Key fob batteries always seem to die at the worst times. Learn a simple way to test a coin cell, plus which results you'll ...

A hybrid has two batteries, and the bigger one matters more than most drivers realize. Here's what can happen when it fails, plus signs to watch for.

Locked out? Discover how to find your car's physical emergency key, bypass the push-to-start ignition, and get back on the ...

You try to turn on your car, and it just won’t start. Maybe the dashboard doesn’t even light up. A likely cause: The 12-volt battery is dead. All cars lose a little battery power when parked. If you ...

You must know this, but your car needs a battery to run properly. A dead battery means a car won’t start, but various electronics in the car won’t work properly either, including overhead dome lights, ...

We may receive a commission on purchases made from links. Like just about every other retailer out there, Walmart dabbles extensively with in-house brands. Selling products from brands owned by ...

Premier Auto Protect expanded Tesla's extended warranty options, adding EV-focused coverage as owners plan for costs ...

We earn commissions from purchases you make using links in our articles. Learn more. Your battery is one of the most critical parts of your car. It keeps things moving and is often a deciding factor ...

As cold snaps settle over Southwest Florida, with temperatures dipping into the 40s and 50s, many drivers are beginning to experience battery failures. This phenomenon is not solely due to the cold ...

Picture this: It's the dead of winter in Chicago, with a cold weather advisory in place, wind chills as low as -30 -- and your car won't start. Hopefully this isn't a familiar scene. But according to ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...