2021 HONDA ACCORD SEDAN hood open

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Driving
Before Driving
Driving Preparation
Check the following items before you start driving.
• Make sure there are no obstructions on the windows, door mirrors, exterior
lights, or other parts of the vehicle.
u Remove any frost, snow, or ice.
u Remove any snow on the roof, as this can slip down and obstruct your field of
vision while driving. If frozen solid , remove ice once it has softened.
u When removing ice from around the wheels, be sure not to damage the wheel
or wheel components.
• Make sure the hood is securely closed.
u If the hood opens while driving, your front view will be blocked.
• Make sure the tires are in good condition.
u Check air pressure, and check for damage and excessive wear.
2 Checking and Maintaining Tires P. 577
•Make sure there are no people or ob jects behind or around the vehicle.
u There are blind spots from the inside.
■Exterior Checks1Exterior Checks
NOTICE
When doors are frozen s hut, use warm water around
the door edges to melt any ice. Do not try to force
them open, as this can damage the rubber trim
around the doors. When done, wipe dry to avoid
further freezing.
Do not pour warm water into the key cylinder.
You will be unable to insert the key if the water
freezes in the hole.
Heat from the engine and exhaust can ignite
flammable material s left under the hood, causing a
fire. If you’ve parked y our vehicle for an extended
period, inspect and remove any debris that may have
collected, such as dried grass and leaves that have
fallen or have been carried in for use as a nest by a
small animal. Also check under the hood for leftover
flammable materials after you or someone else has
performed maintenance on your vehicle.

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uuWhen Driving uStarting the Engine
Driving
■To stop the engine1Remote Engine Start*
The engine may not start by the remote engine start
if:
•You have disabled a remo te engine start setting
using the audio/information screen.
•The power mode is not in VEHICLE OFF.
•The transmission is in a position other than ( P.
•The hood is open, or any door or the trunk is
unlocked.
•You have already used the remote twice to start
the engine.
•The battery charge is too low.
•Another registered remo te is in the vehicle.
•There is any antenna failure.•The door is unlocked with the built-in key.
•The engine oil pressure is low.
•The engine coolant temper ature is extremely high.•The telematics unit* malfunctions.
•The security system alarm is not set.Press and hold the
button for one second.
Go within the range,
and try again.
The exterior lights flash once if the engine stops successfully.
The exterior lights will not flash when the remote is out of
the smart entry system range.
The engine will not stop.
* Not available on all models

uuWhen Driving uStarting the Engine
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Driving
1Remote Engine Start*
The engine may stop whil e it is running if:•You do not start the vehicl e within 10 minutes of
starting the engine with the remote.
•The engine is stopped by using the remote.•The security system alarm is activated.•The door is unlocked with the built-in key.•The hood is open.•The engine coolant temper ature is extremely high.•The battery is low.•The engine oil pressure is low.•The malfunction indicator la mp comes on if there is
a problem with the emissions control systems.
•You press the ENGINE START/STOP button
without depressing the brake pedal.
•The transmission is in a position other than ( P.
•You press the shift lever release button.
While the engine is running, the vehicle will
automatically preconditi on inside the vehicle.
When it is warm outside:
•The climate control system is activated in auto
mode.
When it is cold outside:
•The defroster is activated at a moderately warm
temperature.
•The rear defogger and door mirror heaters are
activated.
•The seat heaters* and heated steering wheel* are
activated. 2 Heated Steering Wheel
* P. 236
2 Front Seat Heaters* P. 237
2 Front Seat Heaters and Seat Ventilation*
P. 238
Automatic transmission models
Continuously variable transmission models
* Not available on all models

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uuWhen Driving uAuto Idle Stop*
Driving
The vehicle stops with the shift position in (D and the brake pedal depressed.
When you shift into
(P quickly with depressing the brake pedal, the Auto Idle Stop
continues to operate, even if the brake pedal is released. u If you move the shift lever slowly, the engine may automatically restarts.
■Auto Idle Stop does not activate when:
• The Auto Idle Stop OFF button is pressed.
• The driver’s seat belt is not fastened.
• The engine coolant temperature is low or high.
• The engine is started with the hood open.
u Turn off the engine. Close the hood before you restart the engine to activate
Auto Idle Stop.
• The battery charge is low.
• The internal temperature of the battery is 41°F (5°C) or less.
• The transmission fluid temperature is low or high.
• The transmission is in a position other than
(D.
• The vehicle comes to a stop again before the vehicle speed reaches 3 mph (5 km/h)
after the engine starts.
• Stopped on a steep incline.
• is on (indicator on).
• The climate control system is in use, and the temperature is set to Hi or Lo .
• The climate control system is in use, and the outside temperature is below -4°F
(-20°C) or over 104°F (40°C).
■Auto Idle Stop Activates When:1 Auto Idle Stop Activates When:
Do not open the hood while the Auto Idle Stop
function is activated.
If the hood is opened, the engine will not restart
automatically.
In this case, restart the engine with the ENGINE
START/STOP button.
2 Starting the Engine P. 414
When ACC with Low Speed Follow is in operation,
the vehicle stops without de pressing the brake pedal
and Auto Idle Stop may activate.
In such cases, the engine may restart if you change
the shift position other than
( D.
Pressing the ENGINE START/STOP button causes
the engine to no longer restar ts automatically. Follow
the standard procedure to start the engine.
2 Starting the Engine P. 414

