Controls -> Security System for Your Honda Civic 4 Door 2017-2023

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.  
1Immobilizer System  
NOTICE  
Leaving the key in the vehicle can result in theft or  
accidental movement of the vehicle. Always take the  
key with you whenever you leave the vehicle  
unattended.  
Pay attention to the following when inserting the key into the ignition switch or  
selecting the ENGINE START/STOP button*:  
Do not allow objects that emit strong radio waves near the ignition switch or the  
ENGINE START/STOP button*.  
If the system repeatedly does not recognized the  
coding of your key, contact your dealer. If you have  
lost your key and cannot start your engine, contact a  
dealer.  
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.  
Do not alter the system or add other devices to it.  
Doing so may damage the system and make your  
vehicle inoperable.  
Security System Alarm  
Israeli, Turkish, and except Middle Eastern models  
1Security System Alarm  
The security system alarm activates when the boot, bonnet, or doors are opened  
without the remote transmitter, or keyless access system.  
Do not alter the system or add other devices to it.  
Doing so may damage the system and make your  
vehicle inoperable.  
The security alarm will continue for approximately 5  
minutes before the security system deactivates.  
The system will go through ten 30-second cycles,  
during which the beeper will sound and an  
emergency indicator will flash.  
Middle Eastern except Israeli and Turkish models  
The security system alarm activates when the boot, bonnet, or doors are opened  
without the key, remote transmitter, or keyless access system.  
When the security system alarm activates  
Depending on circumstances, the security system  
may continue operating for more than 5 minutes.  
The horn sounds intermittently, and the some exterior lights flash.  
* Not available on all models  
Continued  
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To deactivate the security system alarm  
1Security System Alarm  
Israeli, Turkish, and except Middle Eastern models  
Do not set the security system alarm when someone  
is in the vehicle or a window is open. The system can  
accidentally activate when:  
Unlock the vehicle using the remote transmitter, keyless access system*, or turning  
the ignition switch to ON (w*1. The system, along with the horn and flashing lights,  
is deactivated.  
Unlocking the door with the lock tab.  
Opening the boot with the boot release button.  
Middle Eastern except Israeli and Turkish models  
Unlock the vehicle using the key, remote transmitter, keyless access system*, or  
turning the ignition switch to ON (w*1. The system, along with the horn and flashing  
lights, is deactivated.  
Israeli, Turkish, and except Middle Eastern models  
If the 12-volt battery goes dead after you have set the  
security system alarm, the security alarm may go off  
once the 12-volt battery is recharged or replaced.  
If this occurs, deactivate the security system alarm by  
unlocking a door using the remote transmitter or  
keyless access system*.  
Setting the security system alarm  
Models without keyless access system  
The security system alarm automatically sets when the following conditions have  
been met:  
Middle Eastern except Israeli and Turkish models  
If the 12-volt battery goes dead after you have set the  
security system alarm, the security alarm may go off  
once the 12-volt battery is recharged or replaced.  
If this occurs, deactivate the security system alarm by  
unlocking a door using the key, remote transmitter or  
keyless access system*.  
The ignition switch is in LOCK (0, and the key has been removed from the  
ignition switch.  
The bonnet is closed.  
All doors are locked with the key or remote transmitter.  
Models with keyless access system  
The security system alarm automatically sets when the following conditions have  
been met:  
Do not attempt to alter this system or add another  
device to it.  
The power mode is set to VEHICLE OFF (LOCK).  
The bonnet is closed.  
All doors are locked from outside with the key, remote transmitter, or keyless  
access system.  
Israeli, Turkish, and except Middle Eastern models  
Do not unlock the door using the key. The security  
system alarm goes off.  
*1: Models with the keyless access system have an ENGINE START/STOP button  
instead of an ignition switch.  
* Not available on all models  
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uuSecurity SystemuSecurity System Alarm  
When the security system alarm sets  
The security system alarm indicator in the instrument panel blinks. When the  
blinking interval changes after about 15 seconds, the security system alarm is set.  
To cancel the security system alarm  
Models without keyless access system  
The security system alarm is cancelled when the vehicle is unlocked using the key*1  
and remote transmitter, or the ignition switch is turned to ON. The security system  
alarm indicator goes off at the same time.  
Models with keyless access system  
The security system alarm is cancelled when the vehicle is unlocked using the key*1,  
remote transmitter, or keyless access system, or the power mode is set to ON. The  
security system alarm indicator goes off at the same time.  
*1: Middle Eastern except Israeli and Turkish models  
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