1998 GMC Envoy Owner's Manual - Page 65

Door Locks There are several ways to lock and unlock your vehicle. You can use the Keyless Entry System. You can use your key to unlock your door from the outside. I Unlocked doors can be dangerous. Passengers especially children can easily open the doors and fallout. When a door is locked, the inside handle won't open it. Outsiders can easily enter through an unlocked door when you slowdown or stop your vehicle. This may not be so obvious: You increase the chance of being thrown outof the vehicle in a crash if the doors aren'tlocked. Wear safety belts properly, lock your doors, and you will be far better off whenever you drive your vehicle. -- -- You can use your power door lock switch to unlock your doors from the inside. To lock your door from the inside, slide the lever on your inside door down. To unlock the door, slide the lever on your inside door up. You will see a red area on the lever. 2-4