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 ...

Your key fob contains a hidden mechanical key blade that unlocks your car when the battery dies, plus backup engine start ...

Nowadays, electronic car keys have become the norm, a massive shift from just a few decades ago when anyone with a little know-how could turn over the ignition on a car with some crossed wires and a ...

Car key fobs have quietly become one of the most expensive things you own and some now cost over $1,000 to replace.

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. The days of replacing a car key by having an ...

Like anything powered by a battery, a car key fob can die—often at the worst time. Here’s how to change the battery in your key fob quickly and safely. Physical keys used to be standard, but today’s ...

Look in your pocket, purse, bag, or junk drawer, and chances are you’ll find a key fob. The basic ones lock and unlock your car’s doors. The fanciest do much more. But no matter which kind you have, ...