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:
General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts
and GM-trained and supported service people.
Genuine GM parts have one of these marks:
...
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 enter ...
Storing the Tire Sealant and Compressor Kit
To access the tire sealant and
compressor kit:
1. Open the trunk. See Trunk.
2. Lift the cover.
With Pressure Relief Button
With Pressure Deflation Button
3. Turn the wing nut
countercloc ...