There's a difference between what a cop can do and what a cop should do. drawing a gun on a perp who is complying with a traffic stop and has their hands up is a great way to get them to freak out and escalate the situation into a dangerous one, as exemplified by this clip.

Regarding turning off your car, it's on the test to get your driver's license in most States. if you get stopped by a cop, you are supposed to keep your hands on the wheel and turn off the car. if you don't do this, they will instruct you to do so over the megaphone before they step out of their car.

the purpose for this is to prevent exactly what happens in this clip.

it's on the test to get your driver's license in most States. if you get stopped by a cop, you are supposed to keep your hands on the wheel and turn off the car. if you don't do this, they will instruct you to do so over the megaphone before they step out of their car.

the purpose for this is to prevent exactly what happens in this clip.