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:
Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle in P (Park). To avoid excessive
drain on the battery, it is recommended that the headlamps are turned off.
2. Press the customization button to scroll ...
PRESS START CONTROL TO
LEARN KEYS
If the vehicle has the keyless
access system, this message
displays when matching new
transmitters to the vehicle.
See the keyless access information
for Remote Keyless Entry (RKE)
System O ...
AWD and Magnetic Ride Control support new driving experience
A layered approach to the driving experience relies on new and established
technologies - all rooted in a stiff structure. The body is infused with
strategically placed ultra-high-strength steel f ...