OnStar Services
See also:
Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h)
or miles per hour (mph). ...
Express-Down Window
This feature is on the front windows. Press the switch to
the second position to activate the express-down feature.
To stop the window as it is lowering, press down briefly
on the switch again. ...
Radio(s)
: Press to turn the system on and
off. Turn to increase or decrease the volume.
RADIO/BAND or SRCE: Press to choose between FM, AM, or XM™, if equipped.
TUNE/MENU: Turn to select radio stations. ...
