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QuizTraffic rulesMalaysia

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
Malaysia
True/false 17 Malaysia 20 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Show all 587
Why is a microsleep especially dangerous while driving?

101. Why is a microsleep especially dangerous while driving?

✓ You can lose awareness of the road for several seconds.
It makes the steering feel heavier.
It normally happens only when the vehicle is stopped.
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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which pedal is used to increase the vehicle's speed?

102. Which pedal is used to increase the vehicle's speed?

The footrest.
The brake pedal.
✓ The accelerator pedal.
The clutch pedal.

The accelerator pedal controls the amount of power delivered by the engine and is used to increase or maintain the vehicle's speed. It is the right-hand pedal.

Accelerator pedal in the driver's footwell
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do when passing pedestrians on a shared path?

103. 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.
Pass quickly before they change direction.
Assume they will hear you approaching.

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

Cyclist passing pedestrians on a shared path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do about a chip in the windscreen?

104. 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.
Clean the glass and continue driving normally.
✓ Have it assessed and repaired promptly.

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 Traffic-rules.com • WCIT • CC BY-SA
What should you do if fuel spills while you are refuelling?

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

Wash the spill away with water and continue refuelling.
Ignore the spill if only a small amount escaped.
Continue filling the tank and clean it up afterwards.
✓ 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 does this dashboard symbol indicate?

106. What does this dashboard symbol indicate?

Low tyre pressure.
Parking brake applied.
Electronic stability control.
✓ Anti-lock braking system warning.

This symbol indicates a possible fault with the anti-lock braking system (ABS). Normal braking may still be available, but ABS may not operate during heavy braking, so the system should be checked.

Anti-lock braking system warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should cyclists avoid riding in a large vehicle's blind spot?

107. Why should cyclists avoid riding in a large vehicle's blind spot?

Large vehicles always have priority when turning.
✓ The driver may not be able to see them.
The driver can always hear a cyclist beside the vehicle.
Blind spots matter only when a vehicle is reversing.

Buses and trucks have large areas where the driver cannot see cyclists, especially beside the vehicle and near turns.

Cyclist in a large vehicle's blind spot
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check after fitting a wheel?

108. What should you check after fitting a wheel?

✓ That the wheel nuts are tightened correctly.
That the wheel nuts are covered by the trim.
That the wheel can move slightly on the hub.
That the tyre is touching the wheel arch.

After fitting a wheel, make sure the wheel nuts are tightened correctly using the manufacturer's specified procedure and torque. Incorrectly tightened wheel nuts can loosen or damage the wheel. Recheck them later if the vehicle or wheel manufacturer recommends it.

Checking wheel nuts after fitting a wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

109. What does this vehicle-control symbol indicate?

✓ Seat heating.
Air conditioning.
Heated steering wheel.
Seat ventilation.

This control activates the seat heating, which warms the seat cushion and, on many vehicles, the backrest. Several heat levels may be available.

Heated-seat control and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the main emergency number in Malaysia?

110. What is the main emergency number in Malaysia?

111.
✓ 999.
911.
123.

The main emergency number in Malaysia is 999.

999 emergency telephone number
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should hard braking be avoided while a motorcycle is leaning in a bend?

111. Why should hard braking be avoided while a motorcycle is leaning in a bend?

It makes the motorcycle turn more sharply.
It increases tyre pressure immediately.
It prevents the suspension from working.
✓ It can reduce stability and available tyre grip.

When a motorcycle is leaning, the tyres are already using grip to turn. Hard braking can demand additional grip and may reduce stability. Whenever possible, adjust speed before the bend and use smooth, controlled inputs while cornering.

Motorcycle leaning while travelling through a bend
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a large animal suddenly enters your path?

112. What should you do if a large animal suddenly enters your path?

Swerve sharply into another lane.
✓ Brake firmly while keeping control of the vehicle.
Release the steering wheel and brake hard.
Turn suddenly toward the roadside.

If a large animal enters the road, brake firmly while keeping the vehicle under control. Avoid sudden swerving, as this can cause you to lose control or collide with other traffic.

Large animal entering a vehicle's path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

113. What does this vehicle-control symbol indicate?

✓ Exterior mirror folding.
Electric window control.
Exterior mirror adjustment.
Seat adjustment.

This control folds or unfolds the vehicle's exterior mirrors. It is useful when parking in narrow spaces or when leaving the vehicle parked.

Control for folding the exterior mirrors
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before releasing the parking brake on a slope?

114. What should you do before releasing the parking brake on a slope?

Select neutral and release all pedals.
✓ Make sure the vehicle is securely controlled before releasing it.
Turn the steering wheel fully.
Press the accelerator fully.

