where is power window fuse on 1999 park avenue

The Driver Door Module DDM fuse and the Rear Door Module RDM fuse are in the rear fude block under the rear seat. The passenger door module PDM fuse is in the instrument panel fuse block. The indiviual windows do not have fuses ... the module controlling the windows is fused. They should be listed in the owner's manual.

In rear fuse box

if the rdm was to take on water what would be the best remedy for cleaning it or would you have to replace it?

Replace it

The driver window switch doesn't let windows raise down how to replace it or to find the fuse box panel