I didn't have nav in my '09 coupe nor in my '10 roadster but the bluetooth feature in both cars worked perfect with my cell phone. Hopefully the software will fix the problem as I doubt it's a hardware problem.
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"America.... still builds rockets!"
Vette: 355 cid, 400 rwhp
'13 CTS-V Coupe: 6.2L LSA, 556HP
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