After stabilizing the vehicle, the simplest way to access a victim of a crash is to:

Opening a door is the simplest and often the safest way to access a victim in a vehicle crash. This method allows emergency responders to reach the victim without significantly altering the structure of the vehicle, which can maintain the vehicle's integrity and stability. It provides a clear pathway for both the rescuer and medical personnel to assist the victim immediately.

This approach is also less time-consuming compared to other methods like rolling the roof, which requires special equipment and techniques to perform safely, or removing the windshield, which can be complicated and may pose additional risks to the patient. While rolling down a victim’s window may seem straightforward, it may not be feasible if the window is shattered or the mechanics are damaged, and it does not typically provide adequate access for necessary medical interventions.