Battery Light Puzzle Car Running Smooth, Light A-Glow

The car starts fine but the dash shows a "service battery charging system" message and the battery symbol/light is on. 4 Things to Do When Your Car Battery Light Comes On · Check the purchase date of the battery. If it's older than 3 to 5 years, you may need a new ... Thats because when the car is off, the alternator isn't charging. It's supposed to do that when there is no current running from the alternator ... If it stays on or comes on while driving, it indicates that the charging system is not functioning properly and the battery is not receiving a charge. If your battery light is on but your car still runs, you may have loose or corroded battery cables, or there are issues with the alternator or ... If the charging system light remains on, it means that the vehicle is experiencing a problem with the charging system. I worked at an auto parts store a couple decades ago and at least back then, the test equipment didn't always tell the truth. Not much of a ... That failure mode could be caused by a number of faults, One could be simply a slipping belt condition, which is easily fixed. Take a close look ... The car runs just fine and the battery stays charged, but the light won't go away. Is there a process to resetting it other than fixing the issue? A battery warning light that stays on while driving indicates that the battery is no longer being charged by the alternator and is running on its own charge.