Thanks to ZRO26T'S ,, who found this useful site..
http://www.honda-acura.net/forums/showthread.php?t=202634


here's zro26t's instructions Also,

2000 and 2002 Accord SE with factory-installed security system

1. Turn the ignition switch to ON (II).
2. Press the "Lock" or "Unlock" button on one of the transmitters. (An unprogrammed transmitter can be used for this step.)
3. Turn the ignition switch to LOCK (0).
4. Repeat steps 1 2, and 3 two more times using the same transmitter used in step 2.
5. Turn the ignition switch to ON (II).
6. Press the "Lock" or "Unlock" button on the same transmitter. Make sure the power door locks cycle to confirm that the system is in programming mode.
7. Within 10 seconds, press the "Lock" or "Unlock" button on each transmitter. Make sure the power door locks cycle after you press each transmitter button to confirm that the system accepted the transmitter's code.
8. Turn the ignition switch to LOCK (0) to exit the programming mode.