New for 2011
The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear.
See also:
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services.
The OnStar system statu ...
Rear Climate Control System (Rear Climate with Rear Seat Audio)
A. Fan Control
B. Air Delivery Mode Control
C. Temperature Control
For vehicles with the rear climate control system, the controls are located on the rear of the center console.
Press the REAR b ...
Symbols
The navigation system may have a feature that allows for viewing parking assist symbols on the navigation screen while using the RVC. The Ultrasonic Rear Park Assist (URPA) system must not be disabled ...