Engine HONDA CIVIC HATCHBACK 2021 (in English) Workshop Manual

145Continued
Controls
Locking and Unlocking the Doors
Key Types and Functions
This vehicle comes with the following keys:
Use the keys to start and stop the engine, and to lock and unlock the doors and
hatch. You can also use the remote transmitter to lock and unlock the doors and
hatch.
The built-in key can be used to lock/unlock the
doors when the smart entry 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 the built-in key into the
smart entry remote until it clicks.1 Key Types and Functions
All the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft. 2 Immobilizer System P. 163
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 th e engine using the smart
entry remote with remote engine starter. 2 Remote Engine Start
* P. 456
Models with remote engine starter
■Built-in Key*
Ignition key with
remote transmitterSmart entry remoteSmart entry remote with
remote engine starter
Built-in Key
Release Knob
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 145 ページ ２０２０年８月２８日　金曜日　午後１時
４８分

uuLocking and Unlocking the Doors uLow Smart Entry Remote Signal Strength*
146
Controls
Contains a number that you will need if you
purchase a replacement key.
Low Smart Entry Remo te Signal Strength*
The vehicle transmits radio waves to loca te the smart entry remote when locking/
unlocking the doors and hatch, or to start the engine.
In the following cases, locking/unlocking the doors and hatch, or starting the engine
may be inhibited or operation may be unstable:
• Strong radio waves are being tra nsmitted by nearby equipment.
• You are carrying the smart entry remote together with telecommunications
equipment, laptop computers, ce ll phones, or wireless devices.
• A metallic object is touching or covering the smart entry remote.
■Key Number Tag1Key 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.
1 Low Smart Entry Remote Signal Strength*
Communication between the smart entry remote and
the vehicle consumes the smart entry remote’s
battery.
Battery life is about two years, but this varies
depending on regularity of use.
The battery is consumed whenever the smart entry
remote is receivi ng strong radio wave s. Avoid placing
it near electrical appliances such as televisions and
personal computers.
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 146 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

160
Controls
Hatch
Precautions for Opening/Closing the Hatch
Always make sure individuals and objects are clear of the hatch before opening or
closing it.
• Open the hatch all the way.
u If it is not fully opened, the hatch may begin to close under its own weight.
• Be careful when it is windy. The wind may cause the hatch to close.
Keep the hatch closed while driving to:
u Avoid possible damage.
u Prevent exhaust gas from leaking into the vehicle.
2 Carbon Monoxide Gas P. 79
1Precautions for Opening/Closing the Hatch
Be careful not to hit your head on the hatch or to put
your hands between the ha tch and the cargo area
when closing the hatch.
When you are storing or picking up luggage from the
cargo area while the engine is idling, do not stand in
front of the exhaust pipe. You may get burned.
Do not allow any passenger in the cargo space. They
may get hurt during hard braking, a sudden
acceleration, or a crash.
3WARNING
Anyone caught in the path of a hatch that
is being opened or closed can be seriously
injured.
Make sure that all people are clear of the
hatch before opening or closing it.
21 CIVIC 5D HUM-31TGG6400_01.book 160 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

163
Controls
Security System
Immobilizer System
The immobilizer system prevents a key that has not been pre-registered from
starting the engine. Each key contains electronic transmitters that use electronic
signals to verify the key.
Pay attention to the following when in serting the key into the ignition switch
* or
pressing the ENGINE START/STOP button*:
• Do not allow objects that emit strong radio waves near the ignition switch* or 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 vehicle’s immobilizer system near the ignition
switch
* or the ENGINE START/STOP button*.
• Do not put the key near magnetic items. Electronic devices, 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.
Canadian models only: Apply and hold the brake
pedal before turning the vehicle on the first time after
the battery has been disconnected.
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 163 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

164
uuSecurity System uSecurity System Alarm
Controls
Security System Alarm
The security system alarm activates when the hatch, hood or doors are forcibly
opened. The alarm does not activate if the hatch 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 ignition switch is turned to ON
(w*1.
■When the security sy stem 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 turn
the ignition switch to ON
(w*1. The system, along with the horn and flashing lights,
is deactivated.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Security 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.
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 164 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

Continued165
uuSecurity System uSecurity System Alarm
Controls
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The ignition switch is in LOCK
(0*1, and the key has been removed from the
ignition switch.
• The hood is closed.
• All doors and the hatch are locked from ou tside 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 when the vehicle is unlocked using the remote
transmitter or smart entry system
*, or when the ignition switch is turned to ON (w*1.
The security system alarm indica tor goes off at the same time.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Security System Alarm
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 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 key, remote transmitter or
smart entry system
*.
Continuously variable transmission models
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 165 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

