To Close
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
To close the power sunroof press and hold the front portion, of the sunroof switch. This will apply the sunroof switch low reference circuit to the sunroof close signal circuit, 5 volt reference input, pulling the reference voltage to 0 volts. The sunroof switch close signal input to the sunroof control module needs to have constant 0 volts applied, switch pressed, to allow the motor to continue to drive the sunroof glass, past the vent position, until it reaches the closed position. The sunroof glass will soft stop at the closed position based on the internal hall effect sensors. To close the sunshade, this will have to be manually slid closed.