engine HONDA ACCORD SEDAN 2021 (in English) Service Manual

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

184
Controls
Security System
Immobilizer System
This system prevents a key that has not been pre-registered from starting the
engine.
Pay attention to the follo wing when pressing the ENGINE START/STOP button:
• Do not allow objects that emit strong radio waves near the ENGINE START/
STOP button.
• Make sure the key is not covered by or touching a metal object.
• Do not bring a key from another vehi cle’s immobilizer system near the ENGINE
START/STOP button.
Do not put the key near magnetic items. El ectronic device, such as televisions and
audio systems emit strong magnetic fields . Note that even a key chain can become
magnetic.1 Immobilizer System
NOTICE
Leaving the key in the vehicl e can result in theft or
accidental movement of the vehicle.
Always take the key with you whenever you leave the
vehicle unattended.
Do not alter the system or add other devices to it.
Doing so may damage the system and make your
vehicle inoperable.
Apply and hold the brake pedal before turning the
vehicle on the first time after the battery has been
disconnected.
Canadian models

191Continued
Controls
Operating the Switches Around the Steering Wheel
ENGINE START/STOP Button
*1 : Continuously variable transmission models for Canadian models
*2 : U.S. models
■Changing the Power Mode1ENGINE START/STOP Button
ENGINE START/STOP Button Operating Range
You can start the engine wh en the remote is inside
the vehicle.
If the battery of the remote is getting low, the engine
may not start when you push the ENGINE START/
STOP button. If the engine do es not start, refer to
the following link. 2 If the Remote Battery is Weak P. 606
The engine may also run if the remote is close to the
door or window, even if it is outside the vehicle.
ON mode:
The ENGINE START/STOP button is red when the
engine is running.
Operating Range
Continuously Variable Transmission Automatic Transmission
VEHICLE OFF (LOCK)
The button is off.
The steering wheel is locked
*1.
The power to all electrical
components is turned off.
Press the button without the
transmission in
( P.
Put the transmission into
( P
then press the button. Press the button.
Without pressing
the brake pedal
Without pressing
the brake pedal ACCESSORY
The button blinks (in red).
Operate the audio system and
other accessories in this position.
ON
The button blinks (in red).
All electrical components can be
used.
Put the transmission into (P*2.
*2

uuOperating the Switches Around the Steering Wheel uENGINE START/STOP Button
192
Controls
If you leave the vehicle for 30 to 60 minutes with the transmission in (P and the
power mode in ACCESSORY, the vehicle auto matically goes into the mode similar to
VEHICLE OFF (LOCK) to avoid draining the battery.
When in this mode:
The steering wheel does not lock.
You cannot lock or unlock doors with th e remote transmitter or the smart entry
system.
Press the ENGINE START/STOP button twice to switch the mode to VEHICLE OFF
(LOCK).
If you open the driver’s door when the power mode is set to ACCESSORY, a warning
buzzer sounds.
■Automatic Power Off
■Power Mode Reminder
1 Changing the Power Mode
If the power mode does not change from VEHICLE
OFF to ACCESSORY, press the ENGINE START/STOP
button while moving the st eering wheel left and
right. The steering wheel will unlock, allowing the
mode to change.
Do not leave the power mode in ACCESSORY or ON
when you get out.
Continuously variable transmission models
for Canadian models
Continuously variable transmission models
for Canadian models

193
uuOperating the Switches Around the Steering Wheel uENGINE START/STOP Button
Controls
When the power mode is set to any mode
other than OFF and yo u remove the remote
from the vehicle and shut the door, an alarm
will sound. If the alarm continues to sound,
place the remote in another location.
■When the power mode is in
ACCESSORY
The alarm will sound from outside the vehicle.
■When the power mode is in ON
An alarm will sound both inside and outside
the vehicle. In additi on, a warning indicator
will appear on the instrument panel.
■Remote Reminder1 Remote Reminder
When the remote is within the system’s operational
range, and the driver’s door is closed, the warning
function cancels.
If the remote is taken out of the vehicle after the
engine has been started, you can no longer change
the ENGINE START/STOP button mode or restart
the engin e. Always make sur e if t he remote is in your
vehicle when you operate the ENGINE START/STOP
button.
Removing the remote fr om the vehicle through a
window does not activate the warning buzzer.
Do not put the remote on the dashboard or in the
glove box. It may cause the warning buzzer to go off.
Under some other conditions that can prevent the
vehicle from locating the remote, the warning buzzer
may also go off even if the remote is within the
system’s operational range.

195
uuOperating the Switches Around the Steering Wheel uLight Switches
Continued
Controls
Light Switches
Rotating the light switch turns the lights on
and off, regardless of the power mode
setting.
■High beams
Push the lever forward until you hear a click.
■Low beams
When in high beams, pull the lever back to
return to low beams.
■Flashing the high beams
Pull the lever back, and release it.
■Lights off
Turn the lever to OFF either when:
• The transmission is in
(P.
• The parking brake is applied.
To turn the light s on again, turn the lever to
OFF to cancel the lights off mode. Even if you
do not cancel the lights off mode, the lights
come on automatically when:
• The transmission is taken out of
(P and the
parking brake is released.
• The vehicle starts to move.
■Manual Operation1Light Switches
If you leave the power mode in VEHICLE OFF while
the lights are on, a chime sounds when the driver’s
door is opened.
When the lights are on, the lights on indicator in the
instrument pane l will be on.
2 Lights On Indicator P. 97
Do not leave the lights on when the engine is off
because it will cause the battery to discharge.
If you sense that the le vel of the headlights is
abnormal, have the vehicl e inspected by a dealer.
High Beams
Flashing the high beams
Low Beams
Turns on parking, side marker,
tail, and rear license plate lights
Turns on headlights, parking, side
marker, tail, and rear license plate
lights
U.S. models
High Beams
Flashing the high beams
Low Beams
Turns on parking, side marker,
tail, and rear license plate lights
Turns on headlights, parking, side
marker, tail, and rear license plate
lights
Canadian modelsCanadian models

