Here are the steps to follow:
1. Locate the access cover on the back of the headlight housing. On the Odyssey, this access cover is a round rubber cover with a twist-lock mechanism. Turn the cover counterclockwise to unlock and remove it.
2. Locate the headlight bulb. It is held in place by a metal clip that you will see after removing the rubber access cover.
3. Use a flat-head screwdriver to release the metal clip and remove the old bulb from the housing.
4. Replace the old bulb with the new one, making sure that it is seated correctly in the housing.
5. Replace the metal clip to hold the new bulb in place.
6. Replace the rubber access cover by turning it clockwise to lock it back into place.
7. Repeat steps 2-6 on the other side of the vehicle if needed.
It is important to note that the headlight assembly on the Odyssey is held in place by multiple bolts and clips. If the bulb is not accessible with the removal of the access cover, you may need to remove the entire headlight assembly to access the bulb. Refer to the vehicle owner's manual or a repair guide for specific instructions on removing the headlight assembly if necessary.