Always ask about the certification and the of a mechanic before letting them fix your car. If something goes wrong, the mechanic's will cover damages and usually provides you with a car you can drive until yours is fixed. https://www.webwiki.nl/auto-works.cc/%D9%84%D9%8A%D9%83%D9%8A-%D9%85%D9%88%D9%84%D9%8A-%D8%B2%D9%8A%D8%AA-%D9%85%D8%AD%D8%B1%D9%83-5w-40