See also:

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 the v ...

Overview (Radio with CD)
A. VOL/ • Turns the system on or off and adjusts the volume. B. FAV • Opens the favorites list. C. Buttons 1 to 6 • Saves and selects favorite stations. D. INFO • Radio: Shows av ...

Adjusting the EQ (Equalizer)
For vehicles with an equalizer: 1. Press the TONE button. 2. Select EQ. 3. Select the setting. Press the BACK button to go back to the Tone Settings menu. ...