If you're dealing with a car battery that's on its last legs, or if you just like to be prepared for emergencies, you might think that keeping a spare battery in your trunk is a good idea. But before ...

You've just finished shopping and are ready to load your groceries in your trunk, but it's locked and you've determined that your car battery is dead. Years ago, this wasn't a big problem, as most car ...

Update: Turns out, you don’t have to crawl through the Cadillac Celestiq like some kind of luxury burglar to jump-start the 12V battery, as originally reported. Thanks to the manual, we now know there ...