Before releasing the parking brake on a slope, make sure the vehicle cannot roll unexpectedly. Use the service brake or, when moving off in a manual vehicle, establish the clutch biting point and sufficient power before releasing the parking brake.

Preparing to release the parking brake on a slope
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

115. What does this vehicle-control symbol indicate?

Central door locking.
Window lock.
✓ Electric window control.
Child safety lock.

This control operates the vehicle's electric windows. Pressing or pulling the switch lowers or raises the corresponding window.

Switch for operating an electric window
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you normally hold the steering wheel while driving?

116. How should you normally hold the steering wheel while driving?

✓ With both hands in a balanced position.
With both hands together at the bottom.
With one hand at the top of the wheel.
With one hand resting on the gear lever.

Hold the steering wheel with both hands in a balanced position so that you can steer smoothly and react quickly. A position around nine and three o'clock generally provides good control.

Driver holding the steering wheel with both hands
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can mixing alcohol with medicine be dangerous for drivers?

117. Why can mixing alcohol with medicine be dangerous for drivers?

✓ The combination may increase drowsiness or impairment.
Medicine prevents alcohol from causing drowsiness.
Medicine can cancel out the effects of alcohol.
Alcohol leaves the body faster when taking medicine.

Some prescription and non-prescription medicines can intensify alcohol-related drowsiness, dizziness, poor coordination, or reduced concentration.

Alcohol and medicine as a driving-impairment risk
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you select R (Reverse) in an automatic vehicle?

118. 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 do with the steering wheel after completing a turn?

119. What should you do with the steering wheel after completing a turn?

✓ Guide it smoothly back towards the straight-ahead position.
Release it completely and let it spin freely.
Hold it in the turned position.
Turn it quickly in the opposite direction.

After completing a turn, guide the steering wheel smoothly back towards the straight-ahead position while maintaining control. Do not allow the wheel to spin freely through your hands.

Guiding the steering wheel back after a turn
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

120. What does this vehicle-control symbol indicate?

Headlight flash.
Hazard warning lights.
✓ Horn.
Cruise control.

This symbol indicates the horn control. The horn is used to warn other road users of your presence when necessary.

Vehicle horn control and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the charging-system warning light comes on?

121. What should you do if the charging-system warning light comes on?

Continue driving until the battery is completely discharged.
Restart the engine repeatedly to reset the warning.
Increase engine speed until the warning light goes out.
✓ Reduce electrical use, stop safely, and seek assistance.

The alternator or charging system may have failed. The vehicle may stop once the remaining battery charge is exhausted.

Charging-system warning illuminated on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does the ON position of a traditional ignition switch normally do?

122. What does the ON position of a traditional ignition switch normally do?

✓ Switches on the vehicle's electrical systems without operating the starter.
Locks the steering.
Switches off all electrical accessories.
Turns the starter motor.

The ON position normally switches on the vehicle's electrical and ignition systems without operating the starter motor. The engine is started by turning the key further to the START position.

ON position on a traditional ignition switch
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a red warning light appears with an unusual noise?

123. What should you do if a red warning light appears with an unusual noise?

Stop only if another warning light appears.
Ignore the noise if the warning light later goes out.
Wait until the next service to have it checked.
✓ Stop safely, switch off the engine, and seek assistance.

A red warning combined with an unusual noise may indicate a serious fault. Continuing could cause damage or loss of control.

Red dashboard warning requiring the driver's attention
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the general minimum legal tread depth for car tyres in Malaysia?

124. What is the general minimum legal tread depth for car tyres in Malaysia?

1.5 mm.
1.0 mm.
2.0 mm.
✓ 1.6 mm.

The general minimum legal tread depth for car tyres in Malaysia is 1.6 mm. Higher minimums may apply to winter tyres, during winter periods or in winter conditions.

Measuring tread depth on a vehicle tyre
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you approach a sharp bend on a mountain road?

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

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

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you never leave a child or pet alone in a parked vehicle on a warm day?

126. Why should you never leave a child or pet alone in a parked vehicle on a warm day?

The vehicle battery may discharge more quickly.
The windows may become difficult to open.
✓ The interior can heat up quickly and cause serious heat illness.
The tyres may lose pressure while the vehicle is parked.

The inside of a parked vehicle can heat up rapidly, even when the outside temperature does not feel extreme. Children and animals are particularly vulnerable to overheating and heatstroke. Leaving a window partly open does not make the vehicle safe.

Parked vehicle and the danger of interior heat
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be careful when driving beside a bus at a stop?

