617
Cold Weather Driving ...................... 619
Battery ............................................... 620
Remote Transmitter Care Replacing the Button Battery ........... 622
Climate Control System Maintenance .. 624Cleaning
Interior Care .................................... 625
Exterior Care.................................... 628
Accessories and Modifications ........ 631
* Not available on all models
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Page 578 of 711

576
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Maintenance
■Maintenance Service Items1Maintenance Service Items
•Adjust the valves during services A, B, 1, 2, or 3 if
they are noisy.
Maintenance Minder Message
System Message
Indicator
Sub Items
Main Item
U.S. models
*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.
*2: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles.
CODEMaintenance Main Items
A
●Replace engine oil*1
B●Replace engine oil*1 and oil filter●Inspect front and rear brakes●Check expiration date for Temporary Tire Repair kit
bottle (If equipped)
●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#
*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.
*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. If you regularly drive your vehicle
under these conditions, have the transmission fluid changed every 25,000 miles.
*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
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Page 579 of 711

577
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Continued
Maintenance
1Maintenance Service Items
•Adjust the valves during services A, 0, 9, 1, 2, or 3
if they are noisy.
Canadian models
*1: If a Maintenance Minder message does not appear more than 12 months after the display is reset,
change the engine oil every year.
*2: If you drive in dusty conditions, replace the air cleaner element every 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 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. If you regularly drive your vehicle
under these conditions, have the transmission fluid changed every 40,000 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.
# : See information on maintenance and emissions warranty.
CODEMaintenance Main Items
A
●Replace engine oil*1
0●Replace engine oil*1 and oil filter
Continuously variable transmission models
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
9●Service front and rear brakes●Check expiration date for Temporary Tire Repair kit
bottle (If equipped)
●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#
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Page 584 of 711

582
uuMaintenance Under the Hood uRecommended Engine Oil
Maintenance
Recommended Engine Oil
Oil is a major contributor to your engine's
performance and longevity. If you drive the
vehicle with insufficient or deteriorated oil,
the engine may fail or be damaged.
This seal indicates the oil is energy conserving
and that it meets the American Petroleum
Institute’s latest requirements.
Use Honda Genuine Motor Oil or another
commercial engine oil of suitable viscosity for
the ambient temperature as shown.
■Synthetic oil
You may also use synthetic motor oil if it is labeled with the API Certification Seal
and is the specified viscosity grade.
• Honda Genuine Motor Oil
• Premium-grade 0W-20 detergent oil with an API Certification Seal on the
container.1Recommended Engine Oil
Engine Oil Additives
Your vehicle does not require oil additives. In fact,
they may adversely affect the engine performance
and durability.
Ambient Temperature
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Page 590 of 711

uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
588
Maintenance
5. Remove the oil filter and dispose of the
remaining oil.
6. Check that the filter ga sket is not stuck to
the engine contact surface.
u If it is stuck, you must detach it.
7. Wipe away dirt and dust adhering to the
contact surface of the engine block, and
install a new oil filter.
u Apply a light coat of new engine oil to
the filter gasket.
8. Put a new washer on the drain bolt, then
reinstall the drain bolt.
u Tightening torque:
30 lbf∙ft (40 N∙m, 4.0 kgf∙m)
9. Pour the recommended engine oil into the
engine.
u Engine oil change capacity (including
filter):
3.7 US qt (3.5 L)
5.7 US qt (5.4 L)
10. Reinstall the engine oi l fill cap securely and
start the engine.
11. Run the engine for a few minutes, and
then check that ther e is no leak from the
drain bolt or oil filter.
12. Stop the engine, wait for three minutes,
and then check the oil level on the dipstick.
u If necessary, add more engine oil.1Changing the Engine Oil and Oil Filter
You will need a special wrench to replace the oil
filter. You can buy this wrench from a dealer.
When installing the new oil filter, follow the
instructions supplied with the oil filter.
Reinstall the engine oil fill cap. Start the engine. The
low oil pressure indicator should go off within five
seconds. If it does not, turn off the engine, and check
your work.
Oil Filter
1.5 L engine models
2.0 L engine models
Oil Filter
1.5 L engine models
2.0 L engine models
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Page 687 of 711

