To open: Unlock the driver’s door with the key. Within 10 seconds of returning the key to the central position, turn the key in the unlock direction and hold it there.
To close: Lock the driver’s door with the key.
Within 10 seconds of returning the key to the central position, turn the key in the lock direction and hold it there.
Release the key to stop the windows and moonroof at the desired position. If you want further adjustment, repeat the same operation.
Honda Civic Owners Manual. Low Smart Entry Remote Signal Strength
The vehicle transmits radio waves to locate the smart entry remote when
locking/
unlocking the doors and fuel fill door, opening the trunk, or starting the
engine.
In the following cases, locking/unlocking the doors, opening the trunk, or
starting
the engine may be inhibited or operation ...