Justin Pot is a freelance journalist who helps people get more out of technology. How often do you actually use caps lock? Unless you're a PERPETUALLY ANGRY UNCLE, the answer is probably not much.

Gone are when you couldn't start your car's engine without a physical key. Modern vehicles today come with key fobs that are more useful than just starting your car and locking and unlocking its doors ...

We may receive a commission on purchases made from links. For the sake of convenience, the battery in your car's key fob is designed to last a fairly long time, usually up to around four years. The ...