1999 Oldsmobile Intrigue Owner's Manual - Page 65

Rear Security Locks Your vehicle is equipped with rear door security locks thathelp prevent passengers from opening the rear doors of your vehicle from the inside. The rear doors donot have power door lock switches. The manual lever each frontand rear door works on only on that door's lock. It won't lock or unlock all the doors. To use one of these locks: 1. Open one of the rear doors. 2. On the inside of the rear door will be a lock. Insert your master key into this lock turn it upward. and This will engage thesafety lock. 3. Close the door. 4. Do the same thing to the other rear door. The rear doorsof your vehicle cannot be opened from the inside when this feature is in use.If you want to open the rear door when the security lock is on, unlock the door from the inside and then open the door from the outside