Rectangular box on passenger side windshield??
#1
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Rectangular box on passenger side windshield??
What is in the rectangular box on the passenger side windshield on my new 2011 C6 coupe? I am guessing it is the GPS and/or XM antenna.
#4
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Location: Phila Suburbs 2023 C8 & 2013 650ix
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Onstar antenna.