for all traffic to pass before pulling out of your parking spot. 3.       If you are driving your vehicle, you are automatically at fault if you collide with a legally parked car. No matter the circumstance, if you hit a legally parked vehicle, you are at fault.   On the other hand, if the car is parked illegally, the driver of that car could be at fault. 4.       You must follow all signs in the parking lot. You are automatically at fault if you are in an accident as a result of failing to follow the directions of a traffic sign in the parking lot such as a stop or yield sign, or if you fail to follow the directions of a police officer. 5.       If you hit the open door of a car, the driver who opened the door is at fault. It is the responsibility of the person opening a car door to ensure that there is no traffic approaching before they do so. What should you do after a parking lot accident? A parking lot accident should be handled the same as any other accident.   Any accident with over $1,000 in damage should still be reported to the police. Some people choose to pay for the accident out of their pocket without informing their insurance company, but this approach can backfire.   Your insurance company is within their right to cancel your insurance policy if you fail to report an accident.   In addition, if you have a cancelled policy