An illuminated battery light means there’s something wrong with the car’s charging system, which primarily consists of the battery and alternator, along with some associated components.

Every car has a red “alternator” or car battery symbol in the instrument panel that illuminates when the ignition is switched on. Once the engine starts, the light should go off, indicating a ...

When parking your car for an extended period, Consumer Reports says, it is smart to use a car battery charger to make sure the car can start when you need it. Ad-free. Influence-free.

Every drive begins with a 12-volt battery starting the car, even in electric vehicles. Without that essential spark, the trip can’t even start. AAA reports that battery-related roadside service ...