OnStar Hands-Free Calling requires a Hands-Free Calling enabled vehicle, existing OnStar service contract and prepaid minutes or enrollment in a shared minutes plan. Not available in certain markets. Calls may be made to the U.S. and Canada only.
HANDS-FREE CALLING HOW-TOs
These instructional videos show you how easy it is to use Hands-Free Calling and guide you through the basic functions.
