See also:

Operating UHP Using Voice Control
The voice control of the UHP system enables you to operate several functions of the mobile phone using your voice. The UHP system uses voice commands to control the system and dial phone n ...

Manual Operation
(Off): Turns the climate control system off. Outside air still enters the vehicle and is directed to the floor. The airflow direction and temperature can be adjusted. If the temperature is adju ...

Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles. ORDER TOLL FREE: 1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time For Credit Car ...