2021 HONDA ACCORD SEDAN engine

641Continued
Information
Emissions Testing
Testing of Readiness Codes
Your vehicle has readiness code as part of the onboard self diagnostic system. Some
states use these codes for testing to ve rify whether your vehicle’s emissions
components are working properly.
The codes may not be read properly if testing is performed just after the battery has
gone dead or been disconnected.
To check if they are set, set the power mo de to ON, without starting the engine. The
malfunction indicator lamp will come on for several seconds. If it then goes off, the
readiness codes are set. If it blinks fi ve times, the readiness codes are not set.
If you are required to have your vehicle te sted before the readiness codes are ready,
prepare the vehicle for retest ing by doing the following:
1. Fill the gas tank to approximately 3/4 full.
2. Park the vehicle and leave the engine off for 6 hours or more.
3. Make sure the ambient temperature is between 40°F and 95°F (4°C and 35°C).
4. Start the engine without touching the ac celerator pedal, and let it idle for 20
seconds.
5. Keep the vehicle in
(P. Increase the engine speed to 2,000 rpm, and hold it there
for about 3 minutes.
6. Let the engine idle with your foot off the accelerator for 20 seconds.
1Testing of Readiness Codes
The readiness codes are erased when the battery is
disconnected, and set again onl y after several days of
driving under a variety of conditions.
If a testing facility determines that the readiness
codes are not set, you may be requested to return at
a later date to complete the test.
If the testing facility determines the readiness codes
are still not set, see a dealer.

642
uuEmissions Testing uTesting of Readiness Codes
Information
7. Select a nearby, lightly traveled major hi ghway where you can maintain a speed
of 50 to 60 mph (80 to 97 km/h) for at least 20 minutes. Drive on the highway in
(D. Do not use cruise control. When tra ffic allows, drive for 90 seconds without
moving the accelerator pedal. (Vehicle spee d may vary slightly; this is okay.) If you
cannot do this for a continuous 90 seconds because of traffic conditions, drive for
at least 30 seconds, then repeat it two mo re times (for a total of 90 seconds).
8. Drive in city or suburban traffic for at le ast 10 minutes. When traffic conditions
allow, let the vehicle coast for several se conds without using the accelerator pedal
or the brake pedal.
9. Park the vehicle and leave the engine off for 30 minutes.

647
Information
Customer Service Information
Honda dealership personnel are trained professionals who should be able to deal
with any problems you may encounter with your vehicle. If, however, you are faced
with a problem that they cannot resolve to your satisfaction, contact Honda
Customer Services.
U.S. Owners
American Honda Motor Co., Inc.
Honda Automobile Customer Services
Mail Stop 100-5E-8A
1919 Torrance Blvd.
Torrance, CA 90501-2746
Tel: 1 (800) 999-1009 Canadian Owners
Honda Canada Inc.
