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QuizTraffic rulesBrazil

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.

Traffic signs
Traffic rules
Brazil
True/false 17 Brazil 24 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Show all 591
Does the priority-to-the-right rule apply in Brazil?

201. Does the priority-to-the-right rule apply in Brazil?

No.
✓ Yes.

In Brazil, the priority-to-the-right rule generally applies at uncontrolled intersections.

Vehicle approaching a junction from the right
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you normally do after completing an overtake?

202. What should you normally do after completing an overtake?

✓ Return to the normal driving lane when it is safe.
Slow down before returning to the normal lane.
Remain in the overtaking lane until another vehicle approaches.
Move back immediately in front of the vehicle you passed.

After overtaking, return to the normal driving lane when you have passed the other vehicle by a safe distance. Check your mirrors, signal when appropriate, and avoid moving back too soon.

Vehicle returning to its lane after overtaking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with the parking brake when parking on a slope?

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

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

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before a long journey to reduce the risk of driver fatigue?

204. What should you do before a long journey to reduce the risk of driver fatigue?

Avoid taking any breaks until you feel tired.
Drink several energy drinks before leaving.
✓ Get enough sleep before starting the journey.
Keep the cabin as warm as possible.

Getting enough sleep before a long journey helps reduce the risk of driver fatigue. Plan breaks in advance and avoid starting a long drive when you are already tired.

Rest and preparation before a long drive
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you normally do before selecting D or R in an automatic vehicle?

205. What should you normally do before selecting D or R in an automatic vehicle?

Apply the parking brake only.
Switch off the engine.
Press the accelerator pedal.
✓ Press and hold the brake pedal.

Before selecting D (Drive) or R (Reverse), keep the brake pedal pressed to prevent the vehicle from moving unexpectedly when the gear is engaged.

Holding the brake before selecting an automatic driving gear
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you select R (Reverse) in an automatic vehicle?

206. When should you select R (Reverse) in an automatic vehicle?

Whenever you want to reduce speed.
✓ After the vehicle has come to a complete stop.
While the vehicle is still moving forward slowly.
Before pressing the brake pedal.

Select R (Reverse) only after the vehicle has come to a complete stop. Selecting Reverse while the vehicle is still moving forward can damage the transmission.

Selecting Reverse in a stationary automatic vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you expect when lanes become narrower in roadworks?

207. What should you expect when lanes become narrower in roadworks?

All vehicles must drive in the centre of the lane.
Large vehicles must stop before entering the narrow section.
✓ Less space between your vehicle, barriers, and other traffic.
The speed limit automatically increases.

Narrow lanes leave less room for error. Keep a steady position, avoid drifting toward barriers or nearby vehicles, and reduce speed if necessary.

Narrow traffic lanes through roadworks
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid driving too close to the edge of the road?

208. Why should you avoid driving too close to the edge of the road?

✓ The edge may be uneven or weak.
It can make your speed harder to judge.
It can reduce the effectiveness of your mirrors.
It can make oncoming traffic harder to see.

Road edges can be soft, uneven, or damaged. Driving too close to the edge can reduce control or cause the vehicle to leave the road.

Vehicle travelling close to the road edge
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do after a collision or hard fall?

209. What should cyclists do after a collision or hard fall?

Check only the bicycle and ignore minor injuries.
✓ Check yourself and inspect the bicycle before riding again.
Check only the parts that were directly involved in the fall.
Continue if you feel fine and the bicycle looks normal.

A fall can damage the brakes, wheels, frame, handlebars, or helmet. Injuries may also not be immediately obvious.

Checking a bicycle after a fall or collision
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with the ignition key once the engine starts?

210. What should you do with the ignition key once the engine starts?

Keep holding it in the START position.
✓ Release it so it returns from START to ON.
Remove it from the ignition.
Turn it immediately to ACC.

Once the engine starts, release the ignition key so it returns from START to the ON position. Holding the key in START unnecessarily can keep the starter motor engaged.

Releasing the ignition key after the engine starts
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should heavy items be placed low and evenly distributed?

211. Why should heavy items be placed low and evenly distributed?

To increase the available luggage space.
✓ To help keep the vehicle stable.
To reduce fuel consumption.
To reduce wear on the engine.

A high or uneven load can make the vehicle unstable, especially during braking, cornering, or sudden steering.

Heavy luggage positioned low in a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid placing objects on or over an airbag cover?

212. Why should you avoid placing objects on or over an airbag cover?

✓ They could interfere with deployment and become dangerous projectiles.
They could cause the airbag warning light to stay on.
They could make the dashboard harder to clean.
They could make the airbag deploy too slowly.