127. Why should you be careful when driving beside a bus at a stop?

✓ Passengers may step out or cross near the bus.
A stopped bus always has priority over passing traffic.
Vehicles beside a bus must always stop and wait.
Bus stops usually have a lower speed limit.

Stopped buses can hide pedestrians, and passengers may cross unexpectedly. Slow down and be ready to react.

Vehicle passing a bus at a stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do after stopping because of a breakdown?

128. What should you do after stopping because of a breakdown?

Leave the parking brake off if the road is level.
Stand behind the vehicle to warn approaching traffic.
Switch off the hazard lights once the vehicle has stopped.
✓ Apply the parking brake, switch off the engine, and use hazard lights.

Secure the vehicle so that it cannot move and use the hazard warning lights to alert approaching traffic. Where required and safe, place a warning triangle to give additional warning.

Broken-down vehicle with hazard warning lights
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid travelling with the seatback excessively reclined?

129. Why should you avoid travelling with the seatback excessively reclined?

It can prevent the head restraint from being adjusted.
It can cause the seat belt to lock during normal driving.
✓ It can reduce how effectively the seat belt restrains you.
It can cause the seat to slide forwards when braking.

An excessively reclined seat can affect how the seat belt fits and restrains your body and may increase the risk of sliding under the lap belt in a collision. Sit in a reasonably upright position so the lap belt stays low across the hips and the shoulder belt lies correctly across the chest.

Vehicle seat with an excessively reclined backrest
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should pets be carried safely in a vehicle?

130. How should pets be carried safely in a vehicle?

✓ Securely restrained so they cannot distract the driver or move dangerously.
Free to move around during short journeys.
Loose on the front passenger seat.
On the driver's lap if they remain calm.

A pet moving freely inside a vehicle can distract the driver and may be thrown around during sudden braking or a collision. Use a suitable carrier, harness, barrier, or other secure restraint appropriate for the animal and vehicle.

Pet travelling inside a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you not drive too close behind another vehicle?

131. Why should you not drive too close behind another vehicle?

It increases tyre pressure.
It makes your headlights less effective.
It causes the vehicle ahead to use more fuel.
✓ You may not have enough time to stop.

Driving too close, or tailgating, reduces the time and space available to react and increases the risk of a rear-end collision. Use defensive driving and keep a safe following distance.

Vehicle tailgating the traffic ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does the AUTO setting on the lighting control do?

132. What does the AUTO setting on the lighting control do?

✓ It switches the headlights on or off automatically when needed.
It flashes the headlights automatically.
It keeps the main beam switched on.
It switches on the front fog lights.

The AUTO lighting setting allows the vehicle to switch its exterior lights on or off automatically according to ambient light conditions. The driver remains responsible for ensuring that the correct lights are being used.

AUTO setting on the vehicle's lighting control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your main beam could dazzle another driver?

133. What should you do if your main beam could dazzle another driver?

Keep the main beam on unless the other driver flashes you.
Flash the main beam briefly before passing.
Move farther from the centre and keep the main beam on.
✓ Switch to dipped headlights.

Main beam can dazzle other road users and reduce their visibility. Switch to dipped headlights whenever your main beam could dazzle another driver.

Headlight glare affecting another road user
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if fog becomes so thick that you cannot see safely?

134. What should you do if fog becomes so thick that you cannot see safely?

Use main beam and keep driving.
✓ Slow down and stop in a safe location away from traffic if necessary.
Continue slowly by following the road markings.
Stop immediately in the traffic lane.

If visibility becomes dangerously poor, find a safe place to stop rather than continuing without being able to see clearly.

Dense fog obscuring the road ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you realise you have put the wrong fuel in your vehicle?

135. What should you do if you realise you have put the wrong fuel in your vehicle?

Start the engine and drive slowly to use the fuel.
Drive until the fuel warning light comes on.
✓ Do not start the engine, and seek assistance.
Add the correct fuel and continue driving.

If you have used the wrong fuel, do not start the engine. Starting it can circulate the incorrect fuel and cause further damage. If possible, avoid switching on the ignition and seek appropriate roadside or workshop assistance.

Fuel nozzle and the risk of misfuelling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does AUTO on a windscreen-wiper control normally do?

136. What does AUTO on a windscreen-wiper control normally do?

Sprays washer fluid automatically.
Operates only the rear wiper.
✓ Operates the wipers automatically when rain is detected.
Runs the wipers continuously at maximum speed.

When AUTO is selected, a rain sensor can operate the windscreen wipers automatically and adjust their operation according to the amount of moisture detected on the windscreen.

AUTO setting on the windscreen-wiper control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the pedestrian light is red?

