Starting the Vehicle Messages
FAST IDLE ON
If your vehicle has this feature, this message displays when the fast idle feature is on. See Fast Idle System on page 9‑31 for more information.
See also:
Adjusting the Speakers (Balance/Fade) (All Except AM-FM Radio and Radio with
CD)
BAL/FADE (Balance/Fade): To adjust the balance or fade:
1. Press the knob until the speaker control tabs display.
2. Highlight the desired speaker control tab by doing one of the following:
• Pr ...
Radio(s)
Radio with USB, CD, and DVD (MP3)
: Press to turn the system on and off. Turn to increase or decrease the volume.
BAND: Press to choose between FM, AM, or XM™, if equipped.
: Select ra ...
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 vehic ...