204
uuOperating the Switches Around the Steering Wheel uRear Defogger/Heated Door Mirror* Button
Controls
Rear Defogger/Heated Door Mirror* Button
Press the rear defogger and heated door mirror button to defog the rear window
and mirrors when the power mode is in ON.
The rear defogger and heated door mirror
automatically switch off after 10-30 minutes
depending on the outside temperature.
However, if the outside temperature is 32°F
(0°C) or below, it does not automatically
switch off.
Heated Windshield Button
Press the heated windshield button to deice
the windshield at the wiper park area and
along the driver side edge of the windshield
when the power mode is in ON.
The heated windshield will automatically
switch off after 15 minutes.
1Rear Defogger/Heated Door Mirror* Button
This system consumes a lot of power, so turn it off
when the window has been defogged. Also, do not
use the system for a long ti me while the engine is
idling. This may weaken the battery, making it
difficult to start the engine.
When the power mode is se t to ON and the outside
temperature is below 41°F (5°C), the heated door
mirror may automatically activate for 10 minutes.
Models with heated door mirror
Canadian models
1 Heated Windshield Button
This system consumes a lot of power, so turn it off
when the window has been deiced. Also, do not use
the system for a long peri od when the engine is
idling. This may weaken the battery, making it
difficult to start the engine.
* Not available on all models

207
uuOperating the Switches Around the Steering Wheel uDriving Position Memory System*
Continued
Controls
Driving Position Memory System*
You can store two driver’s seat positions (except for power lumbar) with the driving
position memory system.
When you unlock and open the driver’s door with a remote transmitter or smart
entry system, the seat adjust automatica lly to one of the two preset positions.
When you enter the vehicle, the driver in formation interface briefly shows you which
remote transmitter you used to unlock the vehicle.
• DRIVER 1 transmitter is linked to memory button 1.
• DRIVER 2 transmitter is linked to memory button 2.
The driver’s seat moves rearward depending
on the set seating position once you
•Stop the vehicle.
• Put the transmission into
(P.
• Turn the engine off.
• Then open the driver’s door.
Once the power mode is in the ACCESSORY
position, the driver’s seat moves forward to
the DRIVER 1 or 2 preset position.
1 Driving Position Memory System*
Using the audio/informati on screen you can disable
the automatic seat adjustment function. 2 Customized Features P. 352
The driver’s seat easy exit feature can be turned ON/
OFF. 2 Customized Features P. 352
System Operation
The system will not operate if:
•The vehicle speed is above 2 mph (3 km/h).
•Either memory position button is pressed while the
seat is in motion.
•The seat position is adju sted while in operation.
•The memory 1 or 2 position is set fully to the rear.
DRIVER 1
DRIVER 2
* Not available on all models

223Continued
Controls
Interior Convenience Items
Interior Lights
■ON
The interior lights come on regardless of
whether the doors are open or closed.
■Door activated
The interior lights come on in the following
situations:
• When any doors are opened.
• You unlock the driver’s door.
• When the power mode is set to VEHICLE
OFF.
■OFF
The interior lights remain off regardless of
whether the doors are open or closed.
■Interior Light Switches1 Interior Light Switches
In the door activated position, the interior lights fade
out and go off about 30 se conds after the doors are
closed.
The lights go off after about 30 seconds in the
following situations:
•When you unlock the driver’s door but do not open it.
•When you set the power mode to VEHICLE OFF but
do not open a door.
You can change the interi or lights dimming time.
2 Customized Features P. 352
The interior lights go off im mediately in the following
situations:
•When you lock the driver’s door.
•When you close the driver’s door in ACCESSORY
mode.
•When you set the power mode to ON.
To avoid draining the ba ttery, do not leave the
interior lights on for an extended length of time
when the engine is off.
If you leave any of the doors open in VEHICLE OFF
mode, the interior light s go off after about 15
minutes.
Door Activated Position
OFF
Front*
Door Activated
Position
ON
OFF
Rear
* Not available on all models

231
uuInterior Convenience Items uOther Interior Convenience Items
Continued
Controls
Other Interior Convenience Items
The accessory power sockets can be used when the power mode is in ACCESSORY
or ON.
■Center pocket
Open the center pocket and the cover to use
it.
■Console compartment
Open the console lid and the cover to use it.
■Accessory Power Sockets1 Accessory Power Sockets
NOTICE
Do not insert an automotive type cigarette lighter
element. This can overheat the power socket.
The accessory power socket is designed to supply
power for 12-volt DC accessories that are rated
180 watts (15 amps) or less.
To prevent battery drain, use the power socket only
when the engine is running.
When the accessory power soc ket is not in use, close
the cover to prevent any small foreign objects from
getting into the accessory power socket.