Add Yahoo as a preferred source to see more of our stories on Google. This is the most exciting car hack we’ve seen in, well, forever. Watch closely as Canadian Ricky Tang walks away from his car, ...

Modern cars have swapped regular keys for key fobs, and most of them use a CR2032 button cell battery. How can you tell if it's weak? How long do they last?

More and more cars are rolling off the lots using key fobs to handle a variety of operations, from simply unlocking the vehicle and remotely starting it up to using a simple button push to have your ...