HONDA ACCORD SEDAN 2021 Owner's Manual (in English)

559
uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Continued
Maintenance
5. Remove the slotted head screws by
turning 90° counter-c lockwise on the
undercarriage and remove the under
cover.1.5 L engine models
2.0 L engine models
Under Cover
Screw
Under Cover
Screw

uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
560
Maintenance
6. Remove the oil filter and dispose of the
remaining oil.
7. Check that the filter ga sket is not stuck to
the engine contact surface.
u If it is stuck, you must detach it.
8. 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.
9. 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)
10. Pour the recommended engine oil into the
engine.
u Engine oil change capacity (including
filter):
3.7 US qt (3.5 L)
5.0 US qt (4.8 L)
11. Reinstall the engine oi l fill cap securely and
start the engine.
12. Run the engine for a few minutes, and
then check that there is no leak from the
drain bolt or oil filter.
13. 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. If the
low oil pressure warning appears, turn off the
engine, and check your work.1.5 L engine models
2.0 L engine models
Oil Filter
Oil Filter1.5 L engine models
2.0 L engine models

561
uuMaintenance Under the Hood uEngine Coolant
Continued
Maintenance
Engine Coolant
This coolant is premixed with 50% an tifreeze and 50% water. Do not add any
straight antifreeze or water.
We recommend you check the engine coolant level every time you refuel. Check the
reserve tank first. If it is completely empty, also check the coolant level in the
radiator. Add the engine coolant accordingly.
1. Make sure the engine and radiator are cool.
2. Check the amount of coolant in the reserve
tank.
u If the coolant level is below the MIN
mark, add the specified coolant until it
reaches the MAX mark.
3. Inspect the cooling system for leaks.
Specified coolant: Ho nda Long Life Antifreeze/Coolant Type 2
■Reserve Tank
1Engine Coolant
NOTICE
Genuine Honda engine coolan t is a 50/50 mixture of
antifreeze and water that can withstand freezing at
temperatures as low as a bout -31°F (-35°C). If your
vehicle is consistently subjected to temperatures
below this, the concentration of antifreeze in the
coolant should be increased. Consult a dealer for
details.
If Honda antifreeze /coolant is not available, you may
use another major brand of non-silicate coolant as a
temporary replacement. Check that it is a high quality
coolant recommended for aluminum engines.
Continued use of any non-Honda coolant can result
in corrosion, causing the cooling system to
malfunction or fail. Have the cooling system flushed
and refilled with Honda antifreeze/coolant as soon as
possible.
Do not add rust inhibitors or other additives to your
vehicle’s cooling system. Th ey may not be compatible
with the coolant or with the engine components.
3WARNING
Removing the radiator cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.
Reserve
Tank
MAXMIN

uuMaintenance Under the Hood uEngine Coolant
562
Maintenance
1. Make sure the engine and radiator are
cool.
2. Turn the radiator cap 1/8 turn counter-
clockwise and relieve any pressure in the
cooling system.
3. Push down and turn the radiator cap
counter-clockwise to remove it.
4. The coolant level should be up to the base
of the filler neck. Add coolant if it is low.
5. Put the radiator cap back on, and tighten it
fully.
■Radiator1Radiator
NOTICE
Pour the fluid slowly and ca refully so you do not spill
any. Clean up any spills immediately; they can
damage components in the engine compartment.Radiator Cap

563
uuMaintenance Under the Hood uTransmission Fluid
Maintenance
Transmission Fluid
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change the continuously variable transmission fluid
yourself.
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change th e automatic transmission fluid yourself.
■Continuously Variable Transmission (CVT) Fluid*
Specified fluid: Honda HCF-2
■Automatic Transmission Fluid*
Specified fluid: Honda Automatic Transmission Fluid ATF-Type 2.0
1Continuously Variable Transmission (CVT) Fluid*
NOTICE
Do not mix Honda HCF-2 with other
transmission fluids.
Using a transmission fluid other than Honda HCF-2
may adversely affect the operation and durability of
your vehicle’s transmission, and damage the
transmission.
Any damage caused by using a transmission fluid that
is not equivalent to Hond a HCF-2 is not covered by
Honda’s new vehicle limited warranty.
1Automatic Transmission Fluid*
NOTICE
Do not mix Honda ATF-Type 2.0 with other
transmission fluids.
Using a transmission fl uid other than Honda
ATF-Type 2.0 may adversel y affect the operation and
durability of your vehicle’ s transmission, and damage
the transmission.
Any damage caused by using a transmission fluid that
is not equivalent to Honda ATF-Type 2.0 is not
covered by Honda’s new ve hicle limited warranty.
* Not available on all models

