2002 GMC Sonoma Owner's Manual - Page 74

Swing-Out Windows (Extended Cab) To open a rear swing-out window, pull the latch toward the front of the vehicle and then push the latch out and rearward. Sliding Rear Window (If Equipped) When you close the window, be sure the latch engages. Squeeze the latch in the center of the window and slide the glass to open it. When you close the window, be sure the latch is engaged. 2-4