Do not place or attach objects over an airbag cover or in an airbag's deployment area. They may interfere with the airbag as it inflates and could be thrown towards occupants when the airbag deploys.

Objects placed over a vehicle's airbag cover
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be especially alert for wild animals at dawn and dusk?

213. Why should you be especially alert for wild animals at dawn and dusk?

Animals cannot see vehicles during daylight.
Speed limits change automatically at dawn and dusk.
✓ Many animals are more active at these times.
Road signs are harder for animals to recognise.

Many wild animals are most active around dawn and dusk, when visibility may also be reduced.

Wild animal beside a road in low light
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check shortly after securing a load?

214. What should you check shortly after securing a load?

Check the load only when you reach your destination.
Loosen the restraints slightly after the load has settled.
Increase speed briefly to test the restraints.
✓ Stop safely and check that the restraints are still tight.

Loads and straps may settle or loosen after the journey begins. Recheck them at a safe stopping place.

Rechecking straps securing a vehicle's load
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if traffic ahead is blocking a junction?

215. What should you do if traffic ahead is blocking a junction?

Enter the junction and wait for traffic to move.
Use the horn so traffic ahead moves forward.
✓ Wait until there is enough space to clear the junction.
Enter if the traffic light is green.

Do not enter a junction if traffic ahead prevents you from clearing it safely. Waiting before the junction helps avoid blocking crossing traffic, pedestrians, cyclists, or other road users.

Queue of traffic blocking a junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You do not need to look for cyclists when opening your car door.

216. You do not need to look for cyclists when opening your car door.

True.
✓ False.

You should always check for cyclists, motorcyclists, and other road users before opening a door.

Cyclist near the door of a parked car
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What colour is a stop sign usually?

217. What colour is a stop sign usually?

Blue.
Yellow.
✓ Red.
White.

Stop signs are almost always red because red is universally associated with danger and the need to stop immediately.

Red octagonal stop sign
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check after fitting a child restraint?

218. What should you check after fitting a child restraint?

That the restraint can move freely on the seat.
That the seat belt is routed in any convenient way.
That the restraint is tilted as far back as possible.
✓ That it is securely installed and correctly fitted.

A child restraint should be installed securely and used according to the manufacturer's instructions. Check that the seat is firmly attached, the belt or ISOFIX connection is correct, and the child is restrained properly before driving.

Checking the installation of a child car seat
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

219. What does this dashboard symbol indicate?

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

This symbol indicates that the sidelights, also known as position or parking lights, are switched on. They help make the vehicle visible to other road users but provide little illumination of the road ahead.

Sidelight indicator symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should cyclists cross railway or tram tracks?

220. How should cyclists cross railway or tram tracks?

Follow the rails briefly before crossing them.
✓ Cross at a safe angle, as close to perpendicular as possible.
Increase speed so the wheels cannot get caught.
Brake firmly while the front wheel is on the rail.

A bicycle wheel can become trapped in a rail groove. Crossing at a wider angle reduces this risk.

Cyclist crossing rails in the road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if it is unsafe to leave a stranded vehicle?

221. What should you do if it is unsafe to leave a stranded vehicle?

Switch off all lights to preserve the battery.
Try to push the vehicle out of the traffic lane.
✓ Stay inside, use hazard lights, and call the emergency services.
Leave the vehicle and wait beside it for help.

If leaving the vehicle would put you in greater danger, remain restrained, make the vehicle visible, contact the emergency services, and follow their instructions.

Vehicle stranded among moving traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why must you take wider turns when towing a trailer?

222. Why must you take wider turns when towing a trailer?

Wider turns reduce the trailer's stopping distance.
Wider turns decrease tyre wear.
✓ The trailer follows a tighter path than the towing vehicle.
The trailer always follows the same path as the towing vehicle.

Trailer wheels cut closer to the inside of a turn. Allow enough clearance from kerbs, signs, pedestrians, and other vehicles.

Towing vehicle and trailer negotiating a turn
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if fuel spills while you are refuelling?

223. What should you do if fuel spills while you are refuelling?

Ignore the spill if only a small amount escaped.
Continue filling the tank and clean it up afterwards.
Wash the spill away with water and continue refuelling.
✓ Stop refuelling, avoid ignition sources, and alert station staff.

If fuel is spilled, stop refuelling immediately and keep flames, sparks, and other ignition sources away. Do not start the vehicle until the situation is safe. Alert filling-station staff and follow their instructions for dealing with the spill.

Fuel spilled during refuelling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What may happen when you press the accelerator fully in an automatic vehicle?

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

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

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if another road user makes a mistake?

225. What should you do if another road user makes a mistake?

Use your horn repeatedly to express your frustration.
Immediately overtake them to get past the situation.
✓ Stay calm and avoid creating more danger.
Drive closer so they notice your presence.

