We've all been there. Monday morning. You'd rather be in bed than turning the key in the ignition. And then you spot it. The car battery light - that annoying dash alarm that looks like a little lit-up car battery. Sinking feeling. What do you do? Whether your car is old or new, the car battery light indicates that something is wrong with the way your car is charging your all-important battery. Just like your TV remote and your electric toothbrush, your car needs a battery. The most o..