If your key fob is wearing out, find a replacement Ford Escape key fob from these top-rated aftermarket products.

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.

Everyone knows what the lock, unlock, and trunk buttons on a key fob do. Yours might also have a panic button, but how can this button help you in an emergency?

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

Everyone knows what the lock, unlock, and trunk buttons on a key fob do. Yours might also have a panic button, but how can this button help you in an emergency?