See also:

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the veh ...

End a Call
Push . System responds: “Call ended.” ...

Rear Vision Camera (RVC)
The rear vision camera displays a view of the area behind the vehicle on either the navigation screen or the inside rearview mirror when the vehicle is shifted into R (Reverse). Once shifted ...