See also:

OnStar®
For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling servi ...

Rear Climate Control System
The lower buttons on the rear seat audio are used to adjust the rear seat climate controls. The temperature of the air coming through the rear outlets is determined by the front passenger’s temp ...

Pairing
A Bluetooth-enabled cell phone must be paired to the Bluetooth system and then connected to the vehicle before it can be used. See your cell phone manufacturer's user guide for Bluetooth fun ...