Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
Driving On Grades
Reduce speed and shift to a
lower gear before starting down a
long or steep downgrade. If the
transmission is not shifted down,
the brakes might have to be used
so much that they would get h ...
Lamp Messages
AFL (ADAPTIVE FORWARD LIGHTING) LAMPS NEED SERVICE
This message displays when the Adaptive Forward Lighting (AFL) system is
disabled and needs service. See your dealer.
See Adaptive Forward Lig ...
Adjusting the Speakers
(Balance/Fade)
BAL/FADE (Balance/Fade):
To adjust balance or fade:
1. Press the TUNE/TONE knob
until the speaker control tabs
display.
2. Continue pressing the TUNE/
TONE knob, or press the softkey
under ...