The difference between the two keys is that one has a micro-chip inside it and the other doesn't. The chip key needs programming before it can start working.

Smart key fobs can be tricky to replace. If you don't have an extra key, you'll likely need to get a replacement at a dealership and provide proof of ownership, according to Carfax. The dealership will then program a new key to work with your car.

The ZUS Car Key Finder gadget combines with the ZUS Car Key Finder app to help you find your car key easily within a 75-foot range. ZUS Car Key Finder also offers a remote camera shutter and remote voice recorder function to help you capture important memories.

Bluetooth trackers are game-changers for finding lost items like key fobs. Devices such as the Tile Mate and Tile Pro are designed to attach to your key fob and, through your smartphone's key fob finder app, allow you to track its location.