1995 GMC Sonoma Owner's Manual - Page 50

Door Locks A CAUTION: Unlocked doors can be dangerous. Passengers -especially children - can easily open dgors the and fall out. When a door is locked,the inside handle won't open it. Outsiders can easily enter through an unlocked door when you slow downor stop your vehicle. This may not be so obvious: You increase the chance of being crash if the doors aren't locked. thrown out of the vehicle in a Wear safety belts properly, lock doors, and you will be far your better off whenever you drive your vehicle. There are several ways to lock and unlock your vehicle: From the outside: Use your key. 2-4