1998 GMC Savana Van Owner's Manual - Page 76

Door Locks There are several ways to lock and unlock your vehicle. If your vehicle is equipped with remote keyless entry, see "Keyless Entry System" later in this section for more information. From the outside, use your key. Unlocked doors can be dangerous. Passengers especially children can easily open the doors and fall out. When adoor is locked, the inside handle won't open it. Outsiders can easily enter through an unlocked door when you slow down stop your vehicle. or This may not beso obvious: You increase the chance of being thrown out of the vehicle in a crash if the doors aren't locked. Wear safety belts properly, lock your doors, you will befar and better off whenever you drive your vehicle. -- -- To lock the door from the inside, slide the lever on your door down. To unlock the door, slide the lever up. 2-4