Be very careful when touching the electronic parts on your car.
You should not touch wires unless the entire system is turned off. https://www.webwiki.fr/auto-works.cc/%D9%83%D9%81%D8%B1%D8%A7%D8%AA-%D8%A7%D9%83%D8%B3%D9%84%D8%B1%D8%A7-%D9%83%D9%81%D8%B1%D8%A7%D8%AA-%D8%A7%D9%83%D8%B3%D9%84%D8%B1%D8%A7-265-35r-18-265-35r-18