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 may be unstable:
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 receiving strong radio waves. Avoid placing it near electrical appliances such as televisions and personal computers.
Honda Civic Owners Manual. How the Front Airbags Work
While your seat belt restrains your torso, the
front airbag provides supplemental protection
for your head and chest.
The front airbags deflate immediately so that
they won't interfere with the driver's visibility
or the ability to steer or operate other
controls.
The total time for inf ...