Front passenger seat on 1998 Cadillac deville does not move can it be moved manually?
No, the front passenger seat on a 1998 Cadillac DeVille does not have a manual override for movement. The seat adjustment is entirely powered. If it's not moving, the problem lies within the electrical system (motor, wiring, switch, fuse, etc.). You'll need to troubleshoot the electrical components to find the cause of the malfunction.