put key in ignition, turn key to accessories watch for red light in clock, you have 20 seconds before light goes out to program key fob,turn key back to take out of ignition, hold key in front of door sensor near door handle, press one of the two buttons till red light in the key fob comes on, then press the other button holding the two buttons down together, release both buttons the key fob will flash a couple of times, to let you know it has been programmed, put key back in ignition turn to start engine, then back take key out and try it, good luck.
s bowen, March 2007