Electronic car keys, also called key fobs, are useful for controlling your car’s doors, trunk, and alarm and can sometimes even remotely start your car from a distance. Like any other electronic ...

You can also use the programming tool to read key chip data on BMW and Mercedes cars. This programmer allows you to read key chip data to diagnose faults on your key.

While some hardware stores may be able to program a modern car key, it’s something most folks end up at their car dealer for—or a locksmith, if you’ve lost a key altogether.