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 ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...

One of the worst feelings you can have when getting behind the wheel of your car is turning the key in the ignition, and hearing only, "click, click, click, click." That's right. Your car battery is ...

While car batteries die more quickly in hot weather, keeping on top of things during the winter is still essential. Here's why: Cold temperatures reduce a battery's cranking power. A battery that's ...

Ever since then, we’ve built MotorTrend’s unbiased new-car reviews and comparison tests on the data and insights gleaned from instrumented testing. Our experienced drivers test hundreds of vehicles ...