Low visibility and rain — Florida Permit Test

In low visibility you must turn on your headlights, and parking lights are not a substitute.

Headlights are not only so you can see. They are mostly so other people can see you.

You must turn on your headlights. Parking lights are not a substitute.

Drive with lights on low beam in fog, because high beams reflect off the fog and make visibility worse.

High beams in fog light up the fog itself and throw it straight back at you.

Drive with lights on low beam. High beams will reflect off the fog and impair visibility even more.

Turn on your headlights when you turn on your windshield wipers.

One switch reminds you of the other, and rain is exactly when you are hardest to see.

Turn on your headlights when you turn on your windshield wipers.

In low visibility, use the right edge of the road, or the edge lines and center lines, as visual guides.

Following the line beside you keeps the car straight when you cannot see ahead at all.

Use the right edge of the road or edge lines and center lines as visual guides.

Roads become slick during rainstorms, and especially when it has not rained in a while, because oil has built up on the highway.

The first rain after a dry spell lifts the oil off the surface and floats your tires on it.

Slow down! Roads become slick during rainstorms and especially if it has not rained in a while (oil build-up on the highway).

Hydroplaning happens when your vehicle slides on a thin layer of water between the tires and the road, and low tire pressure, bad tread and speeding all raise the risk.

With the tires off the surface, steering and braking do nothing at all.

Hydroplaning happens when your vehicle slides on top of a thin layer of water between your tires and the road.

Wet roads increase your braking and stopping distance, so increase your following distance.

The gap that was right on a dry road is the gap you run out of on a wet one.

Wet road conditions will increase your braking/stopping distance, so be sure to increase your following distance.

Brakes often become wet after heavy rain and may pull to one side or not hold at all: slow down and press the brake pedal gently until they work again.

Drying the brakes takes a few gentle applications, and it is better to find out before you need them.

Brakes often become wet after driving in heavy rain. They may pull to one side or the other, or they may not hold at all. If this happens, slow down and gently push on the brake pedal until your brakes are working again.

If you come to a flooded roadway, turn around and find another route: it is impossible to tell the depth or the current, and a vehicle can be submerged or swept away.

Water across a road looks shallow from a car seat and almost never is.

If you come to a flooded roadway, turn around and find another route. Do not attempt to drive through the water!

Keep your windshield and headlights clean to reduce glare and increase visibility, and eliminate distractions inside the vehicle in low visibility.

A dirty windshield turns every oncoming headlight into a starburst you cannot see past.

Keep your windshield and head- lights clean to reduce glare and increase visibility.

What must be switched on in smoke, fog or heavy rain?

The headlights, since parking lights will not do. Headlights are not only so you can see. They are mostly so other people can see you. Official Florida Driver License Handbook, p.71: “You must turn on your headlights. Parking lights are not a substitute.”