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Issues with holding a battery charge????
So, I just got back from a two week business trip and came back to a dead battery...I know that lights/accessories were not on when I parked in the garage at the airport, so I ruled out driver error (headlights and cabin lamps are on auto). Once I got a jump, I let the car sit and run for about 10 minutes before I left the airport. I noticed that when I revved the engine that the gage cluster and "My Link" screen flashed on and off. I drove back home from the airport (about 20 miles) then turned the car off...I wondered if the car would start...it did not.
I have been hearing a noticeable whine during acceleration, which someone mentioned could be electrical related...could that be related to the alternator? If not, does anyone have any ideas?
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