539
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 540
Safety When Performing Maintenance..... 541Parts and Fluids Used in Maintenance Service ........................................... 542
Maintenance Minder
TM..................... 543
Maintenance Under the Hood
Maintenance Items Under the Hood ..... 550Opening the Hood ........................... 552
Recommended Engine Oil ................ 553
Oil Check ......................................... 554
Adding Engine Oil ............................ 556
Changing the Engine Oil and Oil Filter ..... 557
Engine Coolant ................................ 561
Transmission Fluid ............................ 563
Brake Fluid ....................................... 564
Refilling Window Wa sher Fluid......... 565
Replacing Light Bulbs ....................... 566
Checking and Maintaining Wiper
Blades .......................................... 574
Checking and Maintaining Tires
Checking Tires ................................. 577
Tire and Loading Information Label ...... 578Tire Labeling .................................... 578DOT Tire Quality Grading (U.S. Vehicles)....... 580Wear Indicators................................ 582 Tire Service Life ................................ 582
Tire and Wheel Replacement ........... 583
Tire Rotation .................................... 584
Winter Tires ..................................... 585
Battery ............................................... 586
Remote Transmitter Care
Replacing the Button Battery ........... 588
Climate Control System Maintenance.... 589Cleaning
Interior Care .................................... 590
Exterior Care.................................... 592
Accessories and Modifications ........ 595

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uuBefore Performing Maintenance uSafety When Performing Maintenance
Maintenance
Safety When Performing Maintenance
Some of the most important safe ty precautions are given here.
However, we cannot warn you of every conc eivable 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 degreas er or parts cleaner, not
gasoline.
• Wear eye protection and protective clothi ng 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 while 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 precautions can cause you
to be seriously hurt or killed.
Always follow the procedures and
precautions in this owner’s manual.
Models with Auto Idle Stop

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uuMaintenance Under the Hood uOpening the Hood
Maintenance
Opening the Hood
1. Park the vehicle on a level surface, and set
the parking brake.
2. Pull the hood release handle under the
driver’s side lower corner of the dashboard.
u The hood will pop up slightly.
3. Push the hood latch lever (located under
the front edge of the hood to the center) to
the side and raise the hood. Once you have
raised the hood slightly, you can release the
lever.
4. Remove the support rod from the clamp
using the grip. Mount the support rod in
the hood.
When closing, remove the support rod, and
stow it in the clamp, then gently lower the
hood. Remove your hand at a height of
approximately 12 inches (30 cm) and let the
hood close.1 Opening the Hood
NOTICE
Do not open the hood when the wiper arms are
raised.
The hood will strike the wipe rs, resulting in possible
damage to the hood and/or the wipers.
Do not press the engine cover forcibly. This may
damage the engine cover and component parts.
When closing the hood, check that the hood is
securely latched.
If the hood latch lever moves stiffly, or if you can
open the hood without lifti ng the lever, the latch
mechanism should be cl eaned and lubricated.
Do not open the hood while the Auto Idle Stop
function is activated.
3WARNING
The hood support rod can become very hot
due to heat fr om the engine.
To ensure against po ssible burns, do not
handle the metal section of the rod:
Use the foam grip instead.
2.0 L engine models
Models with Auto Idle Stop
Hood Release Handle
Pull
Lever
Support Rod
Grip
Clamp

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uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Continued
Maintenance
Changing the Engine Oil and Oil Filter
You must change the engine oil and oil fi lter regularly in order to maintain the
engine’s lubrication. The engine may be damaged if they are not changed regularly.
Change the oil and filter in accordance with the maintenance message on the driver
information interface. 1.Run the engine until it reaches normal
operating temperature, and then turn the
engine off.
2. Open the hood and remove the engine oil
fill cap.
3. Remove the Phillips-head screws and
slotted head screws by turning 90°
counter-clockwise on the undercarriage
and remove the under cover.1Changing the Engine Oil and Oil Filter
NOTICE
You may damage the environment if you do not
dispose of the oil in a suitable way. If you are
changing the oil by yourself , appropriately dispose of
the used oil. Put the oil in a sealed container and take
it to a recycling center. Do not throw the oil away
into a garbage can or onto the ground.
1.5 L engine models
2.0 L engine models
Under Cover
Screw
Under Cover
Screw