QuizTraffic rulesPortugal

This interesting quiz helps you test your knowledge in a clear and visual way. With easy multiple-choice questions, you can quickly build confidence and learn new facts while keeping it simple, interactive, and fun.


You should signal before turning or changing lanes.

401. You should signal before turning or changing lanes.

✓ True.
False.

A clear signal helps other road users understand your intentions, but you must still check that the manoeuvre can be made safely.

Vehicle signalling before a turn
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What should you do before overtaking while towing a trailer?

402. What should you do before overtaking while towing a trailer?

✓ Allow extra time and distance for the manoeuvre.
Accelerate sharply once you move into the other lane.
Assume the trailer will follow the same path as the vehicle.
Begin overtaking as soon as the road looks clear.

A towing vehicle accelerates more slowly, and the trailer makes the whole vehicle combination longer. Remember to allow a much larger safe gap before overtaking and enough space to return safely to your lane.

Vehicle preparing to overtake while towing a trailer
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What is the minimum licence for a motorcycle with more than 35 kW?

403. What is the minimum licence for a motorcycle with more than 35 kW?

Licence A1.
Licence AM.
Licence B.
✓ Licence A.

Category A2 is limited to motorcycles with power not exceeding 35 kW. A motorcycle with more than 35 kW therefore requires category A.

Motorcycle with more than 35 kW
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What should you do before changing lanes?

404. What should you do before changing lanes?

Check only the lane directly beside you.
✓ Check your mirrors and blind spot.
Speed up and move over before nearby traffic catches up.
Check the blind spot only after starting to move.

Always check your mirrors, look over your shoulder if necessary, and make sure it is safe before changing lanes.

Driver checking surrounding traffic before changing lanes
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What does this vehicle-control symbol indicate?

405. What does this vehicle-control symbol indicate?

✓ Driving mode selection.
Four-wheel drive.
Cruise control.
Electronic stability control.

This control selects a driving mode. Depending on the vehicle, different modes can alter characteristics such as accelerator response, steering assistance, transmission behaviour or energy use.

Selector for the vehicle's driving modes
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What is the purpose of a pedestrian crossing?

406. What is the purpose of a pedestrian crossing?

✓ To help pedestrians cross the road safely.
To give pedestrians priority throughout the whole street.
To allow pedestrians to cross without checking traffic.
To provide a place where vehicles may stop temporarily.

Pedestrian crossings provide a designated place where people can safely cross the road.

Pedestrian crossing across a road
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What is the purpose of the anti-dazzle control on the rear-view mirror?

407. What is the purpose of the anti-dazzle control on the rear-view mirror?

To heat the rear window.
To adjust the exterior mirrors.
To activate the reversing camera.
✓ To reduce glare from headlights behind.

The anti-dazzle setting reduces glare from the headlights of vehicles behind, helping the driver maintain a clear view without being dazzled.

Anti-dazzle control on an interior rear-view mirror
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What does this dashboard symbol indicate?

408. What does this dashboard symbol indicate?

Differential lock.
Parking assistance.
Low tyre pressure.
✓ Four-wheel-drive system.

This symbol relates to the vehicle's four-wheel-drive system, which can transmit power to all four wheels. The exact symbol and operating modes vary between vehicles.

Four-wheel-drive system symbol on the dashboard
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Why should you leave extra space when following a large vehicle?

409. Why should you leave extra space when following a large vehicle?

To prevent the large vehicle from changing lanes.
To reduce the amount of fuel your vehicle uses.
To make overtaking possible without checking ahead.
✓ To improve your view ahead and give yourself more time to react.

A large vehicle can block your view of traffic, signs, junctions, or hazards ahead. Leaving extra space improves your view and gives you more time to react if traffic slows or a hazard develops.

Large vehicle limiting a following driver's view
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What is a danger of driving a petrol or diesel vehicle with the boot or tailgate open?

410. What is a danger of driving a petrol or diesel vehicle with the boot or tailgate open?

The rear window demister may stop working.
The fuel gauge may become inaccurate.
The vehicle can become too heavy at the rear.
✓ Exhaust fumes can be drawn into the passenger compartment.

