Resetting OnStar/ xm radio. 2007 GMC Sierra.

rel1828rel1828 Member Posts: 1
edited November 2014 in GMC
I recently purchased a 2007 GMC Sierra that came from Canada. When I went to activate my on-star the light was not on until I pushed the button then it blinked green with a recorded message in French!
I tried to activate the XM radio but it didn't show XM in the bands. But when I push the CAT button it gives message XM use only. I contacted on-star and was told to take it to my dealer to reset my on-star.
Will this work and will it work for the radio also?


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