1994 Buick LeSabre Owner's Manual - Page 71

If you don't cancel the security lock feature, adults or older children who ride in the rear won't be able to open the rear door from the inside. You should let adults and older children know how these security locks work, and how to cancel the locks. Remote Trunk Release The trunk release switch in the glove box must be "ON" for the "TRUNK" button to work. To cancel the rear door lock: 1. Unlock the door from the inside and open the door from the outside. 2. Move the lever all the way down 3. Do the same for the other rear door. The rear door locks will now work normally. This feature allows you to secure items in the trunk when you must leave the ignition key with an attendant. To secure the trunk, turn OFF the TRUNK RELEASE, lock the glove box, then take the door key with you. 69