Driving with the boot or tailgate open can allow exhaust gases to be drawn into the vehicle. Exhaust fumes may contain carbon monoxide, which is poisonous and may be difficult to detect. Keep the luggage compartment properly closed while driving whenever possible.

Open vehicle tailgate and exhaust-fume risk
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Which roads are most likely to cause aquaplaning?

411. Which roads are most likely to cause aquaplaning?

Roads with freshly painted road markings.
✓ Roads with standing water or deep puddles.
Straight roads in dry weather.
Roads with loose chippings.

Standing water can collect in dips, ruts, or puddles, increasing the chance that tyres will lose grip.

Standing water on a road surface
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What should you do if another driver does not give way when they should?

412. What should you do if another driver does not give way when they should?

✓ Slow down and avoid a collision.
Maintain your speed because you have priority.
Accelerate so you pass through first.
Use the horn and continue at the same speed.

Even if you have priority, safety comes first. Slow down, stay calm, and avoid creating a dangerous situation.

Conflicting vehicle movements at a junction
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What should you do if the windscreen wipers stop working during heavy rain?

413. What should you do if the windscreen wipers stop working during heavy rain?

✓ Reduce speed and stop in a safe place as soon as possible.
Use the washer fluid repeatedly to clear the windscreen.
Continue slowly using the hazard lights.
Open a side window and continue driving carefully.

Do not continue when you cannot see clearly. Slow down smoothly and stop somewhere protected from traffic.

Windscreen wipers failing during heavy rain
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What does this dashboard symbol indicate?

414. What does this dashboard symbol indicate?

Engine-temperature warning.
Oil-pressure warning.
Charging-system warning.
✓ Diesel particulate filter warning.

This symbol indicates a problem with the diesel particulate filter (DPF), often because soot has accumulated in the filter. The vehicle may require regeneration or professional inspection, depending on the vehicle and warning status.

Diesel particulate filter warning symbol on the dashboard
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What should you do when entering a roundabout?

415. What should you do when entering a roundabout?

Stop and wait until the roundabout is completely empty.
Give way only to traffic in the lane nearest to you.
✓ Slow down, give way when required, and enter only when safe.
Enter if there is space, even if other traffic must slow down.

When approaching a roundabout, reduce your speed, observe traffic, follow the signs and local priority rules, and enter only when it is safe.

Vehicle at a roundabout entrance
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How can air conditioning help demist the windows?

416. How can air conditioning help demist the windows?

✓ By removing moisture from the air.
By increasing air recirculation.
By heating the rear window directly.
By opening the windows automatically.

Using the air conditioning can help demist the windows because it removes moisture from the cabin air. Directing this drier air towards the windscreen can clear condensation more quickly.

Air-conditioning controls used to demist the windscreen
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Why should you avoid sounding the horn near horses?

417. Why should you avoid sounding the horn near horses?

Horses cannot hear a vehicle horn clearly.
Using the horn gives the horse rider priority.
The horn may make the horse move faster.
✓ The noise may frighten them.

Horses can be startled by sudden or loud noises and may move unpredictably. Slow down, give them plenty of space, and avoid using the horn unless necessary.

Vehicle approaching a horse and rider
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Which licence category is mainly associated with buses?

418. Which licence category is mainly associated with buses?

Licence B.
Licence A.
Licence AM.
✓ Licence D.

Driving licence D is mainly associated with buses. Category D1 covers smaller buses, D covers larger buses, and D1E and DE allow heavier trailers.

Bus and category D driving licence
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What does this dashboard symbol indicate?

419. What does this dashboard symbol indicate?

The parking brake is applied.
✓ A door is open.
The airbag system has a fault.
The seat belt is not fastened.

This symbol indicates that one or more vehicle doors are not fully closed. Check that all doors are securely shut before driving.

Door-open warning symbol on the dashboard
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How may drivers normally use a phone while driving in Portugal?

420. How may drivers normally use a phone while driving in Portugal?

✓ Hands-free.
Handheld.
Either handheld or hands-free.
Only for texting.

When phone use while driving is permitted in Portugal, drivers must generally use a hands-free system rather than holding the phone.

Hands-free phone use inside a vehicle
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Which licence category is mainly associated with mopeds?

421. Which licence category is mainly associated with mopeds?

Licence C.
Licence D.
Licence B.
✓ Licence AM.