166
uuSecurity System uSecurity System Alarm
Controls
■The panic button on the remote
transmitter
If you press the panic button for
approximately one seco nd, the following will
occur for about 30 seconds:
• The horn sounds.
• Some exterior lights flash.
■Canceling panic mode
• Press any button on the remote transmitter.
• Turn the ignition switch to ON
(w*1.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
■Panic Mode
Panic Button
21 CIVIC 5D HUM-31TGG6400_01.book 166 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

167Continued
Controls
Opening and Closing the Windows
Opening/Closing the Power Windows
The power windows can be opened and closed when the ignition switch is in ON
(w*1, using the switches on the doors.
The driver’s side switches can be used to open and close all the windows. The power
window lock button on the driver’s side must be switched off (indicator off) to open
and close the windows from anywhere other than the driver’s seat.
When the power window lock button is pressed, the indicator comes on and you
can only operate the driver’s window. Turn the power window lock button on if a
child is in the vehicle.
■Manual operation
To open: Push the switch down lightly, and
hold it until the desired position is reached.
To close: Pull the switch up lightly, and hold it
until the desired position is reached.
■Automatic operation
To open: Push the switch down firmly.
To close: Pull the switch up firmly.
The window opens or closes completely. To
stop the window at any time, push or pull the
switch briefly.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
■Opening/Closing the Windows with Auto-Open/Close
Function
1 Opening/Closing the Power Windows
The power windows can be operated for up to 10
minutes after you turn the ignition switch to LOCK
( 0*1.
Opening either front door cancels this function.
Auto Reverse
If a power window senses resistance when closing
automatically, it will stop closing and reverse
direction.
The driver’s window auto re verse function is disabled
when you continuously pull up the switch.
The auto reverse function stops sensing when the
window is almost closed to en sure that it fully closes.
3WARNING
Closing a power window on someone's
hands or fingers can cause serious injury.
Make sure your passengers are away from
the windows before closing them.
Power Window
Lock Button
Indicator
Driver’s
Window
SwitchFront Passenger’s
Window Switch
21 CIVIC 5D HUM-31TGG6400_01.book 167 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

171
Controls
Operating the Switches Around the Steering Wheel
Ignition Switch*
1Ignition Switch*
You cannot take the key out unless the shift lever is
in
( P.
If you open the driver’s door when the key is in LOCK
(0 or ACCESSORY (q, a warning buzzer will sound
to remind you to take the key out.
When the warning buzzer sounds, the following
messages appear on the driver information interface:
•In LOCK ( 0: Remove Key From Ignition.
•In ACCESSORY (q: Return Ignition Switch To
Lock (0) Position .
If the key won’t turn from LOCK
( 0 to ACCESSORY
(q, turn the key while moving the steering wheel left
and right. The steering wh eel will unlock, allowing
the key to turn.
3WARNING
Removing the key from the ignition switch
while driving locks the steering. This can
cause you to lose control of the vehicle.
Remove the key from the ignition switch
only when parked.
Manual transmission models
Continuously variable transmission models
All models
( 0 LOCK: Insert and remove the key in this
position.
( q ACCESSORY: Operate the audio system and
other accessories in this position.
( w ON: This is the position when driving.
(e START: This position is for starting the engine.
The switch returns to ON ( w when you let go of
the key.
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 171 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分

172
uuOperating the Switches Around the Steering Wheel uENGINE START/STOP Button*
Controls
ENGINE START/STOP Button*
*1:U.S. models with manual transmission and Canadian models
*2:U.S. models with continuously variable transmission
■Changing the Power Mode1ENGINE START/STOP Button*
ENGINE START/STOP Button Operating Range
You can start the engine when the smart entry
remote is inside the vehicle.
The engine may also run if the smart entry remote is
close to the door or window, ev en if it is outside the
vehicle.
ON mode:
The ENGINE START/STOP button is on (in red), if the
engine is running.
If the battery of the smar t entry remote is getting
low, the engine may not start when you press the
ENGINE START/STOP button. If the engine does not
start, refer to the following link.
2 If the Smart Entry Remote Battery is Weak
P. 660
Do not leave the power mode in ACCESSORY or ON
when you get out.
Operating RangeContinuously Variable Transmission Manual 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
shift lever in
( P.
Press the button with the
shift lever in
( P. Press the button.
Without pressing
the clutch 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.
Shift to (P*2.
*2
* Not available on all models
21 CIVIC 5D HUM-31TGG6400_01.book 172 ページ ２０２０年８月２８日　金曜日　午後１時 ４８分