Customer Relations
180 Honda Boulevard
Markham, ON
L6C 0H9
Tel: 1-888-9-HONDA-9
Fax: 1-877-939-0909
E-mail: [email protected]
In Puerto Rico a nd the U.S. Virgin
Islands
Bella International
P.O. Box 190816
San Juan, PR 00919-0816
Tel: 1 (787) 620-75461 Customer Service Information
When you call or write, please give us the following
information:
•Vehicle Identification Number
2Vehicle Identification Number (VIN),
Engine Number, and Transmission
Number P. 638
•Date of purchase•Odometer reading of your vehicle
•Your name, address, and telephone number
•A detailed description of the problem•Name of the dealer who sold the vehicle to you

Index
648
Index
Index
Numbers
7-Speed Manual Shift Mode.................... 433
Operation ................................................ 434
A
ABS (Anti-lock Brake System) ................... 518
Accessories and Modifications ................. 595
Accessory Power Sockets .......................... 231
Adaptive Cruise Control (ACC) with Low
Speed Follow ........................... 103, 104, 472
Adaptive Damper System ......................... 442
Additives
Coolant ................................................... 561
Engine Oil ................................................ 553
Washer .................................................... 565
Additives, Engine Oil ................................ 553
Adjusting
Armrest ................................................... 222
Front Seats .............................................. 212
Head Restraints........................................ 219
Mirrors .................................................... 210
Rear Seats................................................ 216
Steering Wheel ........................................ 209
Agile Handling Assist ................................ 445
Air Conditioning System (Climate Control System) ........................ 240
Changing the Mode ................................ 240
Defrosting the Windshield and Windows ............................................... 241
Dust and Pollen Filter ............................... 589 Recirculation/Fresh Air Mode ................... 240
Sensors ................................................... 243
Synchronized Mode................................. 242
Using Automatic Climate Control ............ 240
Air Pressure ............................... 578, 635, 637
Airbags ........................................................ 46
Advanced Airbags ..................................... 52
After a Collision ........................................ 49
Airbag Care............................................... 63
Event Data Recorder .................................... 0
Front Airbags (SRS) .................................... 49
Indicator.............................................. 60, 93
Knee Airbags............................................. 54
Passenger Front Airbag Off Indicator ......... 61
Sensors ..................................................... 46
Side Airbags .............................................. 57
Side Curtain Airbags.................................. 59
AM/FM Radio ............................................ 278
Android Auto ........................................... 321
Anti-lock Brake System (ABS) .................. 518
Indicator.................................................... 93
Apple CarPlay ........................................... 314
Armrest ..................................................... 222
AT&T Hotspot ........................................... 312
Audio Remote Controls ........................... 250
Audio System ............................................ 246
Adjusting the Sound................................ 272
Audio/Information Screen........................ 254
Display Setup .......................................... 273
Error Messages ........................................ 328
General Information ................................ 330 Home Screen .......................................... 259
How to Update Wirelessly ....................... 266
How to Update with a USB Device .......... 270
How to use Siri Eyes Free ........................ 313
iPod ........................................................ 293
Limitations for Manual Operation ............ 274
MP3/WMA/AAC ..................................... 296
Reactivating ............................................ 249
Remote Controls ..................................... 250
Security Code ......................................... 249
Selecting an Audio Source ...................... 274
Status Area ............................................. 264
System Updates ...................................... 266
Theft Protection ...................................... 249
USB Flash Drives.............................. 296, 331
USB Ports ................................................ 247
Wallpaper Setup ..................................... 257
Audio/Information Screen ....................... 254
Authorized Manuals ................................ 646
Auto Door Locking/Unlocking ................ 180
Customize .............................................. 369
Auto High-Beam ...................................... 199
Indicator ................................................... 94
Auto Idle Stop .......................................... 437
Auto Idle Stop OFF Button ...................... 438
Automatic Brake Hold ............................. 515
Indicator ........................................... 86, 515
Automatic Brake Hold System
Indicator ........................................... 86, 515
Automatic Intermittent Wipers .............. 203
Automatic Lighting .................................. 196

650
Index
Shift Lever Does Not Move....................... 611
Shifting............................................ 429, 431
Controls ..................................................... 165
Coolant (Engine) ....................................... 561
Adding to the Engine Coolant Reserve
Tank ...................................................... 561
Adding to the Radiator ............................ 562
Overheating............................................. 613
Creeping (Automatic Transmission/ Continuously Variable Transmission) ..... 421
Cross Traffic Monitor ................................ 527
Cup Holders ............................................... 227
Customer Service Information ................. 647
Customized Features ................................ 352
D
Daytime Running Lights ........................... 198
Dead Battery ............................................. 608
Defaulting All the Settings ...................... 371
Defrosting the Windshield and
Windows .................................................. 241
Devices that Emit Radio Waves ................ 639
Dimming
Headlights ............................................... 195
Rearview Mirror ....................................... 210
Dipstick (Engine Oil) ................................. 554
Directional Signals (Turn Signal) .............. 194
Door Mirrors ............................................. 211 Doors
......................................................... 167
Auto Door Locking .................................. 180
Auto Door Unlocking .............................. 180
Door and Trunk Open Message ................. 37
Keys ........................................................ 167
Locking/Unlocking the Doors from the Inside ...................................... 177
Locking/Unlocking the Doors
from the Outside ................................... 170
Lockout Prevention System ...................... 176
DOT Tire Quality Grading ........................ 580
Driver Attention Monitor ........................ 154
Driver Information Interface ................... 140
Switching the Display .............................. 140
Warning and Information Messages ........ 109
Driving ...................................................... 403
Automatic Transmission/Continuously Variable
Transmission.......................................... 421
Braking ................................................... 510
Shifting Position ...................... 422, 429, 431
Starting the Engine.................................. 414
Driving Position Memory System ............ 207
Driving Support Information ................... 157
Dust and Pollen Filter ............................... 589
E
Eco Assist® System ...................................... 12
ECON Button ............................................ 436
Econ Mode
Indicator.................................................. 100 Elapsed Time
............................................ 147
Electric Power Steering (EPS) System
Indicator ........................................... 95, 619
Electronic Stability Control (ESC) ............ 443
Emergency ................................................ 628
Emergency Engine Stop ........................... 607
Emergency Trunk Opener ....................... 183
Emissions Testing (Readiness Codes) ...... 641
Engine ....................................................... 638
Coolant .................................................. 561
Jump Starting ......................................... 608
Oil .......................................................... 553
Starting................................................... 414
Engine Coolant ........................................ 561
Adding to the Engine Coolant Reserve Tank ..................................................... 561
Adding to the Radiator ........................... 562
Overheating ............................................ 613
Temperature Gauge ................................ 139
Engine Oil ................................................. 553
Adding ................................................... 556
Checking ................................................ 554
Displaying Oil Life ................................... 544
Low Oil Pressure Warning ....................... 615
Recommended Engine Oil ....................... 553
ENGINE START/STOP Button .................... 191
EPS (Electric Power Steering) System ...... 619
Exhaust Gas Hazard
(Carbon Monoxide) .................................. 78
Exterior Care (Cleaning) .......................... 592
Exterior Mirrors ........................................ 211

651
Index
F
Features.................................................... 245
Filters Dust and Pollen....................................... 589
Oil .......................................................... 557
Flat Tire ..................................................... 599
Floor Mats ................................................ 591
Fluids
Automatic Transmission .......................... 563
Brake ...................................................... 564
Continuously Variable Transmission ........ 563
Engine Coolant ....................................... 561
Windshield Washer ................................. 565
FM/AM Radio ........................................... 278
Fog Lights ................................................. 197
Indicator ................................................... 97
Folding Down the Rear Seat ................... 216
Foot Brake ................................................ 514
Front Airbags (SRS) .................................... 49
Front Seat Heaters ................................... 237
Front Seat Heaters and Seat Ventilation .............................................. 238
Front Seats Adjusting ................................................ 212
Front Sensor Camera ............................... 506
Fuel ..................................................... 25, 533
Economy................................................. 536
Gauge .................................................... 139
Instant Fuel Economy .............................. 145
Low Fuel Indicator..................................... 93
Range ..................................................... 145 Recommendation .................................... 533
Refueling ................................................. 533
Fuel Economy and CO2 Emissions ............ 536
Fuel Fill Door ....................................... 25, 534
Unable to Unlock ..................................... 629
Fuses .......................................................... 622
Inspecting and Changing ......................... 627
Locations ................................. 622, 624, 626
G
Gasoline (Fuel) Economy ................................................. 536
Gauge ..................................................... 139
Information ............................................. 533
Instant Fuel Economy ............................... 145
Low Fuel Indicator ..................................... 93
Refueling ................................................. 533
Gauges ...................................................... 139
Glass (care) ........................................ 590, 593
Glove Box .................................................. 225
H
Halogen Bulbs ........................................... 566
Handling the Unexpected ........................ 597
HandsFreeLink ® (HFL) ............................... 375
Automatic Import of Cellular Phonebook and
Call History ............................................ 385
Automatic Transferring ............................ 384
Displaying Messages ................................ 395 Favorite Contacts .................................... 386
HFL Buttons............................................. 375
HFL Menus .............................................. 378
HFL Status Display ................................... 377
In Case of Emergency ...................... 305, 399
Limitations for Manual Operation ............ 377
Making a Call .......................................... 388
Options During a Call .............................. 391
Phone Setup............................................ 380
Receiving a Call ....................................... 391
Receiving a Text Message ........................ 393
Ring Tone................................................ 384
Selecting a Phone .................................... 394
To Set Up a Text Message Options .......... 392
Hazard Warning Button .............................. 6
HD Radio
TM............................................... 281
Head Restraints ........................................ 219
Headlights ................................................. 195
Aiming .................................................... 566
Auto High-Beam ..................................... 199
Automatic Operation............................... 196
Dimming ......................................... 195, 198
Operating................................................ 195
Head-Up Display ....................................... 159
Heated Steering Wheel ............................ 236
Heated Windshield Button ...................... 204
Heaters (Seat) ........................... 237, 238, 239
HFL (HandsFreeLink ®)............................... 375
High Beam Indicator .................................. 97
Hill Start Assist System ............................. 419
HomeLink ® Universal Transceiver ............ 372

652
Index
Honda App License Agreement............... 332
Honda Sensing ®................................ 26, 455
HondaLink ®............................................. 301
I
Identification Numbers
Engine and Transmission.......................... 638
Vehicle Identification ............................... 638
Illumination Control
Dial.......................................................... 205
Immobilizer System .................................. 184
Indicator .................................................... 98
Indicators ..................................................... 82
Adaptive Cruise Control (ACC) with Low Speed Follow (Amber) ...................................... 103
Adaptive Cruise Control (ACC) with Low Speed Follow (White/Green) ..................... 104, 473
Anti-lock Brake System (ABS) ..................... 93
Auto High-Beam ........................................ 94
Auto Idle Stop (Green) ............................. 102
Auto Idle Stop System (Amber) ................ 102
Automatic Brake Hold........................ 86, 515
Automatic Brake Hold System ............ 86, 515
Charging System ............................... 88, 615
Cruise Mode (White/Green) ..................... 104
ECON Mode .................................... 100, 436
Electric Power Steering (EPS) System ............................................. 95, 619
Fog Light ................................................... 97
High Beam................................................. 97 Immobilizer System ................................... 98
Lane Keeping Assist System (LKAS)
(Amber) ................................................. 104
Lane Keeping Assist System (LKAS) (White/Green)........................................ 104
Lights On .................................................. 97
Low Fuel ................................................... 93
Low Tire Pressure/TPMS ............. 96, 446, 450
M (sequential mode/7-speed manual shift mode) Indicator/Gear Selection
Indicator .................................................. 88
Malfunction Indicator Lamp............... 87, 616
Parking Brake a nd Brake System
(Amber) ........................................... 84, 618
Parking Brake a nd Brake System
(Red) ....................................... 83, 617, 618
Safety Support (Amber) ........................... 105
Safety Support (Green/Gray) .................... 108
Seat Belt Reminder .............................. 39, 92
Security System Alarm ............................... 99
Shift Position ............................................. 88
SPORT Mode ................................... 101, 435
Supplemental Restraint System ............ 60, 93
System Message ........................................ 99
Transmission System............................ 89, 91
Turn Signal and Hazard Warning ............... 97
Vehicle Stability Assist
TM (VSA ®)
OFF ................................................. 95, 444
Vehicle Stability Assist
TM (VSA ®)
System ............................................ 94, 443
Information .............................................. 633 Instant Fuel Economy
.............................. 145
Instrument Panel ........................................ 81
Brightness Control .................................. 205
Interior Lights ........................................... 223
Interior Rearview Mirror ......................... 210
iPhone ....................................................... 331
iPod ................................................... 293, 331
J
Jack (Wheel Nut Wrench) ........................ 602
Jump Starting ........................................... 608
K
Key Number Tag ...................................... 168
Keyless Lockout Prevention ..................... 176
Keys ........................................................... 167
Lockout Prevention ................................. 176
Number Tag............................................ 168
Rear Door Won’t Open ........................... 179
Remote Transmitter ................................ 174
Types and Functions................................ 167
Valet Key ................................................ 183
Kickdown (Automatic Transmission/ Continuously Variable Transmission) .... 421
Knee Airbags .............................................. 54

653
Index
L
Lane Keeping Assist System (LKAS)........ 488
Language (HFL) ........................................ 377
LATCH (Child Seats) ................................... 69
Lights ................................................ 195, 566
Auto High-Beam ..................................... 199
Automatic............................................... 196
Bulb Replacement ................................... 566
Daytime Running Lights .......................... 198
Fog Lights ............................................... 197
High Beam Indicator ................................. 97
Interior.................................................... 223
Light Switches......................................... 195
Lights On Indicator.................................... 97
Turn Signals ............................................ 194
Load Limits ............................................... 407
Locking/Unlocking ................................... 167
Auto Door Locking/Unlocking ................. 180
Childproof Door Locks ............................ 179
From Inside ............................................. 177
From Outside .......................................... 170
Keys........................................................ 167
Using a Key............................................. 175
Lockout Prevention System ..................... 176
Low Battery Charge ................................. 615
Low Fuel Indicator ..................................... 93
Low Oil Pressure Warning ....................... 615
Low Remote Signal Strength .................. 169
Low Speed Braking Control .................... 467
Lower Anchors ........................................... 69
Lubricant Specifications Chart ........ 634, 636Luggage (Maximum Load Limit)
............. 407
Lumbar Support Adjustment Switch ....... 213
M
Maintenance..................................... 149, 539
Battery .................................................... 586
Brake Fluid .............................................. 564
Cleaning .................................................. 590
Climate Control System ........................... 589
Coolant ................................................... 561
Maintenance Minder
TM............................ 543
Oil ........................................................... 554
Precautions .............................................. 540
Radiator .................................................. 562
Remote Transmitter ................................. 588
Replacing Light Bulbs ............................... 566
Safety ...................................................... 541
Service Items ........................................... 547
Tires ........................................................ 577
Transmission Fluid ................................... 563
Under the Hood ...................................... 550
Malfunction Indicator Lamp .............. 87, 616
Map Lights ................................................ 224
Maximum Load Limit ............................... 407
Meters, Gauges ......................................... 139
Mirrors ....................................................... 210
Adjusting ................................................. 210
Door ........................................................ 211
Exterior .................................................... 211
Interior Rearview ..................................... 210 Modifications (and Accessories)
.............. 595
Moonroof ................................................. 190
MP3 ........................................................... 296
MP3/WMA/AAC ........................................ 296
Multi-View Rear Camera .......................... 531
N
Navigation........................................ 148, 163
Numbers (Identification) .......................... 638
O
Odometer................................................. 142
Oil (Engine) ............................................... 553
Adding .................................................... 556
Checking................................................. 554
Displaying Oil Life .................................... 544
Low Oil Pressure Warning........................ 615
Recommended Engine Oil ....................... 553
Viscosity .................................................. 553
Open Source Licenses ............................... 346
Opening
Trunk ...................................................... 630
Opening/Closing Hood....................................................... 552
Moonroof ............................................... 190
Power Windows ...................................... 187
Trunk ...................................................... 181
Outside Temperature ............................... 143
Overheating .............................................. 613