trunk HONDA ACCORD SEDAN 2021 (in English) User Guide

167Continued
Controls
Locking and Unlocking the Doors
Key
This vehicle comes with the following keys:
Use the key to start and stop the engine, and to lock and unlock all the doors, fuel
fill door and to open the trunk.1 Key
All the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft. 2 Immobilizer System P. 184
Follow the advice below to prevent damage to the
keys:
•Do not leave the keys in direct sunlight, or in
locations with high temperature or high humidity.
•Do not drop the keys or set heavy objects on them.•Keep the keys away from liquids, dust and sand.
•Do not take the keys apart except for replacing the
battery.
If the circuits in the keys are damaged, the engine
may not start, and the remote transmitter may not
work.
If the keys do not work properly, have them
inspected by a dealer.
You can remotely start the engine using the remote.
2 Remote Engine Start
* P. 416
Models with remote engine starter
Models without smart entry systemModels with smart entry system
* Not available on all models

uuLocking and Unlocking the Doors uKey
168
Controls
The built-in key can be used to lock/unlock the
doors or open the trunk when the remote
battery becomes weak and the power door
lock/unlock operation is disabled.
To remove the built-in key, slide the release
knob and then pull out the key. To reinstall
the built-in key, push th e built-in key into the
remote until it clicks.
Contains a number that you will need if you
purchase a replacement key.
■Built-in Key
Built-in Key
Release Knob
■Key Number Tag1
Key Number Tag
Keep the key number tag separate from the key in a
safe place outside of your vehicle.
If you wish to purchase an additional key, contact a
dealer.
If you lose your key and you cannot start the engine,
contact a dealer.

169
uuLocking and Unlocking the Doors uLow Remote Signal Strength
Controls
Low Remote Signal Strength
The vehicle transmits radio waves to locate the remote when locking/unlocking* the
doors, and fuel fill door, opening* the trunk, or to start the engine.
In the following cases, locking/unlocking
* the doors, and fuel fill door, opening* the
trunk, or to start the engine may be inhibited or operation may be unstable:
• Strong radio waves are being transmitted by nearby equipment.
• You are carrying the remote together with telecommunications equipment,
laptop computers, cell phones, or wireless devices.
• A metallic object is touching or covering the remote.
1Low Remote Signal Strength
Communication between the remote and the vehicle
consumes the remote’s battery.
Battery life is about two years, but this varies
depending on re gularity of use.
The battery is consumed whenever the remote is
receiving strong radio waves. Avoid placing it near
electrical appliances such as televisions and personal
computers.
* Not available on all models

170
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
Locking/Unlocking the Doors from the Outside
When you carry the remote, you can lock/
unlock the doors, fuel fill door, and open the
trunk.
You can lock/unlock the doors, fuel fill door
within a radius of about 32 inches (80 cm) of
the outside door handle. You can open the
trunk within about 32 inches (80 cm) radius
from the trunk release button.
■Locking the doors
Touch the door lock sensor on the front door.u Some exterior lights flash; the beeper
sounds; all the doors and fuel fill door
lock; and the security system sets.
■Using the Smart Entry System*1Locking/Unlocking the Doors from the Outside
If the interior light switch is in the door activated
position, the interior light comes on when you unlock
the doors.
No doors opened: The li ght fades out after 30
seconds.
Doors relocked: The light goes off immediately.
2 Interior Lights P. 223
Door Lock Sensor
1Using the Smart Entry System*
If you do not open a door within 30 seconds of
unlocking the vehicle with the smart entry system,
the doors and trunk will automatically relock.
You can lock or unlock doors using the smart entry
system only when the power mode is in VEHICLE OFF.
•Do not leave the remote in the vehicle when you
get out. Carry it with you.
•Even if you are not carr ying the remote, you can
lock/unlock the doors whil e someone else with the
remote is within range.
•The door may be unlocked if the door handle is
covered with water in heavy rain or in a car wash if
the remote is within range.
•If you grip a front door ha ndle or touch a door lock
sensor wearing gloves, the door sensor may be
slow to respond or may not respond by unlocking
or locking the doors.
* Not available on all models

Continued171
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
■Unlocking the doors and trunk
Grab the driver’s door handle:u The driver’s door and fuel fill door
unlocks.
u Some exterior lights flash twice and the
beeper sounds twice.
Grab the front passenger’s door handle: u All the doors and fuel fill door unlock.
u Some exterior lights flash twice and the
beeper sounds twice.
Press the trunk release button: u The trunk unlocks and opens.
u A beeper will sound.
2 Using the Trunk Release Button* P. 182
Trunk Release Button
1Using the Smart Entry System*
•After locking the door, you have up to 2 seconds
during which you can pull the door handle to
confirm whether the door is locked. If you need to
unlock the door immediately after locking it, wait
at least 2 seconds befo re gripping the handle,
otherwise the door will not unlock.
•The door might not open if you pull it immediately
after gripping the door handle. Grip the handle
again and confirm that th e door is unlocked before
pulling the handle.
•Even within the 32 inches (80 cm) radius, you may
not be able to lock/unl ock the doors with the
remote if it is above or below the outside handle.
•The remote may not operate if it is too close to the
door and door glass.
The light flash, beep and door unlock mode settings
can be customized using the audio/information
screen.
2 Customized Features P. 352
* Not available on all models

