2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 37

Crew Cab There are two sunroof switches located in the overhead console above the rearview mirror. Express-Open/Express-Close: To express-open the sunroof, fully press and release the rear of the driver side switch until the sunroof reaches the desired position. To express-close the sunroof, fully press and release the front of the driver side switch. Press the switch again to stop it. The sunroof also has a sunshade that you can pull forward to block the rays of the sun. The sunshade must be opened and closed manually. See Sunroof on page 3‑83. Vent: From the closed position, press the rear of the passenger side switch to vent the sunroof. Manual-Open/Manual-Close: To open the sunroof, press and hold the rear of the driver side switch until the sunroof reaches the desired position. Press and hold the front of the driver side switch to close it. 1-31