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.
Key Number TagHonda Civic Owners Manual. In Case of Emergency
Automatic collision notification
If your vehicle's airbags deploy or if the unit
detects that the vehicle is severely impacted,
your vehicle automatically will attempt to
connect to the HondaLink operator. If
connected, information about your vehicle, its
location, and its condition can be ...