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:
Using the “Dial” or “Call” Command
1. Press and hold for two seconds.
2. Say “Dial” or “Call.” 3. Say the entire number without pausing, or say the name tag.
Once connected, the person called will be heard through the audio ...
XM Categories
XM stations are organized in categories.
To customize which XM categories are used and displayed in the system, see “Adding
or Removing XM Categories” following. ...
Comprehensive safety system
The GMC Acadia has a comprehensive safety system that is designed to protect
passengers before, during and after a crash. Its strong structure and four-wheel
independent suspension system enhance ...