ON [XXX], at [XXX], i was driving the vehicle in electric Save mode, where the temperature was around -19 degree on that day and i was heading for car wash, During that time, the vehicle in front of me applied a break. i was at safe distance i applied the break as the distance was close Even the anti-breaking system did not work on hitting the vehicle at that time, and then it bumped three times. I was in shock at the vehicle's behavior and lost confidence in it. So the police office impounded the vehicle. to make the road safe. None of the air bags were deployed. I am having trouble picturing what would happen if this were on the freeway. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)