Section 17c: Your Vehicle

The “Your Vehicle” section of the Ontario driver knowledge test evaluates your understanding of basic car components and their safe operation.

Ontario Driving Test - Section 17c: Your Vehicle

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Why should you increase your following distance when towing a trailer?

To allow your engine to cool down.

To improve your vehicle's fuel efficiency.

To give yourself more time to admire the scenery.

To avoid sudden stops that can cause the trailer to jackknife.

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When making a sharp right turn while towing, what is the recommended procedure?

Signal after you have started the turn.

Move ahead until your vehicle's front wheels are well ahead of the curb before turning.

Slow down and let the trailer wheels go over the curb.

Turn as tightly as possible to stay in your lane.

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What factor determines the class of trailer hitch you should use?

The type of roads you will be driving on.

The gross weight of your trailer.

The length of the trailer.

The make and model of your vehicle.

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If you must tow a disabled vehicle with another car, what must the person in the disabled vehicle do?

Keep the vehicle in 'park' or in gear.

Steer and use the brakes to keep the tow cable tight.

Turn on the radio to listen for traffic reports.

Honk the horn continuously to warn other drivers.

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How should you approach a left turn when towing a trailer?

Turn sharply to avoid entering the oncoming lane.

Swing wide by driving well into the intersection before turning.

Follow the path of the vehicle directly in front of you.

Cut the corner to complete the turn more quickly.

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When backing up a trailer, how should you steer to make the rear of the trailer go to the left?

Steer the vehicle to the right.

Steer the vehicle to the left.

It is not possible to back a trailer to the left.

Keep the steering wheel straight.

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What is the recommended action if a large truck passes and the 'wall of wind' causes your trailer to sway?

Accelerate rapidly to get away from the truck.

Do not brake; carefully steer back into position.

Brake hard immediately.

Swerve in the opposite direction of the sway.

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What is a common consequence of poor load balance in a trailer?

Improved fuel economy.

The trailer may sway or fishtail.

Better vehicle handling.

Increased tire life.

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What is the potential danger of trying to start a disabled vehicle by towing it?

It can drain the battery of the towing vehicle.

It is dangerous and could damage both vehicles.

It will void the warranty of the disabled vehicle.

It is a safe and recommended procedure.

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How many separate ways must a trailer be attached to your vehicle?

It depends on the weight of the trailer.

Two, so if one fails, the other will keep it attached.

Three, including chains, a hitch, and a locking pin.

One, as long as it's a high-quality hitch.

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Is it permissible to carry passengers in a house or boat trailer while it is being towed?

Only in a house trailer, not a boat trailer.

Yes, if they are seated and wearing seatbelts.

No, you may not carry any person in any trailer being towed.

Yes, for short distances at low speeds.

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When should you check the tire pressure on your trailer?

Before each trip, while the tires are still cold.

After driving for 30 minutes to warm them up.

Once a month, regardless of use.

Only when the trailer is empty.

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Besides affecting steering, what is another problem caused by a heavy load pulling down the rear of your vehicle?

It can cause the engine to overheat.

It can make the trailer lights appear brighter.

It may cause your low beam headlights to blind approaching drivers.

It can damage the vehicle's transmission.

14 / 25

How should safety chains be configured when attaching a trailer?

Attached to the vehicle's bumper.

Crossed under the tongue.

As short as possible to prevent movement.

Loosely, to allow for sharp turns.

15 / 25

What is the primary purpose of crossing the safety chains under the trailer tongue?

To prevent the tongue from dropping to the road if the hitch disconnects.

To make them easier to inspect.

To keep them from dragging on the road.

To improve the turning radius.

16 / 25

Why should you not tow vehicles with power braking and steering if the engine cannot run?

Braking and steering become extremely difficult, which may lead to a collision.

The power systems can be damaged by towing.

The battery will drain too quickly.

It is against the law in all jurisdictions.

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What does the 'gross weight' of a trailer refer to?

The weight of the empty trailer.

The weight placed directly on the hitch.

The total weight of the trailer and its load combined.

The maximum weight the trailer is designed to carry.

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When backing up a trailer, how should you steer to make the rear of the trailer go to the right?

Keep the steering wheel straight.

Steer the vehicle to the left.

Steer the vehicle to the right.

Alternate steering left and right quickly.

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What might you need if your trailer hitch pulls down the rear of your vehicle?

A load-equalizing trailer hitch.

Stronger safety chains.

A smaller hitch-ball.

To add more weight to the front of the trailer.

20 / 25

What percentage of the trailer's total weight should be supported by the hitch?

Exactly 15 per cent.

About 20 to 25 per cent.

About 5 to 10 per cent.

Less than 5 per cent.

21 / 25

According to the text, what is the ideal weight distribution for a trailer?

More of the trailer load should be in front of the trailer axle.

Weight should be concentrated in the center of the trailer.

The weight should be perfectly balanced over the axle.

All the weight should be behind the trailer axle.

22 / 25

What is an offence regarding the loading of your trailer?

Having a load that is too light.

Strapping down items inside the trailer.

Having a load that may become dislodged or fall off.

Carrying a boat on a trailer.

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When passing another vehicle while towing, what is a crucial consideration?

You need more time and room to complete the pass safely.

You can accelerate more quickly due to the extra weight.

You should return to your lane as quickly as possible.

You need less space because your vehicle is more visible.

24 / 25

If your vehicle breaks down, what is the recommended method for moving it?

Try to start it by towing it with another vehicle.

Have several people push it from behind.

Get help from a tow truck designed to tow vehicles.

Tow it with a personal car using a rope.

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What should you do if you are towing a trailer and holding up a line of traffic?

Maintain your speed and ignore the traffic behind you.

Signal, pull over, and let the other vehicles pass.

Weave within your lane to signal others to pass.

Speed up to match the flow of traffic.

Your score is

This part covers questions about dashboard symbols, required equipment (such as seat belts and mirrors), and how to perform simple safety checks. You’ll need to recognize the purpose of warning lights, identify the locations of essential controls, and understand routine vehicle maintenance. Mastering this section helps ensure you can spot issues early and keep your car roadworthy. A solid grasp of your vehicle’s features not only helps you pass the test but also promotes long-term driving safety.