DOES ANY ONE OUT THERE HAVE ANY INFORMATION ON HOW TO OBTAIN A "SD CARD" FOR THE NAV SYSTEM.
WE CALLED THE 877 628 3472 AND ALSO SENT A E-MAIL MESSAGE TO THEIR WEB SITE.
NO ONE HAS CALLED US BACK , NO E-MAIL ANSWER EITHER.
SO FAR WE HAVE BEEN UNABLE TO OBTAIN THIS PRODUCT.
2012 GMC TERRAIN
GM GROUP IS 9769 BOGUS GM PART # IS 00000002
THANKS , MARK