Iowa CDL Permit Test - Double

If you need to back your trailer but cannot back up in a straight path, you should back on a curved path toward the driver's side of the vehicle. This will allow you the best possible visibility while backing.

Texting while driving is particularly dangerous because it is both a mental and physical distraction to the driver. In addition to diverting a driver's mental attention away from the road, texting requires a person to remove at least one hand from the vehicle's controls.

If a vehicle has anti-lock brakes on just one axle, the driver will still have more control during braking than they would without any anti-lock brakes.

To reduce the risk of developing aggressive driving behavior, you should take measures to manage your stress. One strategy to do this is to simply take a deep breath and accept your circumstances if you realize you will be late to your destination.

After changing a tire, you should stop a short distance later to recheck the tightness of the tire's lug nuts.

Rust around wheel nuts may mean that they are loose. Check the tightness of the nuts if you see any rust in the area.

Wheels or rims that have had welding repairs should never be used.