Vehicle check glass and tires — Delaware Permit Test

Have a damaged windshield replaced, because damaged glass breaks more easily in a minor collision or when something hits it.

A small crack can spread across the glass when a stone hits it on the highway.

Have a damaged windshield replaced.

If the wiper blades are not clearing water well, replace them.

Streaky blades leave a smear right where you need to see the brake lights ahead in the rain.

If the blades are not clearing water well, replace them.

Check tire air pressure with a gauge when the tires are cold.

Air expands as tires heat up, so a reading after a long drive looks fuller than it is.

Check tire air pressure with an air pressure gauge when the tires are cold.

Check tread with a penny stuck in head first; if the tread does not come at least to Abe's head, the tire is unsafe and must be replaced.

A bald tire cannot push water out of the way and loses its grip on a wet road.

If the tread does not come at least to Abe’s head, the tire is unsafe and you need to replace it.

Worn or bald tires can increase your stopping distance and make turning harder on a wet road.

On a wet road, a car on bald tires slides past the stop line it would have stopped at on good tires.

Worn or bald tires can increase your stopping distance and make turning more difficult when the road is wet.

What does the Delaware manual tell you to do about a damaged windshield?

Have the windshield replaced. A small crack can spread across the glass when a stone hits it on the highway. Delaware Driver Manual, p.106: “Have a damaged windshield replaced.”