See also:

Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...

Instrument Panel, Vinyl, and Other Plastic Surfaces
Use a soft microfiber cloth dampened with water to remove dust and loose dirt. For a more thorough cleaning, use a soft microfiber cloth dampened with a mild soap solution. Notice: Soaking or sat ...

Radio Menus (Radio with CD and Touchscreen)
Tone Menu To access the sound menu, press the TONE button. Use the sound menu to adjust the following features: Bass Middle Treble EQ Fade Balance Setting the Tone To adjust the ba ...