To Slide Open
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Press and hold the rearward portion of the sunroof switch, firmly to the second detente, the open position. The sunroof switch will apply the accessory voltage through to the sunroof motor open control circuit to the sunroof actuator motor. The sunroof switch will also supply the ground circuit to the sunroof motor close control circuit to the sunroof actuator motor. The sunroof window will slide rearward until it reaches a hard stop at the full open position, unless the sunroof switch is released.