Originally Posted by sonoronos

The power seats in this car have a special relay hooked up to the car's door open/closed sensor. It is called the seat relay.

The relay should only allow the seats to be adjusted when the door is open or the key is set to ON.

If the seats do not move when the key is set to ON, you may have to test and replace that relay.

Please check to see if the passenger side seat suffers the same problem.

Note: Edited to reflect that the car only has one seat relay that controls both passenger and driver's side seats.