here here :
That is, the car is designed for 15 accidents, but has not passed the test. I should have endured at least 16.
Hi the car! You have the best seats in the world!

There is, as they say, a second problem, besides roads. The seats survived 15 tests. How can you imagine 15 tests in a row? Obviously, there were 15 independent tests that simulated strikes in traffic accidents from different directions. And here, with some one test (for example, a hit from the back left passenger), the seats do not behave as planned. and your cap.