Road users can make mistakes. Staying calm and reacting safely helps prevent crashes.

Driver responding to another road user's mistake
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the accelerator becomes stuck while you are driving?

226. What should you do if the accelerator becomes stuck while you are driving?

Keep driving and wait for the accelerator to release.
✓ Select neutral, brake firmly, and steer to a safe stopping place.
Switch off the engine immediately before selecting neutral.
Apply the parking brake sharply while moving.

Selecting neutral disconnects engine power from the wheels. Brake firmly, maintain steering control, and switch off the engine after stopping safely.

Stuck accelerator pedal in a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is a danger of driving a petrol or diesel vehicle with the boot or tailgate open?

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

The vehicle can become too heavy at the rear.
The rear window demister may stop working.
✓ Exhaust fumes can be drawn into the passenger compartment.
The boot warning light may remain on.

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why is it important to use bicycle lights at night?

228. Why is it important to use bicycle lights at night?

They give cyclists priority over other traffic.
They make reflective clothing unnecessary.
They are needed only on roads without street lighting.
✓ They help you see and help others notice you.

Front and rear lights improve visibility and make it easier for drivers, cyclists, and pedestrians to detect you.

Bicycle lights used when riding at night
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should adjust your mirrors before you start driving.

229. You should adjust your mirrors before you start driving.

✓ True.
False.

Properly adjusted mirrors improve visibility and help you monitor traffic around your vehicle.

Driver adjusting a mirror before setting off
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should unnecessary engine idling be avoided?

230. Why should unnecessary engine idling be avoided?

✓ It uses fuel without moving the vehicle.
It prevents the battery from charging.
It always causes the engine to overheat.
It immediately damages the brakes.

An idling combustion engine uses fuel while the vehicle is stationary. Avoid unnecessary idling where it is safe and appropriate to switch the engine off, taking account of the vehicle manufacturer's instructions and local rules.

Stationary vehicle with its engine idling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you miss your motorway exit?

231. What should you do if you miss your motorway exit?

Turn around if traffic is light enough.
Cross the painted separation area back to the exit.
Use an emergency opening in the central reservation.
✓ Continue to the next exit.

Never reverse or make a sudden manoeuvre. Continue safely and change your route at the next suitable exit.

Vehicle continuing past a motorway exit
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should a motorcyclist do when approaching loose gravel?

232. What should a motorcyclist do when approaching loose gravel?

Accelerate sharply to cross it quickly.
Lean the motorcycle more than usual.
Turn suddenly to avoid every loose stone.
✓ Reduce speed before reaching it and use smooth controls.

Loose gravel can significantly reduce tyre grip. Reduce speed before reaching it, keep the motorcycle as upright as practical, and avoid sudden braking, acceleration or steering while crossing the loose surface.

Motorcyclist approaching loose gravel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do when cycling downhill?

233. What should cyclists do when cycling downhill?

✓ Control your speed and keep both hands ready to brake.
Let the bicycle gain speed while the road ahead is clear.
Look only at the road directly in front of you.
Use only one brake to reduce the risk of skidding.

Higher speed increases stopping distance and reduces reaction time. Maintain a speed that allows you to stop safely.

Cyclist riding down a hill
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you leave a broken-down vehicle when traffic is passing nearby?

234. How should you leave a broken-down vehicle when traffic is passing nearby?

Leave through the door nearest moving traffic.
Stand beside the vehicle before moving away.
✓ Use the door furthest from moving traffic when it is safe to do so.
Walk around the vehicle on the traffic side.

Leaving through the side away from traffic reduces the risk of being struck by a passing vehicle.

Leaving a broken-down vehicle away from passing traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

235. What does this dashboard symbol indicate?

Front windscreen demister.
✓ Rear window demister.
Air conditioning.
Windscreen washer.

This symbol indicates the rear window demister. It heats the rear window to help clear condensation, mist or frost and improve visibility.

Rear-window demister symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid resting your foot on the clutch pedal while driving?

236. Why should you avoid resting your foot on the clutch pedal while driving?

It can lock the steering.
✓ It can cause unnecessary clutch wear.
It can increase tyre pressure.
It can apply the parking brake.

Resting your foot on the clutch pedal can apply slight pressure to the clutch mechanism and cause unnecessary wear. Keep your left foot off the clutch when it is not needed.

Foot position near the clutch pedal
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid following another vehicle too closely in fog?

237. Why should you avoid following another vehicle too closely in fog?

✓ You may have too little time to react if it brakes suddenly.
To keep the windscreen clearer.
To reduce fuel consumption in poor visibility.
To increase stopping distance.

