2007-2011 Gmc Truck Acadia Heated, Flat, Driver Left Side Replacement Mirror Glass This glass measures 9 15/16 inches diagonally (Longest diagonal dimension from top corner to opposing bottom corner). This mirror has a heat grid and terminals on the back of the mirror. Exclusive Burco Authorized On-Line Distributor We are the only distributor able to give Burco Lifetime Guarantee Burco Trained Technical Support