How do you program a keyless entry for 2000 Oldsmobile alero?

To program a keyless entry remote for a 2000 Oldsmobile Alero, start by sitting in the driver's seat and closing all doors. Insert the key into the ignition and turn it to the "On" position without starting the engine, then back to "Off." Repeat this two more times, ending with the key in the "On" position. Press and hold the "Lock" button on the remote for a few seconds, and you should see the locks cycle, indicating successful programming.