How to program a key fob on a 2000 cavalier?

How do I program a new fob for my Honda CRV 'W' Reg(2000) key-less entry transmitter programming?

• On the back of the fob it has the following information:- Freq 433.9mhz G8D-4533H-A ETS 300 220 How do I know if this is the correct one? there seem to be alot of people selling these on ebay?

• Answer:

  here's the procedure to program the remote: Programming the Transmitter NOTES: • The system accepts up to three transmitters. The transmitter codes are stored in a stacking-type memory. If a fourth transmitter code is programmed, the code for the first transmitter is erased. • Entering the programming mode cancels all learned transmitter codes, so none of the previously programmed transmitters will work. You must reprogram all of the transmitters once you are in the programming mode. • You must complete each step within 4 seconds of the previous step to keep the system from exiting the programming mode. Program the transmitters within 10 seconds. 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. hope that helps