1997 Pontiac Bonneville Owner's Manual - Page 110
1997 Pontiac Bonneville Manual
Page 110 highlights
NOTICE: Adding some electrical equipmentto your vehicle can damage it or keep other things from working as they should. This wouldn't covered by your be warranty. Check with your dealer before adding electrical equipment, and never use anything requiring more than15 amps. If you want to stop the sunroof in a partially open position, lightly press the switch again. To completely open the sunroof, press the switch rearward again. The sunshade can also be opened by hand. To close the sunroof, press and hold the control switch forward to close the glass panel. Then, close the sunshade by hand. When the sunroof is in the closed position, press the control switch forward to the vent position. Open the sunshade by hand. Press the switch rearward to close the rear vent. Your sunroof provides an airy, spacious feel to your vehicle's interior and can also increase ventilation. It includes a sliding glass panel and a sliding sunshade. The control switch will work only when the ignition is on or during Retained Accessory Power, if you have that option. See "Retained Accessory Power" in the Index. Sunroof (Option) Your Bonneviile may be equipped with an express-open sunroof. Press the control switch rearward and release it to open the glass panel and sunshade.