2023 HONDA ACCORD HYBRID battery

483Continued
Driving
Braking
Brake System
Use the parking brake to keep the vehicle stationary when parked. When the
parking brake is applied, you can manu ally or automatically release it.
■To apply
The electric parking brake can be applied any
time the vehicle has battery, no matter which
position the power mode is in.
Pull the electric parking brake switch up gently
and securely. u The indicator in the switch comes on.
u The parking brake and brake system
indicator (red) comes on.
■To release
The power mode must be in ON in order to
release the electric parking brake.
1. Depress the brake pedal.
2. Press the electric parking brake switch.
u The indicator in the switch goes off.
u The parking brake and brake system
indicator (red) goes off.
Manually releasing the parking brake using
the switch helps your vehicle to start slowly
and smoothly when facing downhill on steep
hills.
■Parking Brake1 Brake System
When you depress the brak e pedal, you may hear a
whirring sound from the engine compartment. This is
because the brake system is in operation, and it is
normal.
1 Parking Brake
You may hear the electric parking brake system
motor operating from the re ar wheel area when you
apply or release the parki ng brake. This is normal.
The brake pedal may slightly move due to the electric
parking brake system opera tion when you apply or
release the parking br ake. This is normal.
You cannot apply or release the parking brake if the
12-volt battery goes dead. 2 If the 12-Volt Battery Is Dead P. 579
If you pull up and hold the electric parking brake
switch while driving, the brakes on all four
wheels are applied by the electric servo brake
system until the vehicle comes to a stop. The
electric parking brake then applies, and the
switch should be released.
Electric Parking Brake Switch
Electric Parking Brake Switch
23 ACCORD 4D US HEV MAP-3130B6000.book 483 ページ ２０２２年１０月１３日　木曜日　午後４時５０分

Continued487
uuBraking uBrake System
Driving
Your vehicle is equipped with disc brakes at all four wheels. The brake assist system
increases the stopping force when you depress the brake pedal hard in an
emergency situation. The an ti-lock brake system (ABS) helps you retain steering
control when brak ing very hard.
2Brake Assist System P. 492
2 Anti-lock Brake System (ABS) P. 491
■Foot Brake1Foot Brake
Check the brakes after driving through deep water,
or if there is a buildup of road surface water. If
necessary, dry the brakes by lightly depressing the
pedal several times.
If you hear a continuous me tallic friction sound when
applying the brakes, this is caused by the brake wear
indicator rubbing on the brake rotor and indicates
that the brake pads need to be replaced. Have the
vehicle checked by a deal er. If you hear only an
occasional squeak or squeal when you initially apply
the brake pedal, this may be normal and caused by
high frequency vibr ation of the brake pads against
the rotating brake disc.
Applying constant pressure to the brakes while going
down a long hill can cause the brakes to heat up,
resulting in a loss of stopping power.
Therefore, when descendi ng a long hill, release the
accelerator pedal and allow regenerative braking to
slow the vehicle down. To adjust the rate of
deceleration, use the decele ration paddle selector.
When the high voltage batt ery has fully recharged,
regenerative braking may not be possible.
2 POWER Gauge P. 111
2 CHARGE/DECEL Gauge P. 111
2High Voltage Battery Charge Level Gauge P. 1122Deceleration Paddle Selector P. 380
Do not rest your foot on the brake pedal while
driving, as it will lightly apply the brakes and cause
them to lose effectiveness over time and reduce pad
life. It will also conf use drivers behind you.
23 ACCORD 4D US HEV MAP-3130B6000.book 487 ページ ２０２２年１０月１３日　木曜日　午後４時５０分

509
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 510
Safety When Performing Maintenance ..511Parts and Fluids Used in Maintenance Service ........................................... 512
Maintenance Minder
TM..................... 513
Maintenance Under the Hood Maintenance Items Under the Hood .. 521
Opening the Hood ........................... 522
Recommended Engine Oil ................ 523
Oil Check ......................................... 524
Adding Engine Oil ............................ 525
Changing the Engine Oil and Oil Filter ...526
Cooling System ................................ 528
Transmission Fluid ............................ 529
Brake Fluid ....................................... 530
Refilling Window Washer Fluid......... 531
Replacing Light Bulbs ....................... 532
Checking and Maintaining Wiper
Blades .......................................... 534
Checking and Maintaining Tires
Checking Tires ................................. 537
Tire and Loading Information Label .. 538
Tire Labeling .................................... 538
DOT Tire Quality Grading (U.S. Vehicles).. 540Wear Indicators................................ 542 Tire Service Life ................................ 542
Tire and Wheel Replacement ........... 543
Tire Rotation .................................... 544
Winter Tires ..................................... 545
12-Volt Battery ................................. 546
Remote Transmitter Care
Replacing the Remote Battery .......... 548
Climate Control System Maintenance.. 549CleaningInterior Care .................................... 550
Exterior Care.................................... 552
Accessories and Modifications ........ 556
23 ACCORD 4D US HEV MAP-3130B6000.book 509 ページ ２０２２年１０月１３日　木曜日　午後４時５０分

