See also:

Side Blind Zone Alert (SBZA)
If available, this feature will alert you to vehicles located in the vehicle's side blind zone. When the system detects a vehicle in the side blind zone, the SBZA display will light up in the ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Control Buttons
The buttons used to control the radio are: RADIO/BAND: Press to turn the radio on and choose between AM, FM, and XM™, if equipped. MENU/SELECT: Press and turn to navigate the available menus. ...