Following too closely reduces your reaction time and can lead to a collision if the vehicle ahead slows unexpectedly.

Following another vehicle in fog
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the bonnet suddenly opens while you are driving?

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

✓ Look through any available gap, slow down smoothly, and stop safely.
Brake hard immediately, even if traffic is behind you.
Accelerate briefly to try to close the bonnet.
Continue driving by looking through the side window.

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the service brakes fail while driving?

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

Shift into neutral and let the vehicle coast to a stop.
Apply the parking brake suddenly at full force.
✓ Reduce speed using other available braking methods and stop safely.
Switch off the engine immediately while moving.

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you notice an unfamiliar fluid underneath your vehicle?

240. What should you do if you notice an unfamiliar fluid underneath your vehicle?

Assume a small leak is harmless condensation.
Top up the fluid levels and continue driving.
Wait until the vehicle develops another problem.
✓ Do not ignore it. Identify the fluid and arrange an inspection if necessary.

Clear water from air conditioning can be normal, but oil, coolant, fuel, transmission fluid, or brake fluid may indicate a fault requiring urgent attention.

Fluid leaking underneath a parked vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid resting your hand on the gear lever while driving?

241. Why should you avoid resting your hand on the gear lever while driving?

It can apply the parking brake.
It can disengage the clutch.
✓ It can cause unnecessary wear in the gear-selection mechanism.
It can increase engine speed.

Resting your hand on the gear lever can place unnecessary pressure on parts of the gear-selection mechanism and contribute to wear. Keep both hands on the steering wheel when you are not changing gear.

Driver's hand resting on a manual gear lever
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What information is needed when requesting emergency assistance?

242. What information is needed when requesting emergency assistance?

Your vehicle colour and approximate location.
Only the road name and nearest town.
✓ Your exact location, direction of travel, vehicle details, and the problem.
Your name, destination, and planned route.

Road numbers, junctions, location markers, direction of travel, and a clear description of the incident help assistance reach you quickly.

Requesting help after a vehicle breakdown
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the purpose of a pedestrian crossing?

243. What is the purpose of a pedestrian crossing?

To give pedestrians priority throughout the whole street.
✓ To help pedestrians cross the road safely.
To separate pedestrians from cyclists along the road.
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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your vehicle develops a serious fault while driving?

244. What should you do if your vehicle develops a serious fault while driving?

✓ Keep control, reduce speed, and move to a safe place if possible.
Stop immediately in the traffic lane.
Continue driving until the vehicle stops by itself.
Accelerate to see if the fault disappears.

Your first priority is to keep control of the vehicle. Reduce speed smoothly and move out of the path of traffic where possible, signalling when appropriate. Avoid harsh steering or braking unless necessary.

Vehicle stopped after developing a mechanical fault
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should the interior rear-view mirror be adjusted?

245. How should the interior rear-view mirror be adjusted?

To point towards the left door mirror.
To show the driver's face.
✓ To give a clear view through the rear window.
To show mainly the rear seats.

Adjust the interior rear-view mirror before driving so that you have a clear view through the rear window without needing to move your head significantly.

Adjusting the interior rear-view mirror
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the purpose of the anti-dazzle control on the rear-view mirror?

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

✓ To reduce glare from headlights behind.
To adjust the exterior mirrors.
To enlarge the view behind.
To heat the rear window.

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be careful when taking more than one medicine before driving?

247. Why should you be careful when taking more than one medicine before driving?

They can change the tyre pressure.
✓ Their combined effects may impair your ability to drive.
They usually make road signs harder to see.
They may make the vehicle use more fuel.

Different medicines can interact or have combined side effects such as drowsiness, dizziness, blurred vision, or slower reactions. Check the instructions and seek advice from a doctor or pharmacist if you are unsure whether it is safe to drive.

Multiple medicines and their potential effects on driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you keep a safe following distance?

248. Why should you keep a safe following distance?

To keep traffic moving at a steady speed.
✓ To have enough time to stop.
To make overtaking easier.
To make your vehicle easier to see ahead.

A safe following distance gives you enough time to react if the vehicle in front slows down or stops suddenly.

Gap between a vehicle and the traffic ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why are roads especially slippery during rain after a dry period?

249. Why are roads especially slippery during rain after a dry period?

Rain temporarily reduces the weight of the vehicle.
Cold rain quickly reduces the tyre pressure.
✓ Oil, dust, and dirt mix with water on the road surface.
Tyres need time to adjust to a wet road.

After a dry period, oil and dirt can build up on the road. The first rain mixes with them and can make the surface very slippery.

Rain falling on a road after dry weather
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the purpose of heated door mirrors?

250. What is the purpose of heated door mirrors?

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

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA