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:
How to Check Power Steering
Fluid
Check the level after the vehicle has
been driven for at least 20 minutes
so the fluid is warm.
To check the power steering fluid:
1. Turn the ignition to LOCK/OFF
and let the engine compartme ...
Finding a Program Type (PTY) Station(RDS and XM™)
To select and find a desired PTY perform the
following:
1. Press the TYPE button to activate program
type select mode. TYPE and a PTY displays.
2. Turn the TYPE knob or press and release the
TY ...
Brake Adjustment
Every time the brakes are applied,
with or without the vehicle moving,
the brakes adjust for wear. ...