It looks like the card slot is for a PCMCIA card so you'd need an adapter for SD or CF.
So, you need an adapter like this:
To use the SD card you have linked. One word of caution, check some of the Honda forums to see what those guys are using (this adapter may be too long and not allow the face to close).
Another thing, this site is catered to enthusiasts who are putting a PC or customized setup into their cars. If you are planning to modify your setup then you will be able to find a lot of good info here, if you are just trying to figure out how to play mp3's in your car, it's not really the right place. The name of the site is a little misleading at times.