1999 Ford Taurus

You should have checked that before you bought it.

If you mean the key fob remote (the "peanut"), it may require a new battery and re-programming to the car. Do the door locks work with the electric (not manual) switches inside the car? If not, new door lock solenoids may be required, or it may just be a fuse.

Thanks so much for the input. I checked the fuse, and there wasn't a fuse even in that slot, which makes me wonder why it was taken out in the first place...maybe it was shorting something. The locks do not work automatically from inside the car, only manually. Thanks again! Joanie