How do you program a factory remote on a 1992 Buick Riviera?

To program a factory remote for a 1992 Buick Riviera, first, sit in the driver's seat and close all doors. Then, insert the key into the ignition and turn it to the "On" position without starting the engine. Press and hold the "Unlock" button on the remote while turning the key back to "Off" and then back to "On" again. Release the "Unlock" button, and the vehicle should respond by locking and unlocking the doors, indicating that the remote is programmed.