3.5mm Jack
Connect a 3.5mm (1/8 in) cable to the auxiliary input jack to use a portable audio player.
Playback of an audio device that is connected to the 3.5mm jack can only be controlled using the controls on the device.
Adjusting the Volume
Turn the 
/VOL knob to adjust the
volume of the infotainment system after the volume level has been set on the portable
audio device.
See also:
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone. Say
“Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Sa ...
RDS Messages
INFO (Information): If the current station has a
message, the information symbol displays.
Press this button to see the message. The
message can display the artist, song title, call in
phone num ...
Ignition Positions
Use the key to turn the ignition switch to four
different positions.
A (LOCK): This position locks the ignition and
transmission. It is a theft-deterrent feature. You will
only be able to remo ...