Honda Civic 2019 Manual page 145

uuLocking and Unlocking the DoorsuLocking/Unlocking the Doors from the Outside
■
Unlocking the doors
Press the unlock button.
Once:
u Some exterior lights flash twice, and the driver's door and fuel fill door unlock.
Twice:
u The remaining doors unlock.
■
Locking/Unlocking the Doors Using a Key
Lock
Unlock
144
If the lock or unlock button of the remote
does not work, use the key instead.
Fully insert the key and turn it.
1Using the Remote Transmitter
If the distance at which the remote transmitter works
varies, the battery is probably low.
If the LED does not come on when you press a
button, the battery is dead.
2 Replacing the Button Battery P. 596
You can customize the door unlock mode setting.
2 Customized Features P. 124, 337
1Locking/Unlocking the Doors Using a Key
When you lock the driver's door with a key, all the
other doors lock at the same time. When unlocking,
the driver's door unlocks first. Turn the key a second
time within a few seconds to unlock the remaining
doors.
You can customize the door unlock mode setting.
2 Customized Features P. 124, 337