It is not only tedious but also costly. Anyone wishing to have their vehicle technically checked before hitting the road must go through this checklist. What must absolutely be in the car. Which functions and components you need to check before the technical control. After the first registration, after four years, then after two years, and then every year: Every car must undergo regular general technical control. Good preparation is important. In the following checklist, you will discover what must be in the car: warning triangle, safety vest, all seats if removable. What does the technical control pay attention to?