Required mirrors horn lights and head restraints — Arizona Permit Test

A vehicle made or loaded so the driver cannot see out the back must have an outside driver-side mirror showing at least 200 feet to the rear.

With the back window blocked, that mirror is the only way you see the car you are about to pull in front of.

Every vehicle that is made or loaded so that the driver’s view to the rear is blocked must have at least one outside driver side mirror that shows the view of the highway for at least 200 feet to the rear.

Your vehicle must have a working horn that can be heard for 200 feet.

A horn nobody hears in time cannot warn a driver backing out or a person stepping off the curb.

A working horn that can be heard for 200 feet is required on your vehicle.

Flashing red warning lights on the front of a vehicle are prohibited, even on a disabled vehicle, except on emergency vehicles, school buses and snow removal equipment.

Drivers treat flashing red lights ahead as an emergency. A car wearing them where it should not causes panic stops.

Flashing red warning lights are prohibited on the front of the vehicle, even those vehicles that are disabled, except on authorized emergency vehicles, school buses and snow removal equipment.

Turn on your hazard warning lights whenever your vehicle is stopped on the roadway or shoulder.

A car stopped on the shoulder at night looks like it is moving until someone is right on top of it.

Hazard warning signal lights (emergency flashers should be activated whenever your vehicle is stopped on the roadway or shoulder of the road.

Seat-back head restraints are designed to reduce the chance of whiplash injury in rear-end crashes.

When you are hit from behind, your head snaps back. The restraint is what stops it.

Seat-back head restraints are designed to reduce the chance of whiplash injury in rear-end crashes.

An adjustable head restraint should fit against the back of your head and line up with the middle of your ear.

Set too low, the restraint becomes a pivot point that bends your neck back further in a crash.

If they are adjustable, they should be positioned to fit against the back of your head and to line up with the middle of the ear.

If your rear view is blocked, your outside driver-side mirror must show at least how far behind you?

200 feet. With the back window blocked, that mirror is the only way you see the car you are about to pull in front of. Arizona Driver License Manual and Customer Service Guide, p.22: “Every vehicle that is made or loaded so that the driver’s view to the rear is blocked must have at least one outside driver side mirror that shows the view of the highway for at least 200 feet to the rear.”