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:
Entering the Personalization
Menus
1. Press CONFIG to access the
Configuration Settings menu.
2. Turn the Menu knob to highlight
Vehicle Settings.
3. Press SELECT to select the
Vehicle Settings menu.
The following list of menu ...
License Plate Lamp
To replace one of these bulbs:
Passenger Side Shown, Driver Side Similar
1. Push the release tab (A) toward the lamp assembly.
2. Pull the lamp assembly down to remove.
A. Bulb Socket
B. B ...
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 ...