Volume Control
VOL/ 
(Volume/Power): Turn
clockwise or counterclockwise to
increase or decrease the volume.
See also:
Security Light
The security light should come on
briefly as the engine is started. If the
system is working normally, the
indicator light turns off. If it does not
come on, have the vehicle serviced
by y ...
Sound Menu
(Sound): Press this key or press
CONFIG to access the Sound menu to adjust the treble, midrange, bass, fade, balance,
and Digital Signal Processing (DSP). The system automatically stores audio ...
Hands-Free Calling
1. Push . System responds:
“OnStar ready.”.
2. Say “Dial.” System responds:
“Please say the name or number
to call.”.
3. Say the entire number without
pausing, including a “1” and the
area c ...