Cadillac Owners Forum banner
  • Hey everyone! Enter your ride HERE to be a part of JULY's Ride of the Month Challenge!
install navigation
1-1 of 1 Results
  1. STS Forum - 2005-2012
    Hey guys, When I bought my 07 sts4 it didn't have navigation installed. GM doesn't sell the discs anymore. I bought one off of ebay. I loaded it into the DVD rom and it takes it and closes with a lock but nothing happens. I put it in the cd/DVD just to see and it said "disk copy protection...
1-1 of 1 Results
Top