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:
Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the ignition key is turned off:
• Audio System
• Power Windows
• Sunroof (if equipped)
Power to the windows and sunroof will ...
Increasing Speed While Using Cruise Control
If the cruise control system is already activated, . Press and hold the +RES button on the steering wheel until the desired speed is reached, then release it.
• To increase vehicle speed in small a ...
California Perchlorate Materials Requirements
Certain types of automotive applications, such as airbag initiators, seat belt pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters, may contain perchlorate materials.
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