564
uuMaintenance Under the Hood uBrake Fluid
Maintenance
Brake Fluid
The fluid level should be between the MIN
and MAX marks on the side of the reserve
tank.
Specified fluid: Honda Heavy Duty Brake Fluid DOT 3
■Checking the Brake Fluid
1Brake Fluid
NOTICE
Brake fluid marked DOT 5 is not compatible with your
vehicle’s braking system and can cause extensive
damage.
If the specified br ake fluid is not av ailable, you should
use only DOT 3 or DOT 4 fluid from a sealed
container as a temporary replacement.
Using any non-Honda brake fluid can cause corrosion
and decrease the longevity of the system. Have the
brake system flushed and re filled with Honda Heavy
Duty Brake Fluid DOT 3 as soon as possible.
If the brake fluid level is at or below the MIN mark,
have a dealer inspect the vehicle for leaks or worn
brake pads as soon as possible.
Reserve Tank
MIN
MAX

565
uuMaintenance Under the Hood uRefilling Window Washer Fluid
Maintenance
Refilling Window Washer Fluid
Check the amount of window washer fluid.
If the level is low, fill the washer reservoir.
If the washer fluid is low, a message appears
on the driver information interface.
Pour the washer fluid carefully. Do not overflow the reservoir.1Refilling Window Washer Fluid
NOTICE
Do not use engine antifreeze or a vinegar/water
solution in the windshield washer reservoir.
Antifreeze can damage y our vehicle’s paint. A
vinegar/water solution ca n damage the windshield
washer pump.
Use only commercially avai lable windshield washer
fluid.
Avoid prolonged use of hard water to prevent lime
scale build up.Canadian models
All models

566
Maintenance
Replacing Light Bulbs
Headlight Bulbs
When replacing, use the following bulbs.
High beam headlight: LED*
High beam headlight: 60 W (HB3 for halogen bulb type)*
Low beam headlight: LED
1Headlight Bulbs
NOTICE
Halogen bulbs get very hot when lit.
Oil, perspiration, or a scratch on the glass can cause
the bulb to overhe at and shatter.
The headlight aim is set by the factory, and does not
need to be adjusted. Howeve r, if you regularly carry
heavy items in the tr unk or tow a trailer
*, have the
aiming readjusted at a de aler or by a qualified
technician.
When replacing a halogen bu lb, handle it by its base,
and protect the glass from c ontact with your skin or
hard objects. If you touch the glass, clean it with
denatured alcohol and a clean cloth.
Models with halogen high beam headlights
All models
Models with halogen high beam headlights
* Not available on all models

567
uuReplacing Light Bulbs uHeadlight Bulbs
Maintenance
1. Remove the hose and the holding clip using
a flat-tip screwdriver, then remove the
upper part of the window washer reserve
tank.
u Check the amount of window washer
fluid is below the upper part of the
window washer reserve tank and remove
it.
2. Push the tab to remove the coupler.
3. Rotate the old bulb counter-clockwise to
remove.
4. Insert a new bulb into the headlight
assembly and turn it clockwise.
5. Insert the coupler into the connector of the
bulb.
Low beam headlights are LED type. Have an authorized Honda dealer inspect and
replace the light assembly.
■High Beam Headlights1 High Beam Headlights
High beam headlights ar e LED type. Have an
authorized Honda d ealer inspect and replace the light
assembly.
When removing the clip, insert a flat-tip screwdriver,
then lift and remove the clip.
Insert the clip with the pin raised, and push until it is
flat.
Models with LED high beam headlights
Push until the pin
is flat.
Models with halogen high beam headlights
Holding clip
Hose
Passenger side
TabCoupler
Bulb
Both sides
■Low Beam Headlights

568
uuReplacing Light Bulbs uFog Lights*
Maintenance
Fog Lights*
Fog lights are LED type. Have an authoriz ed Honda dealer inspect and replace the
light assembly.
Parking/Daytime Running Lights
Parking/daytime running lights are LED type . Have an authorized Honda dealer
inspect and replace the light assembly.
Front Turn Signal Lights
Front turn signal lights are LED type. Have an authorized Honda dealer inspect and
replace the light assembly.
Front Side Marker Lights
Front side marker lights are LED type. Have an authorized Honda dealer inspect and
replace the light assembly.
Side Turn Signal/Emergency Indicator Lights*
Door mirror side turn lights are LED type. Have an authorized Honda dealer inspect
and replace the light assembly.
* Not available on all models