685
uuSpecifications u
Information
■
Brake/Clutch* Fluid
■ Continuously Variable Transmission
Fluid
*
■ Manual Transmi ssion Fluid*
*1: 1.5 L engine models
*2: 2.0 L engine models
SpecifiedHonda Heavy Duty Brake Fluid DOT 3
SpecifiedHonda HCF-2
Capacity Change 3.9 US qt (3.7 L)
SpecifiedHonda MTF
Capacity Change 2.0 US qt (1.9 L)*1
2.3 US qt (2.2 L)*2
■
Engine Oil
*1: 1.5 L engine models
*2: 2.0 L engine models
■Engine Coolant
*1: Models with continuously variable transmission
*2: Models with manual transmission
Recommended·Honda Genuine Motor Oil 0W-20
·API Premium-grade 0W-20 detergent oil
Capacity Change
3.4 US qt (3.2 L)
*1
5.3 US qt (5.0 L)*2
Change
including
filter3.7 US qt (3.5 L)*1
5.7 US qt (5.4 L)*2
SpecifiedHonda Long Life Antifreeze/Coolant Type 2
Ratio 50/50 with distilled water
Capacity
1.30 US gal (4.92 L)*1
(change including the remaining
0.15 US gal (0.58 L) in the reserve tank)
1.28 US gal (4.84 L)
*2
(change including the remaining
0.15 US gal (0.58 L) in the reserve tank)
1.26 US gal (4.64 L)
(change including the remaining
0.20 US gal (0.75 L) in the reserve tank)
1.5 L engine models
2.0 L engine models
■ Tire
*1: Models with 16 inch wheel
*2: Models with 17 inch wheel
*3: 1.5 L engine models with 18 inch wheel
*4: 2.0 L engine models with 18 inch wheel
*5: Models with 20 inch wheel
*6: 2.0 L engine models with optional compact spare tire
Regular
Size
215/55R16 93H*1
215/50R17 91H*2
235/40R18 91W*3
235/40R18 95Y*4
245/30ZR20 90Y*5
Pressure
psi (kPa [kgf/cm2])
Front32 (220 [2.2])*1, *2
35 (240 [2.4])*3, *4, *5
Rear32 (220 [2.2])*1, *2
33 (230 [2.3])*3, *4, *5
Compact
Spare Size
T125/80D16 97M
*1, *2
T125/70D17 98M*3
T125/70R18 99M*6
Pressure
psi (kPa [kgf/cm2])
60 (420 [4.2])
Wheel Size
Regular
16 x 7J*1
17 x 7J*2
18 x 8J*3, *4
20 x 8 1/2J*5
Compact Spare16 x 4T*1, *2
17 x 4T*3
18 x 4T*6
* Not available on all models
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Page 700 of 711

