Hi
I need help with my Nav unit , I did buy form Ebay the 2011 Escalade Nav unit with CF & I swap it with 09 that I have , but my brother Escalade when he put the in to the R , the display of the Nav will show the backup camera Guidelines , but my Escalade not , I did change the backup camera to the 2013 camera but its the same problem , I did know its the Nav unit firmware its old , I need the new firmware .
B.R. to all
I need help with my Nav unit , I did buy form Ebay the 2011 Escalade Nav unit with CF & I swap it with 09 that I have , but my brother Escalade when he put the in to the R , the display of the Nav will show the backup camera Guidelines , but my Escalade not , I did change the backup camera to the 2013 camera but its the same problem , I did know its the Nav unit firmware its old , I need the new firmware .
B.R. to all