See also:

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...

Power Lumbar
On vehicles equipped with either a two-way or four-way lumbar, the control is located on the outboard side of the seats. For a detailed operation description see Power Lumbar . ...

Bluetooth Controls
Use the buttons located on the infotainment system and the steering wheel to operate the Bluetooth system. Steering Wheel Controls (Push To Talk) : Press to answer incoming calls, confirm ...