1998 Explorer Keys

[Klementine]

I lost one of my keys up in the mountains, and I want to get another one or two. I see that they sell them on ebay, but can you program them yourself or do you need to go to the dealership? Are they universal, or are there specific numbers for different Explorers? Thanks

[rglemois]

If you buy the keys on ebay they usually come with the directions on how to program them.