As the first step of a vehicle inspection, a driver should review any inspection report left by the previous driver.

Operating oil pressure should be between 35 and 75 psi. Do not operate a vehicle if it has oil pressure that is low, dropping, or fluctuating.

If you must stop on the side of the road, it is important to turn on your four-way emergency flashers to warn other road users.

The function of an Anti-Lock Braking System (ABS) is to help prevent wheel lockup during hard braking. With ABS equipped on your vehicle, you should drive and brake in the same manner that you would without it.

Black ice is a layer of ice that is thin and clear enough for the road to be visible through it. This makes the road look as if it is merely wet.

When approaching your vehicle to conduct an inspection, you should look underneath it to make sure there are no fresh oil, coolant, grease, or fuel leaks on the ground. Leaks can indicate unsafe defects on a vehicle.

When approaching a vehicle for an inspection, you should check underneath it for fresh oil, coolant, grease, or fuel leaked onto the pavement. Any of these could indicate a problem that will need to be repaired before the vehicle is driven.

Warning signs that a driver may be impaired include that they are having trouble staying in their lane, they are having trouble maintaining an appropriate driving speed, or they are stopping without a clear reason.

When hazardous materials placards are required, they must be placed on all four sides of the transporting vehicle.

When approaching your vehicle before a trip, you should look underneath it to make sure there are no fresh oil, coolant, grease, or fuel leaks on the ground. Leaks can indicate unsafe defects on a vehicle.

A person should not smoke within 25 feet of a placarded tank that is used to transport Class 3 (flammable liquids) or Division 2.1 (gases) materials. Additionally, no person should smoke or carry a lit cigar, cigarette, or pipe within 25 feet of any vehicle containing Class 1 (explosives), Class 4 (flammable solids), or Class 4.2 (spontaneously combustible).

A driver uses a look when they open their door, leave their seated position, and walk to the back of the vehicle to check its position. During the straight line backing exercise, a driver may not exceed one look. During any other exercise, a driver may not exceed two looks.

When driving, you should regularly check your mirrors, both to be aware of traffic and to check for problems on your own vehicle.

When inspecting the engine compartment, you should check the oil level, coolant level, and windshield washer fluid level, among other things. In both cold and hot weather, it is important that the engine have enough coolant.

Before driving during the winter, make sure to check your defrosting and heating equipment, coolant and antifreeze levels, wipers and washers, tire tread, tire chains, lights, reflectors, and exhaust system. Clear ice and snow from all windows, mirrors, hand holds, steps, deck plates, and radiator shutters. Make sure the winterfront is not closed too tightly.

On a downgrade, the force of gravity will cause a vehicle's speed to increase. When approaching a downgrade, choose to travel at a speed that will be safe for the size and weight of your vehicle.

If your brakes fail on a downgrade, your best option is to use an escape ramp. If no escape ramp is available, it is a good idea to look for a different escape route, such as a side road or open field.

For safe driving, it is important to be aware of what is happening on all sides of your vehicle. A vehicle should have mirrors on both sides, which should be checked regularly.

When turning or changing lanes, you should signal early and signal continuously. Cancel your turn signal once the turn or lane change is complete.

When backing, it is always a good idea to use a helper to monitor your blind spots.

Radioactive materials are categorized as Class 7 hazardous materials.

Tar in road pavement often rises to the surface of the road, or "bleeds," in very hot weather. Watch for such areas because they can be very slippery.

Rust around wheel nuts can indicate that the nuts are loose. If you find rust near the wheel nuts, check their tightness before beginning to drive.

Potential problems to check for when inspecting brakes include cracked drums; shoes or pads with oil, grease, or brake fluid on them; and shoes that are missing, broken, or worn dangerously thin.

If you drive over a bridge during the on-road driving skills test, the examiner may ask you afterwards to recall the bridge's posted weight limit.

Stopping is not always the safest option when responding to an emergency while driving. It is usually safer to steer out of the way when attempting to avoid a crash.

If you must drive in fog, you should use your low beam headlights and fog lights, even during the day.

Your truck may block the views of drivers behind you, making them unaware of any upcoming hazards that require you to stop. For this reason, it is a good idea to flash your brakes and warn other drivers before slowing or stopping.

Driving while fatigued is dangerous. Warning signs of fatigue include difficulty focusing; repeated yawning or rubbing of the eyes; daydreaming or wandering thoughts; and drifting out of your lane.

Defects in an exhaust system are very dangerous because they can cause poisonous fumes to enter the cab or sleeper berth.