See also:

Cruise Control Light
This light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control on page 9‑32 for more information. ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

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