Index
698
Index
Index
Numbers
7-Speed Manual Shift Mode.................... 465
A
ABS (Anti-lock Brake System) ................... 556
Accelerator Position Meter ...................... 131
Accessories and Modifications ................. 631
Accessory Power Socket ........................... 208
Adaptive Cruise Control (ACC) ........... 99, 518
Adaptive Cruise Control (ACC) with Low Speed Follow ............................. 99, 501
Adding the Coolant .................................. 590
Additives Coolant ................................................... 589
Engine Oil ................................................ 582
Washer .................................................... 593
Additives, Engine Oil ................................ 582
Adjusting Armrest ................................................... 200
Clock ....................................................... 144
Front Head Restraints............................... 196
Front Seats .............................................. 193
Mirrors .................................................... 190
Rear Seats................................................ 199
Steering Wheel ........................................ 189
Temperature ............................................ 129
Adjusting the Clock .................................. 144
Adjusting the Sound ................................. 238
Agile Handling Assist ................................ 478 Air Conditioning System (Climate Control
System) .................................................... 217
Changing the Mode ................................ 220
Defrosting the Windshield and Windows ............................................... 221
Dust and Pollen Filter............................... 624
Recirculation/Fresh Air Mode ................... 220
Sensor ..................................................... 224
Using Automatic Climate Control ............ 217
Air Pressure ....................................... 610, 685
Airbags ........................................................ 48
Advanced Airbags ..................................... 54
After a Collision ........................................ 51
Airbag Care............................................... 63
Event Data Recorder .................................... 0
Front Airbags (SRS) .................................... 51
Indicator.............................................. 60, 89
Passenger Front Airbag Off Indicator ......... 61
Sensors ..................................................... 48
Side Airbags .............................................. 56
Side Curtain Airbags.................................. 58
AM/FM Radio ............................................ 280
Android Auto ........................................... 316
Anti-lock Brake System (ABS) .................. 556
Indicator.................................................... 89
Apple CarPlay ........................................... 313
Armrest ..................................................... 200
Audio Remote Controls ........................... 230
Audio System .................................... 226, 251
Adjusting the Sound........................ 238, 273
Android Auto .......................................... 316 Apple CarPlay ......................................... 313
Audio/Information Screen ....................... 252
Bluetooth
® Audio ........................... 248, 303
Changing the Home Screen Icon Layout.. 256
Changing the Screen Interface ................ 270
Closing Apps .......................................... 272
Customizing the Meter ........................... 256
Display Setup .......................................... 274
Error Messages ....................................... 320
General Information................................ 324
Home Screen .......................................... 262
HondaLink ®........................................... 305
iPod ................................................ 242, 291
Limitations for Manual Operation ............ 275
Menu Customize .................................... 271
MP3/WMA/AAC ............................. 245, 300
Pandora ®.............................................. 298
Reactivating ............................................ 229
Recommended Devices ........................... 326
Remote Controls ..................................... 230
Security Code ......................................... 229
Selecting an Audio Source ...................... 275
Siri Eyes Free ........................................... 312
SiriusXM ® Radio ...................................... 283
Song By Voice
TM (SBV) ............................. 294
Status Area ............................................. 269
Theft Protection ...................................... 229
USB Flash Drives...................... 245, 300, 326
USB Port(s) .............................................. 227
Voice Control Operation ......................... 276
Wallpaper Setup ..................................... 260
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Page 702 of 711

700
Index
Continuously Variable TransmissionCreeping ................................................. 460
Fluid ........................................................ 591
Kickdown ................................................ 460
Operating the Shift Lever ................... 24, 462
Shift Lever Does Not Move....................... 665
Shifting.................................................... 461
Controls ..................................................... 143
Coolant (Engine) ....................................... 589
Adding the Coolant ................................. 590
Overheating............................................. 666
Creeping (Continuously Variable Transmission) ........................................... 460
Cup Holders ............................................... 205
Customer Service Information ................. 696
Customized Features ........................ 134, 350
D
Daytime Running Lights ........................... 180
Dead Battery ............................................. 662
Defaulting All the Settings ...................... 379
Defrosting the Windshield and Windows .................................................. 221
Devices that Emit Radio Waves ................ 687
Dimming Headlights ............................................... 177
Rearview Mirror ....................................... 190
Dipstick (Engine Oil) ................................. 583
Directional Signals (Turn Signal) .............. 176
Display Button .......................................... 252 Display Setup
............................................ 239
Display/Information Button ..................... 125
Door Mirrors ............................................. 192
Doors ......................................................... 145
Auto Door Locking .................................. 159
Auto Door Unlocking .............................. 159
Keys ........................................................ 145
Locking/Unlocking the Doors from the
Inside .................................................... 156
Locking/Unlocking the Doors from the Outside ................................................. 147
DOT Tire Quality Grading ........................ 612
Drive Mode Switch ................................... 473
Driver Information Interface ................... 124
Driving ...................................................... 443
Braking ................................................... 549
Continuously Variable Transmission ......... 460
Shifting Gear ........................................... 468
Shifting Position ...................................... 461
Starting the Engine.......................... 451, 454
Dust and Pollen Filter ............................... 624
E
Eco Assist System........................................ 11
ECON Mode .............................................. 472
Elapsed Time ............................................. 128
Electric Power Steering (EPS) System ........ 89
Indicator............................................ 89, 672
Electronic Stability Control (ESC) ............. 475
Emergency ................................................ 679 Emergency Engine Stop
........................... 661
Emissions Testing (Readiness Codes) ...... 689
Engine Coolant .................................................. 589
If the Battery Is Dead............................... 662
Oil .......................................................... 582
Starting........................................... 451, 454
Switch Buzzer ......................................... 171
Engine Coolant ........................................ 589
Adding the Coolant ................................ 590
Overheating ............................................ 666
Temperature Gauge ................................ 122
Engine Oil ................................................. 582
Adding ................................................... 585
Checking ................................................ 583
Displaying Oil Life ................................... 574
Low Oil Pressure Indicator ................. 84, 668
Recommended Engine Oil ....................... 582
ENGINE START/STOP Button .................... 172
EPS (Electric Power Steering) System ...... 672
Exhaust Gas Hazard (Carbon Monoxide) .. 79
Exterior Care (Cleaning) .......................... 628
Exterior Mirrors ........................................ 192F
Features.................................................... 225
Filters Dust and Pollen....................................... 624
Oil .......................................................... 586
Flat Tire ..................................................... 635
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Page 705 of 711

