What does the battery light mean?
The battery light means the charging system isn't keeping up — usually the alternator.
Most likely causes
- Failing alternator. Most common cause.
- Broken or loose serpentine belt. Also drives the alternator.
- Bad battery cable connection. Corroded or loose.
Simple things to check
- Look at the belt for cracks or slipping
- Check battery terminals
When to stop driving
If the belt broke, the water pump may also stop — watch the temperature and pull over.
Not sure which one it is?
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