1997 GMC Savana Van Owner's Manual - Page 91

Windows Manual Windows It can be dangerous to getout of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehiclecan roll. Don't leave your vehicle whenthe engine is running unless you have to. I you've leftthe f engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle won't move, even when you're fairly on level ground, always set your parking brake and move the shift lever to PARK (P). Follow the propersteps to be sure your vehicle won't move. See "Shifting Into PARK (P)" in the Index. If you're pulling a trailer, see "Towing a Trailer" in the Index. To operate your manual windows, turn the hand crank on each door to raise or lower your sidedoor windows. Power Windows (Option) If you have the optional power windows, the controls are on each of the side doors.