OnStar
Connections
In this manual: OnStar
~1min read
OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage maps.
Hands-Free Calling
1. Push
. System responds:
Test yourself
A quick GMC Sierra quiz: every answer comes with an explanation and a link to the manual page.
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