See also:

Passenger Sensing System
The vehicle has a passenger sensing system for the front outboard passenger position. The passenger airbag status indicator will be visible on the instrument panel when the vehicle is start ...

System Settings
CONFIG: Press to adjust the number of favorites pages, auto volume, XM (if equipped), and HDD (if available) settings. The FAV, AUTO VOL, XM (if equipped), and HDD (if available) tabs displa ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...