This is a case of phantom braking, which is illegal.
People often forget about the most important traffic rule: it is not allowed to cause an unsafe situation.
People often forget about the most important traffic rule: it is not allowed to cause an unsafe situation.
You are putting other people into an emergency situation which is endangering everyone around you.
The driver's account, as quoted here, doesn't even make sense. In the first sentence it says he was driving along in lane 1, the car slowed, and he "felt an impact."
The next part is contradictory, citing a different lane (2), a different cruising speed, and then a lane change... and no impact. WTH?
It's not that simple. If it was it would be legal to break check someone and it would be that persons fault for crashing in to you.
But you would need to prove that incorrect automatic breaking is intentional, which has not been proven in any court I know of.