Driving licence AM is mainly associated with mopeds. Category AM covers mopeds with a design speed above 25 km/h and up to 45 km/h.

Moped and category AM driving licence
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What may happen when you press the accelerator fully in an automatic vehicle?

422. What may happen when you press the accelerator fully in an automatic vehicle?

✓ The transmission may shift to a lower gear for stronger acceleration.
The transmission selects Park.
The parking brake applies automatically.
The engine switches off.

In many automatic vehicles, pressing the accelerator fully can activate kickdown, causing the transmission to select a lower gear and provide stronger acceleration.

Accelerator-pedal operation for automatic kickdown
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Why is a microsleep especially dangerous while driving?

423. Why is a microsleep especially dangerous while driving?

It only affects your ability to hear.
It makes the steering feel heavier.
✓ You can lose awareness of the road for several seconds.
It usually makes you drive more slowly.

A microsleep is a brief, involuntary episode of sleep that can last for a few seconds. During that time, you may lose awareness of the road and travel a considerable distance without reacting to hazards.

Driver losing alertness at the wheel
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What should you do if birds are swooping at you while cycling?

424. What should you do if birds are swooping at you while cycling?

Accelerate as fast as possible to escape.
✓ Slow down, stay calm, and leave the area without provoking them.
Throw objects towards the birds.
Stop near the nest to see why they are swooping.

Some birds become territorial during the breeding season and may swoop people near their nests. Stay calm, avoid provoking or approaching the birds, and leave the area safely. If necessary and safe, dismount and walk your bicycle through or away from the area while keeping your helmet on.

Bird swooping near a cyclist
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What should cyclists do when passing pedestrians on a shared path?

425. What should cyclists do when passing pedestrians on a shared path?

✓ Slow down, give warning, and leave enough space.
Pass closely if there is not enough room.
Use your bell and keep the same speed.
Pass quickly before they change direction.

Pedestrians may change direction unexpectedly. A warning and safe passing distance reduce the risk of a collision.

Cyclist passing pedestrians on a shared path
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Which selector position is used to drive the vehicle backwards?

426. Which selector position is used to drive the vehicle backwards?

D (Drive).
✓ R (Reverse).
P (Park).
N (Neutral).

Select R (Reverse) when you need to drive the vehicle backwards. The vehicle should be stationary before selecting Reverse.

Automatic gear selector with P, R, N and D positions
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What should you do if the service brakes fail while driving?

427. What should you do if the service brakes fail while driving?

✓ Reduce speed using other available braking methods and stop safely.
Shift into neutral and let the vehicle coast to a stop.
Switch off the engine immediately while moving.
Continue slowly until the brakes begin working again.

Remain calm, warn other road users, and use other available braking methods to reduce speed. This may include engine braking or a lower gear, and careful use of the parking or emergency brake according to the vehicle's design. Steer toward the safest available stopping area.

Vehicle braking-system failure while driving
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What does this dashboard symbol indicate?

428. What does this dashboard symbol indicate?

Front fog lights.
Rear fog lights.
✓ Main beam.
Dipped headlights.

This symbol indicates that the main beam headlights are switched on. Main beam illuminates the road farther ahead but can dazzle other road users, so it should be changed to dipped headlights when necessary.

Main-beam headlight symbol on the dashboard
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How should you normally brake on a motorcycle?

429. How should you normally brake on a motorcycle?

Use only the front brake.
Alternate between the front and rear brakes.
Apply both brakes as suddenly as possible.
✓ Use both brakes smoothly and progressively.

During normal braking, use both the front and rear brakes smoothly and progressively. The front brake normally provides much of the braking force, while the rear brake also helps slow and stabilise the motorcycle. Sudden or poorly balanced braking can reduce stability or cause a wheel to lose grip.

Motorcyclist using the front and rear brakes
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What should you do if medicine makes you feel drowsy?

430. What should you do if medicine makes you feel drowsy?

Open a window to stay alert.
✓ Do not drive until the effect has passed.
Drive slowly and avoid motorways.
Drink coffee before driving.

If a medicine causes drowsiness, your concentration, judgement, and reaction time may be reduced. Do not drive until you are fit to do so and the effect has passed.

Drowsiness after taking medicine
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Why should you not ignore temporary speed limits?

