Alarm, raise

First of all, you need to calm down and not panic. Then drown out the engine, turn on the alarm, raise the manual brake and set the emergency sign.

Upon arrival at the scene of the traffic police officers, carefully follow the paperwork. In no case should you refuse to undergo a medical examination for alcohol and drugs. If you disagree with what the traffic police officer wrote in the protocol, write your position, which later, an accident lawyer will help you correctly. Moreover, if the situation is controversial in order to properly prepare for the court, you just need a competent lawyer for accidents. And do not forget to describe all the moments associated with the incident, including the road surface. Take at least a couple of photos on a mobile phone.