1999 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 115

yellowblue The driver's window also has an express down feature that allows the window to be lowered without holding the switch. Press and hold the rear of the window switch for one second to activate the express down mode. The express down mode can be canceled at any time by pressing the opposite side of the switch. To open the window partway, lightly tap the switch until the window is at the desired position. Sliding Rear Window (If Equipped) To open the sliding rear window, unlock the latch lever by pushing the lever toward the passenger's side of the vehicle. Release the lever from the latch plate and slide the window toward the passenger's side of the vehicle. To close the window, slide the window toward the driver's side of the vehicle. The latch lever will automatically snap on to the latch plate. Try to open the window without releasing the latch lever to be sure the window is in the locked position. Swing-Out Windows (Extended Cab) To open a rear swing-out window, just flip the latch open and swing the glass out. Horn To sound the horn, press the center pad on the steering wheel. The latch will catch when the window is fully open and hold the window in the open position. 2-43