If it is necessary to make an emergency stop while driving on an interstate, you should:

Question

If you must stop on the shoulder of the interstate or highway, turn on your emergency flashers to warn other drivers and stay inside your vehicle, if you can. The extremely high speed of traffic makes standing or walking along an interstate highway very dangerous.

Accepted Answer

Pull off the road, turn on your emergency flashers, and stay in your vehicle, if you can.

Answer

Sound your horn at passing cars to get their attention.

Answer

Get out of your vehicle and flag down the first vehicle that passes.