431. Why should you not ignore temporary speed limits?

✓ They are used to protect people and manage hazards.
They apply only when traffic is congested.
They can be ignored when the road looks clear.
They apply only to road workers.

Temporary speed limits may be used near roadworks, accidents, events, or dangerous conditions. They help keep traffic safe.

Temporary speed-limit sign at roadworks
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What is the main emergency number in Portugal?

432. What is the main emergency number in Portugal?

911.
111.
✓ 112.
123.

The main emergency number in Portugal is 112.

112 emergency telephone number
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What is the purpose of heated door mirrors?

433. What is the purpose of heated door mirrors?

To fold the mirrors automatically.
To adjust the mirror angle.
To improve the headlights.
✓ To clear mist or ice from the mirror glass.

Heated door mirrors warm the mirror glass to help clear mist, condensation, or light ice and improve rearward visibility. On some vehicles, they operate together with the rear-window demister.

Heated door-mirror control and demisting function
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How should you approach a sharp bend on a mountain road?

434. How should you approach a sharp bend on a mountain road?

✓ Reduce speed before the bend and remain in your lane.
Overtake just before entering the bend.
Brake hard while turning through the bend.
Accelerate through the bend to maintain momentum.

Mountain bends may hide oncoming vehicles, cyclists, animals, or debris. Slow down before entering and keep a safe road position.

Sharp bend on a mountain road
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What should you do when approaching a narrow road with oncoming traffic?

435. What should you do when approaching a narrow road with oncoming traffic?

Continue first if you entered the narrow section earlier.
✓ Slow down and give space when needed.
Maintain your speed if there appears to be enough room.
Expect the oncoming driver to make room for you.

On narrow roads, reduce speed and be prepared to stop or use a suitable passing place. Leave enough space for the oncoming vehicle and avoid forcing either vehicle into an unsafe position.

Oncoming vehicles approaching a narrow stretch of road
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Why should you avoid stopping in a blind spot of a large vehicle?

436. Why should you avoid stopping in a blind spot of a large vehicle?

✓ The driver may not be able to see you.
Large vehicles always have priority when changing lanes.
Stopping beside a large vehicle makes you easier to see.
The driver can always see you in the mirrors.

Large vehicles have bigger blind spots. If you stop where the driver cannot see you, you may be at risk when the vehicle moves or turns.

Vehicle positioned in a large vehicle's blind spot
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Why should you leave extra space behind a vehicle carrying animals?

437. Why should you leave extra space behind a vehicle carrying animals?

Because they cannot use brake lights.
Because they cannot use their horn.
Because they must always travel in the centre of the road.
✓ Because it may move slowly or stop unexpectedly.

Vehicles transporting animals may accelerate slowly, take bends carefully, or brake gently to protect their load.

Vehicle following an animal transporter
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What should you do with the parking brake when parking on a slope?

438. What should you do with the parking brake when parking on a slope?

Leave it partly applied.
Release it completely.
Use it only if the engine is running.
✓ Apply it firmly.

When parking on a slope, apply the parking brake firmly to help prevent the vehicle from rolling. Selecting an appropriate gear or Park provides additional security.

Using the parking brake when parking on a slope
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What should you do about a chip in the windscreen?

439. What should you do about a chip in the windscreen?

Cover the chip so it cannot spread.
Ignore it if it is outside your direct view.
✓ Have it assessed and repaired promptly.
Wait until the chip becomes a larger crack.

A chip can obstruct your view, weaken the glass, and develop into a larger crack. Have it checked and repaired promptly.

Stone chip in a vehicle's windscreen
AI-generated by Rijbewijs-online.be • WCIT • CC BY-SA
What should you do at a railway crossing with warning lights flashing?

440. What should you do at a railway crossing with warning lights flashing?

✓ Stop before the crossing and wait until it is safe to proceed.
Cross quickly before the train reaches the crossing.
Follow the vehicle ahead across the tracks.
Continue if you cannot see or hear a train.

Flashing warning lights mean a train may be approaching. Stop before the crossing and wait until the warning has ended and the crossing is clear.

Flashing warning lights at a railway crossing
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What does this dashboard symbol indicate?

441. What does this dashboard symbol indicate?

✓ Power-steering warning.
Low tyre pressure.
Brake-system warning.
Charging-system warning.

