See also:

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...

A/C OFF DUE TO HIGH ENGINE TEMP
This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning compressor automatically turns ...

Dual Automatic Climate Control System
The heating, cooling, and ventilation for the vehicle can be controlled with this system. English Shown, Metric Similar A. Driver and Passenger Heated Seats (If Equipped) B. Driver and Passeng ...