Like anything else relying on a battery, you car key fob can die—often at the worst time. Thankfully, these batteries are easy to replace.

How to replace car key battery Most key fobs have a little slot you can use to pop them open with a small flatheaded screwdriver, a butter knife or another key.

The key fob is your lifeline to your car, letting you unlock the doors and set off the alarm, at a minimum, but how can you ...

Keyless entry systems have been a standard feature on many vehicles for the past two decades. For the most part, not a lot has changed with the wireless remotes, known as fobs. They use a microchip ...

If the battery in your car key fob has died, here's how to replace it – including the type of battery you'll need and the cost involved.

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, ...

If you think you can go to any hardware store to have a new car key cut for a few bucks, you’re still living in the 20th century. Nowadays, when you lose a key or need an extra, you’ll probably have ...