703
Index
Load Limits............................................... 447
Locking/Unlocking ................................... 145
Auto Door Locking/Unlocking ................. 159
Childproof Door Locks ............................ 158
From Inside ............................................. 156
From Outside .......................................... 147
Keys........................................................ 145
Using a Key............................................. 154
Low Battery Charge ................................. 668
Low Fuel Indicator ..................................... 88
Low Oil Pressure Indicator ................. 84, 668
Low Smart Entry Remote Signal Strength .................................................. 146
Lower Anchors ........................................... 69
Luggage (Maximum Load Limit) ............. 447
M
Maintenance............................................ 569
Adding the Coolant ................................ 590
Battery .................................................... 620
Brake/Clutch Fluid ................................... 592
Cleaning ................................................. 625
Climate Control System .......................... 624
Coolant .................................................. 589
Maintenance Minder
TM............................ 573
Oil .......................................................... 583
Precautions ............................................. 570
Remote Transmitter ................................ 622
Replacing Light Bulbs .............................. 594
Safety ..................................................... 571 Service Items ........................................... 576
Tires ........................................................ 609
Transmission Fluid ................................... 591
Under the Hood ...................................... 579
Malfunction Indicator Lamp .............. 85, 669
Manual Transmission ................................ 468
Map Lights ................................................ 202
Maximum Load Limit ............................... 447
Meters, Gauges ......................................... 122
Mirrors ....................................................... 190
Adjusting ................................................. 190
Door ........................................................ 192
Exterior .................................................... 192
Interior Rearview ..................................... 190
Modifications (and Accessories) .............. 631
Moonroof .................................................. 170
MP3 ................................................... 245, 300
Multi-View Rear Camera .......................... 560
N
Numbers (Identification).......................... 686
O
Odometer.................................................. 127
Oil (Engine) ............................................... 582
Adding .................................................... 585
Checking ................................................. 583
Displaying Oil Life .................................... 574
Low Oil Pressure Indicator .................. 84, 668 Recommended Engine Oil ....................... 582
Viscosity .................................................. 582
Open Source Licenses ............................... 341
Opening Hatch ...................................................... 681
Opening/Closing Hatch ...................................................... 160
Hood....................................................... 581
Moonroof ............................................... 170
Power Windows ...................................... 167
Outside Temperature Display .................. 129
Overheating .............................................. 666
P
Paddle Shifters (7-Speed Manual
Shift Mode) ............................... 25, 465, 466
Pandora ®................................................. 298
Panic Mode ............................................... 166
Parking ...................................................... 558
Parking Brake ........................................... 549
Parking Brake and Brake System Indicator (Amber) ..................................... 83
Parking Brake and Brake System
Indicator (Red) .......................... 82, 670, 671
Passenger Front Airb ag Off Indicator....... 61
Passing Indicators ..................................... 177
Playing Bluetooth ® Audio ................ 248, 303
Power Windows ....................................... 167
Precautions While Driving ....................... 459
Rain ........................................................ 459
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