2010 GMC Acadia Owner's Manual - Page 53
2010 GMC Acadia Manual
Page 53 highlights
Keys, Doors and Windows Express-open/Express-close: From the closed position, press and release the rear of the switch to express-open the sunroof. Press and release the front of the switch to express-close the sunroof. The front sunshade must be opened and closed manually. Push up on the sunshade handle to open the sunshade. 2-23 Manual Sunshades Vent: From the closed position, press and hold the front of the switch to vent the sunroof. Press and hold the rear of the switch to close the sunroof. On a vehicle with only manual sunshades, press the button on the sunshade handle to release it and guide it back. Pull the sunshade forward until it latches to close it. Notice: The rear sunshade could be damaged if you attempt to open or close it manually. Do not manually open or close the rear sunshade. To open the rear sunshade, located over the second row seats, press and release the rear of the switch. Press and release the front of the switch to close the sunshade. Rear Power Sunshade On vehicles with a rear power sunshade, the switch is on the headliner above the rearview mirror.