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If I leave my door open for 5 minutes or do much of anything leaving a light on, my car says low battery. I took the battery (Interstate) to a dealer but they ran a test and the battery is good and charged.
I reinstalled it back into my C5 and put it on a charger. It happened again this morning after I left the door open for 10 minutes. The same chime and low battery came up on the display. I put the car on the charger and it states that I have 13.8 volts. I put it on the charger to charge the battery and it stops charging after 10 minutes and tells me the battery is fully charged at 14.1 volts. The car starts right up.
What in the world could be making the low battery come up. When it DOES come up, the car just clicks even though I have at least 13.5 volts.
Suggestions?????
Battery is 2 years but comes up electronically, Perfect!!!
I tried to get them to give me a new battery but they said it was in great shape. I figured I had a dead cell.