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Very satisfying to know I helped someone! Thank you for your kind words.November 5
Thank you for detailing my exact same problem with the water leak through the OnStar antenna. Called my dealer they told me to plan on a 4 hour fix! So I Googled my issue and found your answer. Printed it out and took it with me. I said this is the fix and it shouldn't be 4 hours. So thanks to you they received instructions on how to fix it at a cost of $20.00. Much appreciated.November 4