Reading Lamps
Press the button near each lamp to turn them on or off.
See also:
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 Q to try the call again or try again after
driving a few miles into anoth ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...
XM™ Satellite Radio Service
XM Satellite Radio Service gives digital radio reception from coast to coast
in the 48 contiguous United States, and in Canada. Just as with FM, tall buildings
or hills can interfere with satellit ...





