1) Gather all the remotes you plan on using with your car.
2) Get in car, fasten seatbelt, and close doors to make sure it doesn't beep when you turn the ignition to "Run"
3) Place key in the ignition.
4) Turn the ignition to "Off", then back to "Run" (don't start) 8 times within 10 Seconds, stopping at "on"
5) The doors should lock and unlock automatically.
6) Hit "Unlock" on each remote you wish to use, incluing all of your original ones. Wait about 1 second between each remote. You only have a window of 10 seconds to add your remotes. Only 4 total can be programmed for the car. Once the car automatically locks and unlocks on it's own again (after about 10 seconds you're keypads are programmed.