This symbol indicates a possible fault with the power-steering system. Steering assistance may be reduced or unavailable, making the steering wheel harder to turn.

Power-steering warning symbol on the dashboard
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Which vehicles are normally covered by driving licence B?

442. Which vehicles are normally covered by driving licence B?

Buses carrying more than eight passengers.
✓ Cars and light vehicles up to 3,500 kg.
Heavy goods vehicles of any mass.
Goods vehicles up to 7,500 kg.

Category B normally covers motor vehicles with a maximum authorised mass of no more than 3,500 kg and designed to carry no more than eight passengers in addition to the driver. Trailer rules depend on the trailer and combined authorised mass.

Car covered by category B
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What does this dashboard symbol indicate?

443. What does this dashboard symbol indicate?

Charging-system warning.
Power-steering warning.
Brake-system warning.
✓ Airbag system warning.

This symbol indicates a possible fault in the airbag or supplementary restraint system. If it remains illuminated while driving, the system should be checked because one or more airbags or seat-belt pretensioners may not operate correctly in a collision.

Airbag-system warning symbol on the dashboard
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What should you do before crossing behind a bus or large vehicle?

444. What should you do before crossing behind a bus or large vehicle?

Listen for traffic and cross if you hear none.
Stay close behind the vehicle while crossing.
✓ Wait until you have a clear view of the road.
Cross as soon as the vehicle has stopped.

Large vehicles can block your view and hide you from drivers. Wait until you can clearly see the road before crossing.

Pedestrian preparing to cross behind a bus
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You should follow the vehicle in front as closely as possible in traffic.

445. You should follow the vehicle in front as closely as possible in traffic.

✓ False.
True.

You should keep a safe following distance so you have enough time to react if traffic slows or stops suddenly.

Vehicle following closely behind another vehicle
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What should you do after hitting an animal with your vehicle?

446. What should you do after hitting an animal with your vehicle?

Approach the animal immediately.
Move the animal yourself before checking for traffic.
Leave the scene and report it later.
✓ Stop safely, warn other traffic, and seek appropriate help.

After an animal collision, stop in a safe place if possible and protect yourself and other road users from further danger. Do not approach an injured or frightened animal unless it is safe to do so. Contact the appropriate police, road authority, animal service, or emergency service as required by the situation and local rules.

Vehicle stopped after a collision with an animal
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Does opening a window make an alcohol-impaired driver safe?

447. Does opening a window make an alcohol-impaired driver safe?

Yes, if you also drink some water.
✓ No, fresh air does not remove alcohol from the body.
Yes, if you feel more awake afterwards.
Yes, because fresh air helps you sober up.

Fresh air may make someone feel more awake, but it does not reduce their alcohol concentration or restore safe driving ability.

Open car window and an alcohol-impaired driver
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What should you do if traffic suddenly slows on a motorway?

448. What should you do if traffic suddenly slows on a motorway?

✓ Slow down smoothly and warn traffic behind if needed.
Brake suddenly as soon as you notice slower traffic.
Maintain speed until the vehicle ahead brakes.
Change lanes immediately to avoid slowing down.

When traffic slows suddenly, reduce speed smoothly, keep a safe distance, and use hazard lights if needed to warn following traffic.

Motorway traffic slowing ahead
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What is the minimum licence for an 8 m minibus designed for 16 passengers plus the driver?

449. What is the minimum licence for an 8 m minibus designed for 16 passengers plus the driver?

Licence C1.
✓ Licence D1.
Licence D1E.
Licence B.

Category D1 covers vehicles designed to carry no more than 16 passengers in addition to the driver and with a maximum length of 8 metres.

Minibus for up to 16 passengers plus the driver
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What should you do if the bonnet suddenly opens while you are driving?

450. What should you do if the bonnet suddenly opens while you are driving?

Accelerate briefly to try to close the bonnet.
✓ Look through any available gap, slow down smoothly, and stop safely.
Turn sharply toward the side of the road.
Brake hard immediately, even if traffic is behind you.

The bonnet may completely obstruct your view. Avoid sudden movements, use the road markings or available gap to maintain direction, and stop safely.

Raised bonnet obstructing the driver's forward view
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