Clock screen flashes on and off Why

Asked by Steve Oct 08, 2013 at 09:10 PM about the 2011 GMC Sierra 1500

Question type: Maintenance & Repair

My radio clock screen flashs on and off ?
This week my 2011 sierra 1500 battery went complety dead ? Ideas

4 Answers
8,265

GMCustomerService answered 11 years ago

spike2121, I am sorry to hear you are having this concern with your battery and clock radio. I would like to look into this further. Please email us at socialmedia@gm.com. Erica Tiffany GM Customer Care

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Craig answered 6 years ago

I had same symptom. Also touch screen was buggy. After battery replaced it stopped. Then about 2 weeks later. Clock started flashing again. Low voltage? Batt voltage is 12.1 or 12.2 until charging kicks on to about 13.

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