Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard.
If the light next to the OnStar buttons is red, the system may not be functioning properly. Push 
and request a vehicle diagnostic check. If the light appears clear (no light appears), your OnStar subscription has expired and all services have been deactivated.
Push to confirm that the OnStar equipment is active.
See also:
Battery Replacement
To change the batteries, do the following:
1. Remove the battery compartment door located
on the bottom of the remote control.
2. Replace the two AA batteries in the
compartment. Make sure that ...
XM Satellite Radio Service
XM is a satellite radio service based in the 48 contiguous United States and
10 Canadian provinces. XM Satellite Radio has a wide variety of programming and
commercial-free music, coast to coast, ...
Accessories and Modifications
When non-dealer/non-retailer accessories are added to
the vehicle, they can affect vehicle performance and
safety, including such things as airbags, braking, stability,
ride and handling, emissi ...