2021 HONDA ACCORD SEDAN check engine

Contents
Child Safety P. 64Exhaust Gas Hazard P. 78Safety Labels P. 79
Opening and Closing the Trunk P. 181 Security System P. 184 Windows P. 187
Operating the Switches Around the Steering Wheel P. 191 Mirrors P. 210
Interior Convenience Items P. 223 Climate Control System P. 240
Audio Error Messages P. 328General Information on the Audio System P. 330
Bluetooth ® HandsFreeLink ® P. 375 Refuel Recommend P. 401
When Driving P. 414 Honda Sensing ® P. 455 Braking P. 510 Parki ng Your Vehicle P. 520
Fuel Economy and CO
2 Emissions P. 536 Turbo Engine Vehicle P. 537
Maintenance Under the Hood P. 550 Replacing Light Bulbs P. 566
Checking and Maintaining Tires P. 577 Battery P. 586 Remote Transmitter Care P. 588
Cleaning P. 590 Accessories and Modifications P. 595
Engine Does Not Start P. 605 If the Battery Is Dead P. 608 Shift Lever Does Not Move P. 611
Fuses P. 622 Emergency Towing P. 628 If You Cannot Unlock the Fuel Fill Door P. 629
Refueling P. 632
Devices that Emit Radio Waves P. 639 Reporting Safety Defects P. 640
Authorized Manuals P. 646 Customer Service Information P. 647
Quick Reference GuideP. 6
Safe DrivingP. 33
Instrument PanelP. 81
ControlsP. 165
FeaturesP. 245
DrivingP. 403
MaintenanceP. 539
Handling the UnexpectedP. 597
InformationP. 633
IndexP. 648

13
Quick Reference Guide
Safe Driving (P 33)
Airbags (P 46)
●Your vehicle is fitted with airbags to help protect you and
your passengers during a moderate-to-severe collision.
Child Safety (P 64)
●All children 12 and younger should be seated in the rear seat.●Smaller children should be properly restra ined in a forward-facing child seat.●Infants must be properly restrained in a rear-facing child seat.
Exhaust Gas Hazard (P 78)
●Your vehicle emits dangerous exhaust gases that contain carbon
monoxide. Do not run the engine in confined spaces where carbon
monoxide gas can accumulate.
Before Driving Checklist (P 37)
●Before driving, check that the front seats, head restraints,
steering wheel, and mirrors have been properly adjusted.
Seat Belts (P 38)
●Fasten your seat belt and sit upright well
back in the seat.
●Check that your passengers are wearing
their seat belts correctly.
Fasten your lap belt as
low as possible.
* Not available on all models

28
Quick Reference Guide
Maintenance (P 539)
Under the Hood (P 550)
●Check engine oil, engine coolant, and windshield washer
fluid. Add when necessary.
●Check brake fluid.●Check the battery condition monthly.
aPull the hood release handle under the corner of the
dashboard.
bLocate the hood latch lever, push it to the side, and then
raise the hood. Once you have raised the hood slightly, you
can release the lever.
cWhen finished, close the hood and make sure it is firmly
locked in place.
Lights (P 566)
●Inspect all lights regularly.
Wiper Blades (P 574)
●Replace blades if they leave streaks
across the windshield or become noisy.
Tires (P 577)
●Inspect tires and wheels regularly.●Check tire pressures regularly.●Install snow tires for winter
driving.

Quick Reference Guide
29
Handling the Unexpected (P 597)
Flat Tire (P 599)
●Park in a safe location and replace the
flat tire with the compact spare tire in the
trunk.
Indicators Come On
(P 615)
●Identify the indicator and consult the
owner’s manual.
Engine Won’t Start
(P 605)
●If the battery is dead, jump start using a
booster battery.
Blown Fuse (P 622)
●Check for a blown fuse if an electrical
device does not operate.
Overheating (P 613)
●Park in a safe location. If you do not see
steam under the hood, open the hood,
and let the engine cool down.
Emergency Towing
(P 628)
●Call a professional towing service if you
need to tow your vehicle.

31
Quick Reference Guide
The rear door cannot be
opened from inside the
vehicle. Why?Check if the childproof lock is in the
lock position. If so, open the rear door
with the outside door handle.
To cancel this function, slide the lever
up to the unlock position.
Why do the doors lock
after I unlocked the doors?If you do not open the doors within 30 seconds, the doors are
relocked automatically for security.
Why does the beeper
sound when I open the
driver’s door?The beeper sounds when:
●The power mode is in ACCESSORY.
●The exterior lights are left on.
●The Auto Idle Stop is in operation.
Why does a beeper sound
when I walk away from the
vehicle after I close the
door?The beeper sounds if you move outside the walk away auto lock
operating range before the door completely closes.
2Locking the doors (Walk away auto lock ®) (P172)
Why does the beeper
sound when I start driving?The beeper sounds when the driver and/or front passenger are
not wearing their seat belts.
1.5 L engine models

82
Instrument Panel
Indicators
ECON Mode Indicator
M
(sequential mode
*/
7-speed manual shift
mode
*) Indicator*/
Gear Selection
Indicator
*
P. 88
Parking Brake and
Brake System
Indicator (Red)
Parking Brake and
Brake System
Indicator (Amber)
U.S.
Canada
U.S.
Canada Automatic Brake
Hold System Indicator
Automatic Brake Hold
IndicatorU.S.
Canada
*1 : When you set the power mode to ON, these indicators come on to indicate that system checks are being performed. They go off a few seconds later or after the engine
has started. If an indicator does not come on or turn off, ther e may be a malfunction in the corresponding system. To resolve the issue, follow the instructions in the
owner's manual.
P. 83*1
Malfunction Indicator
Lamp
Charging System
Indicator
Anti-lock Brake System
(ABS) Indicator
Seat Belt Reminder
Indicator
Low Fuel Indicator
Vehicle Stability AssistTM (VSA®) System Indicator
Vehicle Stability Assist
TM (VSA®) OFF Indicator
Supplemental Restraint
System Indicator
Auto High-Beam
Indicator
Low Tire Pressure/TPMS
Indicator
Electric Power Steering
(EPS) System Indicator
Turn Signal and Hazard
Warning Indicators
Lights On Indicator High Beam Indicator
Fog Light Indicator*
System Message Indicator Auto Idle Stop Indicator
(Green)
*
Lane Keeping Assist
System (LKAS) Indicator
(Amber)
Safety Support Indicator
(Amber)
Safety Support Indicator
(Green/Gray)
P. 84
P.86
P.86
P.87
P.88
*1
*1 *1 *1
P.
96*1
*1
Shift Position IndicatorP. 88
Transmission System
Indi
catorP.89, 91
P.92
P.93
P.93
P.93
P.94
P.94
*1
*1
*1
*1
P. 95
*1P.95
P.97
P.102
*1
P.97
P.97
P.97 Security System Alarm
Indi

cator P.99
P.99
P. 104
P.105
P.108
*1
Auto Idle Stop System
Indicator (Amber)*P.102
*1Lane Keeping Assist
System (LKAS) Indicator
(White/Green)P.104
*1
Immobilizer System
IndicatorP.98
SPORT Mode Indicator*P.101
P.100
Cruise Mode Indicator
(White/Green)P. 104
Adaptive Cruise Control
(
ACC) with Low Speed
Follow Indicator (Amber)P. 103
*1Adaptive Cruise Control
(ACC) with Low Speed
Follow Indicator
(White/Green)P.104
* Not available on all models

87
uuIndicators u
Continued
Instrument Panel
IndicatorNameOn/BlinkingExplanationMessage
Malfunction
Indicator
Lamp
•After you have set the power mode
to ON, the vehicle performs system
checks. However, if the readiness
codes have not been set by that
time, this indicator will blink five
times and then go off.
• Comes on if there is a problem with
the emissions control systems.
• Blinks when a misfire in the
engine’s cylinders is detected.•Readiness codes are part of the on board
diagnostics for the emissions control
systems.
2 Testing of Readiness Codes P. 641
•Comes on while driving - Have your
vehicle checked by a dealer.
• Blinks while driving - Stop in a safe place
where there are no flammable objects. Stop
the engine for 10 minutes or more, and
wait for it to cool down. Then, take your
vehicle to a dealer.
2 If the Malfunction Indicator Lamp
Comes On or Blinks P. 616

98
uuIndicators u
Instrument Panel
*1:Canadian models only: Apply and hold the brake pedal before selecting the ON mode.
*2:Canadian models
IndicatorNameOn/BlinkingExplanationMessage
Immobilizer
System
Indicator
• Blinks if the immobilizer system
cannot recognize the key
information.• Blinks - You cannot start the engine. Set
the power mode to VEHICLE OFF*1, then
select the ON mode again.
• Repeatedly blinks - The system may be
malfunctioning. Have your vehicle checked
by a dealer.
• Do not attempt to alter this system or add
other devices to it. Electrical problems can
occur.
Indicator
*2
*2