1. Turn the ignition switch to the ON position, marked II.
2. Press the LOCK button.
3. Turn the ignition switch to the Off position, marked I.
Do this three times!
Next, turn the ignition switch to the ON position (II) for a fourth time.
Press the LOCK button again. The door locks should now make a cycling sound, indicating that the system has entered Programming Mode.
Press the LOCK button one more time to program this remote. If you have other remotes to program, press the LOCK button on each one in turn. The door locks should make the cycling sound after you press LOCK on each remote. You may program up to three remotes, and they must all be programmed within ten seconds of each other.
Turn the ignition off and remove the key. The remotes are now programmed and may be tested.
If you've got a trunk/hatch release, hold the button for this function for a few seconds.