Sync car factory blue tooth
Check out page 2-40 of your owners manual. The buttons you are referring to are for onstar. But it can be linked to a verision wireless plan for hands free calling. But does not say anything about being Bluetooth compatable.
http://justgivemethedamnmanual.com -- here is you access to an online manual if you don't have one. Just select your make, model and year of your car to get your manual. Hope this helps
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