Along with being able to remotely start your car, some kits will serve as alarm systems, allowing you to lock/unlock your doors remotely, pop the trunk, and more.

The button on your car door handle is part of the keyless entry system, allowing quick locking and unlocking once the car recognizes your key fob nearby.

If you have a key fob and have ever been curious about the circle arrow button and its function, here's what it means.

An often overlooked button on your car or truck’s dashboard could be saving you some sweat and money.

Some automakers have even expanded the remote start button's functionality and/or use a different icon — that's why BMW has a diamond button on its key fob, for instance.