Continued173
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
To temporarily deactivate the function:
1. Set the power mode to OFF.
2. Open the driv er’s door.
3. Using the master door lock switch, operate
the lock as follows:
Lock Unlock Lock Unlock.
u The beeper sounds an d the function is
deactivated.
To restore the function:
• Set the power mode to ON.
• Lock the vehicl e without using the auto lock
function.
• With the remote on yo u, move out of the
auto lock function operation range.
• Open any door.1Locking the doors (Walk away auto lock ®)
The auto lock function does not operate when any of
the following conditions are met.
•The remote is inside the vehicle.
•A door or the hood is not closed.•The power mode is set to any mode other than
OFF.
•The remote is not located within a radius of about
5 feet (1.5 m) from the vehicle when you get out of
the vehicle and close the doors.
Auto lock function operation stop beeper
After the auto lock function has been activated, the
auto lock operation stop beeper sounds for
approximately two seconds in the following cases.
•The remote is put inside the vehicle through a
window.
•You are located too close to the vehicle.
•The remote is put inside the trunk.
If the warning beeper sounds, check that you are
carrying the remote. Then, open/close a door and
confirm the auto lock ac tivation beeper sounds once.

181
Controls
Opening and Closing the Trunk
Precautions for Opening/Closing the Trunk
■Opening the trunk
Open the trunk all the way. u If it is not fully opened, the trunk lid may begin to close under its own weight.
■Closing the trunk
Keep the trunk lid closed while driving to:
u Avoid possible damage.
u Prevent exhaust gas from leaking into the vehicle.
2 Exhaust Gas Hazard P. 78
Using the Trunk Opener
Press and hold the trunk opener on the
driver’s door to unlock and open the trunk.
2If You Cannot Open the Trunk P. 630
Trunk Opener

182
uuOpening and Closing the Trunk uUsing the Trunk Release Button*
Controls
Using the Trunk Release Button*
Push up the release button on the trunk lid
after all the doors are unlocked.
2If You Cannot Open the Trunk P. 630
Even if the trunk is locked, you can open the
trunk if you carry the remote.
u Some exterior lights flash twice and the
beeper sounds.
Using the Remote Transmitter
Press the trunk release button for
approximately one second to unlock and open
the trunk.
1Using the Trunk Release Button*
•If you forget the remote inside, the beeper will
sound and the trunk will not close.
•A person who is not carrying the remote can
unlock the trunk if a person who is carrying it is
within range.
•If the beeper sounds after you close the trunk,
move the remote away from the trunk and close
again.
•The remote may not operate if it is too close to the
trunk.
Trunk Release Button
1Using the Remote Transmitter
If the driver’s door is locked, the trunk will
automatically lock when you close it.
Otherwise, you will have to lock it manually.
Trunk Release Button
* Not available on all models

183
uuOpening and Closing the Trunk uTrunk Main Switch*
Controls
Trunk Main Switch*
The trunk main switch disables the trunk
release button on the remote transmitter and
the trunk release button on the trunk lid and
trunk opener on the driver’s door to protect
luggage in the trunk.
1. Make sure the rear seat-back is not folded
down.
2. Turn off the trunk main switch in the glove
box.
3. Lock the glove box.
Emergency Trunk Opener
The trunk release lever allows you to open the
trunk from inside for your safety.
Slide the release lever in the direction of the
arrow.
1Trunk Main Switch*
If you need to give the ke y to someone else, remove
the built-in key from the remote by sliding the release
knob, and give the remote as a valet key.
ON
OFF
Main Switch
1 Emergency Trunk Opener
Parents should deci de if their children should be
shown how to use this feature.
Lever
* Not available on all models

185
uuSecurity System uSecurity System Alarm
Continued
Controls
Security System Alarm
The security system alarm activates when the trunk, hood or doors are forcibly
opened. The alarm does not activate if the trunk or doors are opened with the key,
remote transmitter, or smart entry system
*.
However, the alarm activates if a door is opened with the key and then the
transmission is taken out of
(P (continuously variable transmission models) or the
hood is opened before the power mode is in ON.
■When the security system alarm activates
The horn sounds intermittently, and some exterior lights flash.
■To deactivate the security system alarm
Unlock the vehicle using the key, remo te transmitter or smart entry system*, or set
the power mode to ON. The system, along with the horn and flashing lights, is
deactivated.
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The power mode is set to VEHICLE OFF (LOCK).
• The hood is closed.
• All doors and trunk are locked from outsid e with the key, remote transmitter, or
smart entry system
*.
■When the security system alarm sets
The security system alarm in dicator in the instrument panel blinks and the blinking
interval changes after about 15 seconds.
■To cancel the security system alarm
The security system alarm is canceled wh en the vehicle is unlocked using the key,
remote transmitter or smart entry system
*, or when the power mode is set to ON. The
security system alarm indicato r goes off at the same time.
1Security System Alarm
Do not alter the system or add other devices to it.
Doing so may damage the system and make your
vehicle inoperable.
The security system alarm continues for a maximum
of two minutes until the security system alarm
deactivates.
Do not set the security system alarm when someone
is in the vehicle or a window is open. The system can
accidentally activate when:
•Unlocking the door with the lock tab.
•Opening the trunk with the trunk opener or the
emergency trunk opener.
•Opening the hood with the hood release.
•Taking the transmission out of ( P.
If the battery goes dead after you have set the
security system alarm, the security alarm may go off
once the battery is re charged or replaced.
If this occurs, deactivate the security system alarm by
unlocking a door using the ke y, remote transmitter,
or smart entry system
*.
Continuously variable transmission models
* Not available on all models