Make sure all doors, hood, and trunk are closed.
Turn the ignition on and off 5 times within 10
seconds.  On the fifth try, leave the ignition on.
Press either button on the transmitter.
The first transmitter must be programmed within 15
seconds, the others within 10 second intervals.
When the alarm system accepts the codes from each
transmitter, the LED on the dash will glow
steadily for several seconds.
Switch the ignition off and test the transmitters.