Seat back and forth electric repair

Dear friends, I have been rcz 156 for about 1 year, I am technically very knowledgeable, I have been repairing all my cars by myself. Lexia also has the right passenger seat not going back and forth, but I went up and down, and I have the electronic card to which the keys are connected. and I wanted to inform you about oxidation

welcome to us thank you for the information. If you are available and have time, I think it would be better if you can take this type of photo by taking a photo.

thank you for a long time I use my cars pejo and citroen I will publish all my work as a photo from time to time