See also:

Using Softkeys to Control a USB Storage Device or iPod
The five softkeys below the radio display are used to control the functions listed below. To use the softkeys: 1. Press the first or fifth softkey below the radio display to display the functions li ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the vehic ...

Noise
One thing those shoppers might find objectionable is the noise — specifically, wind noise and outside noise intrusion. Wind noise, an issue on highways, wasn't extremely loud, but there was a no ...