511
uuBefore Performing Maintenance uSafety When Performing Maintenance
Continued
Maintenance
Safety When Performing Maintenance
Some of the most important safety pr ecautions are given here. However, we
cannot warn you of every conceivable hazard that can arise in performing
maintenance. Only you can decide whet her you should perform a given task.
• To reduce the possibility of fire or explos ion, keep cigarettes, sparks, and flames
away from the 12-volt battery, all High Volt age system, 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 degreaser or parts cleaner, not
gasoline.
• Wear eye protection and pr otective clothing when working with the 12-volt
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.
■Maintenance 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 prec autions can cause you
to be seriously hurt or killed.
Always follow the procedures and
precautions in this owner’s manual.
23 ACCORD 4D US HEV MAP-3130B6000.book 511 ページ ２０２２年１０月１３日　木曜日　午後４時５０分

uuBefore Performing Maintenance uParts and Fluids Used in Maintenance Service
512
Maintenance
• The vehicle must be in a stationary condition.
u Make sure your vehicle is parked on leve l ground, the parking brake is set, and
the power system is turned off.
• Be aware that hot parts can burn you.
u Make sure to let the power system incl uding the engine and exhaust system
cool thoroughly before touching vehicle parts.
• Be aware that moving parts can injure you.
u Do not activate the power system unle ss instructed, and keep your hands and
limbs away from moving parts. When the power mode is on, the engine can
automatically start, or the radiator fan may start operating without the engine
running.
• Do not touch the high -voltage battery and wiring (orange).
Parts and Fluids Used in Maintenance Service
The use of Honda genuine parts and fluids is recommended when maintaining and
servicing your vehicle. Honda genuine parts are manufactured according to the
same high quality standards used in Honda vehicles.
■Vehicle Safety
1Parts and Fluids Used in Maintenance Service
NOTICE
Do not press the engine cover forcibly. This may
damage the engine cover and component parts.
23 ACCORD 4D US HEV MAP-3130B6000.book 512 ページ ２０２２年１０月１３日　木曜日　午後４時５０分

521
Maintenance
Maintenance Under the Hood
Maintenance Items Under the Hood
Brake Fluid
(Black Cap)
Engine Coolant
Reserve Tank Radiator Cap
Washer Fluid
(Blue Cap) Engine Oil Fill Cap
12-Volt Battery
Engine Oil Dipstick
(Orange)
23 ACCORD 4D US HEV MAP-3130B6000.book 521 ページ ２０２２年１０月１３日　木曜日　午後４時５０分

546
Maintenance
12-Volt Battery
Checking the 12-Volt Battery
The condition of the battery is monitored by a
sensor located on the negative terminal of the
battery. If there is a problem with this sensor,
the driver information in terface will display a
warning message. If this happens, have your
vehicle inspected by a dealer.
Check the battery terminals for corrosion
monthly.
If your vehicle’s battery is disconnected or goes dead:
• The audio system is disabled.
2 Reactivating the audio system P. 223
•The clock resets.
2 Clock P. 142
•The immobilizer system needs to be reset.
2 Immobilizer System Indicator P. 103
112-Volt Battery
WARNING: Battery post, terminals,
and related accessories contain lead
and lead compounds.
Wash your hands after handling.
3WARNING
The battery gives off explosive hydrogen
gas during normal operation.
A spark or flame can cause the battery to
explode with enough force to kill or
seriously hurt you.
When conducting any battery
maintenance, wear prot ective clothing and
a face shield, or have a skilled technician do
it.
Canadian models
23 ACCORD 4D US HEV MAP-3130B6000.book 546 ページ ２０２２年１０月１３日　木曜日　午後４時５０分

547
uu12-Volt Battery uCharging the 12-Volt Battery
Maintenance
Charging the 12-Volt Battery
Disconnect both battery cables to prevent damaging your vehicle’s electrical system.
Always disconnect the negative (–) cable first, and reconnect it last.
If the battery cable is removed while a system update is being performed, the
electrical system can be permanently dama ged. Only remove the battery cable when
a system update is not being performed.1 12-Volt Battery
When you find corrosion, cl ean the battery terminals
by applying a baking powder and water solution.
Clean the terminals with a damp towel. Cloth/towel
dry the battery. Coat the terminals with grease to
help prevent future corrosion.
When replacing the battery, the replacement must be
of the same specifications.
Consult a dealer for more information.
The Vehicle Stability Assist
TM (VSA ®) system, Adaptive
Cruise Control (ACC) with Low Speed Follow, safety
support, low tire pressure/TPMS
*, and parking brake
and brake system (amber) indicators may come on in
amber along with a message in the driver information
interface when you set the power mode to ON after
reconnecting the 12-volt battery.
Drive a short distance at more than 12 mph (20
km/h). Each indicator should go off. If any do not,
have your vehicle ch ecked by a dealer.
* Not available on all models
23 ACCORD 4D US HEV MAP-3130B6000.book 547 ページ ２０２２年１０月１３日　木曜日　午後４時５０分