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:
Front Turn Signal/Parking/Side Marker Lamps (Base and Up-Level)
To replace the front turn signal, parking lamp, or sidemarker lamp:
1. For the driver side bulb, remove the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle ...
SBZA Detection Zones
The SBZA sensor covers a zone of
approximately one lane over from
both sides of the vehicle,
or 3.5m(11 ft). This zone starts at
each side mirror and goes back
approximately 5.0 m(16 ft). Th ...
Electronically Controlled AirSuspension System
Your vehicle is equipped with an electronically
controlled air suspension system that automatically
keeps your vehicle level as you load and unload.
The system includes a compressor, two height
...