If the keyless remote battery or the vehicle battery is dead, use the key instead of the keyless remote.
Fully insert the key and turn it.
Locking/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.
Models with driver information interface
You can customize the door unlock mode setting.
Customized Features
Honda Civic Owners Manual. Continuously variable transmission models
Change the shift position in accordance with your driving needs.
Shift lever positions
Shifting
You cannot turn the ignition switch to LOCK 0
and remove the key unless the shift lever is in P.
The vehicle may move forward very slightly even in
N while the engine is cold. ...