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. Floor Mats
The driver's floor mat hooks over the floor
anchors, which keep the mat from sliding
forward. To remove a mat for cleaning, turn
the anchor knobs to the unlock position.
When reinstalling the mat after cleaning, turn
the knobs to the lock position.
Do not put additional floor mats on top ...