I don't think a dealer will charge you for that. Ask over on Aleromod.com. I know guys over there know how to program the Fob.
Look for me over there too

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Me
2000 Alero running 14's
2005 Nissan Altima (her's)
1967 Olds 330 motor sitting on a stand
1985 Delta 88 w/1968 350 rocket ( MURDERED )