1999 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 114

yellowblue Locking Rear Axle If your vehicle has this feature, your locking rear axle can give you additional traction on snow, mud, ice, sand or gravel. It works like a standard axle most of the time, but when one of the rear wheels has no traction and the other does, this feature will allow the wheel with traction to move the vehicle. Power Windows (If Equipped) If you have the optional power windows, the controls are on each of the side doors. Windows Manual Windows Turn the hand crank on each door to raise or lower manual windows. The driver's door has a switch for the passenger window as well. Your power windows will work when the ignition has been turned to ACCESSORY or RUN or when Retained Accessory Power (RAP) is present. See "Retained Accessory Power" in the Index. Press the rear of the switch with the power window symbol on it to lower the window. Press the front of the switch with the power window symbol on it to raise the window. 2-42