Check the alternator. Take a look at your alternator for any loose or missing electrical connections. Look at the serpentine belt. Look for major cracks or breakages in the belt — or complete loss of the belt. Check your fuses. Test the battery. Once you have worked through these steps, test your battery by starting your engine.
If the light turns off, you have likely fixed the issue. If the light remains on, you probably have an alternator issue. Have questions about your battery or any warning light? So put on some protective gloves, consult your owner's manual, and then carefully follow the steps below to troubleshoot the battery yourself. You've checked for and cleaned off any corrosion, and you've tightened up any loose battery cables.
But your battery light is still on?! The culprit could be a mechanical issue, like a problem with the alternator or voltage regulator. Or, it could be something systematic, like faulty wiring. Head to Firestone Complete Auto Care for a fast and free battery check. Find your nearest Firestone Complete Auto Care today and recharge your peace of mind.
Blog Categories Blog Home. What Does the Battery Light Mean? An illuminated battery light could be due to a number of issues, including: A loose or corroded battery cable A problem with the alternator or voltage regulator Damaged cells or plates inside the battery Faulty wiring in the car's electric charging system A dashboard battery light basically means there's a battery charging problem.
Check for corrosion. In some vehicles, fumes from regular operation can cause corrosion to accumulate on top of the battery terminals, especially during summer months or in regions with year-round warm weather.
To check for corrosion, remove any covers from the terminals on top of your battery. If you see a white or greenish substance on the top of the battery or around the terminals, you've got corrosion! While battery corrosion is common, it can interfere with the conduction of electricity from the battery to the rest of your car. Don't touch battery corrosion with your bare hands, as it could cause skin irritation. We would always recommend that you have your battery checked by a professional technician if you suspect that it may be damaged in any way.
Find out more about what dashboard warning lights mean by reading Dashboard Warning Lights Explained. Advice Centre. Sam Bisby. Share On Share. What should you do if the battery warning light comes on? Call us for advice Continue to drive If you are close to home, or to a garage that will be able to check your car, you should be able to keep driving for a short while without losing power.
What causes the battery warning light to come on? If you see your battery light on, it has probably been caused by one of these things: 1. Broken Alternator Belt This is perhaps the most serious problem, as the belt not only drives the alternator, but the engine coolant pump and power steering system.
Damaged Battery or Cables Probably the most common cause of the battery warning light is a failure of the battery itself. Book A Service. Upcoming Cars. Best of Stoneacre. Other articles from the Stoneacre Blog. Lisa Simm 16 Jan
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