You had to disconnect the battery on your 2002 MDX and now you need find radio code reset radio?

2002 Acura MDX Radio Code Reset

1. Turn on the radio.

2. Make sure the volume is turned down.

3. Press and hold the buttons:

"1" and "6" simultaneously for at least five seconds.

4. The Radio code menu should now be displayed.

5. Use the radio preset buttons to enter the five-digit radio code.

6. Press and Hold ENTER/SELECT or PWR/VOL button to submit.

7. The radio should now be working.

Note: If you do not know the radio code, you can contact your local Acura dealer.