OnStar Services

See also:

TIRE LOW ADD AIR TO TIRE
On vehicles with the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle’s tires is low. This message also displays LEFT FRONT, RIGHT ...

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. ...

High-Beam On Light
This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer   for more information. ...