Calling for backup and trying to calm the driver down helps de-escalate the situation while ensuring officer safety.
Observing the person's behavior discretely before making contact allows you to gather more information and assess the situation before taking further action.
Separating the individuals and interviewing them separately ensures you gather accurate information and assess the situation safely.
Confronting the teenager attempting to break in and detaining him addresses the immediate threat to property and potential criminal activity.
Approaching the scene and separating the drivers to understand both sides helps to diffuse the tension and gather information impartially.