137. What should you do if the pedestrian light is red?

Cross if there is a large enough gap in traffic.
Start crossing if the signal is about to change.
✓ Wait until it turns green.
Cross if another pedestrian has already started.

A red pedestrian signal means you should wait before crossing.

Red pedestrian signal at a crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if an EV charging cable or connector is damaged?

138. What should you do if an EV charging cable or connector is damaged?

Hold the damaged section away from the vehicle.
✓ Do not use it, and report or arrange repair of the damage.
Use it if the vehicle still begins charging.
Reduce the charging power and continue using it.

Do not use a damaged charging cable or connector. Damage can create a risk of electric shock, overheating, or fire. Use suitable undamaged charging equipment and report the fault or arrange professional repair or replacement.

Damaged electric-vehicle charging cable or connector
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do after a collision or hard fall?

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

Check only the bicycle and ignore minor injuries.
Test the bicycle by riding it before checking for damage.
✓ Check yourself and inspect the bicycle before riding again.
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 if you smell fuel or see fuel leaking from your vehicle?

140. What should you do if you smell fuel or see fuel leaking from your vehicle?

Drive slowly to the nearest fuel station.
Wash the leaking fuel away with water.
Ignore a small leak if the fuel level remains stable.
✓ Stop, switch off the engine, avoid flames or sparks, and call for assistance.

Leaking fuel creates a serious fire risk. Keep people away, do not restart the engine, and arrange professional assistance.

Fuel leaking from a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if steam begins coming from underneath the bonnet?

141. What should you do if steam begins coming from underneath the bonnet?

Open the coolant cap to release the pressure.
Pour cold water over the engine immediately.
✓ Stop safely, switch off the engine, and keep clear until it has cooled.
Keep the engine running so the cooling system keeps working.

Steam can indicate an overheated and pressurised cooling system. Do not remove the coolant cap while the system is hot.

Steam rising from underneath a vehicle's bonnet
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you slow down before a sharp bend?

142. Why should you slow down before a sharp bend?

To reduce fuel consumption.
To prevent other vehicles from overtaking.
To make the bend easier to see from a distance.
✓ To keep control of the vehicle.

Sharp bends reduce your view and can make the vehicle harder to control, so you should slow down before entering the bend.

Vehicle approaching a sharp bend
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should motorcyclists take extra care on wet metal covers?

143. Why should motorcyclists take extra care on wet metal covers?

They can increase the motorcycle's braking power.
✓ They can provide much less grip than the surrounding road.
They can make the suspension become stiffer.
They can make the tyres overheat.

Wet metal surfaces, such as drain or inspection covers, can provide much less grip than the surrounding road. Cross them smoothly, keep the motorcycle as upright as practical and avoid sudden braking, acceleration or steering.

Wet metal cover in a motorcycle's path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when driving near animals?

144. What should you do when driving near animals?

Maintain speed if they remain beside the road.
Move closer so you can pass before they react.
Flash your headlights repeatedly to warn them.
✓ Slow down and be ready to stop.

Animals can move unpredictably. Slow down, stay alert, and be prepared to stop safely.

Animals near moving road traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should a motorcyclist avoid riding in another vehicle's blind spot?

145. Why should a motorcyclist avoid riding in another vehicle's blind spot?

The motorcycle will use more fuel.
✓ The driver may not be able to see the motorcycle.
The motorcycle's indicators may be harder to see.
The vehicle ahead must always change lanes.

Motorcycles can be difficult to see, particularly when they remain in another vehicle's blind spot. Avoid staying alongside a vehicle where the driver may not see you, and choose a position where you are more likely to be visible.

Motorcycle in another vehicle's blind spot
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

146. What does this dashboard symbol indicate?

✓ Adaptive cruise control.
Electronic stability control.
Automatic start-stop system.
Lane-departure warning.

This symbol relates to adaptive cruise control (ACC). The system can maintain a selected speed and automatically adjust the vehicle's speed to help maintain a set distance from traffic ahead.

Adaptive cruise-control symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

147. What does this dashboard symbol indicate?

✓ A general warning requiring attention.
A brake-system fault.
An engine-management fault.
Electronic stability control.

This is a general or master warning symbol. It indicates that the vehicle has detected a condition requiring attention and is often accompanied by a message or another warning on the instrument display.

General warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can unnecessary weight affect a vehicle's energy use?

148. How can unnecessary weight affect a vehicle's energy use?

✓ It can increase the energy needed to move the vehicle.
It always reduces fuel consumption.
It reduces aerodynamic drag.
It makes the vehicle easier to accelerate.

Extra weight generally requires more energy when accelerating and climbing. Removing unnecessary heavy items can help reduce fuel or energy consumption while keeping all essential equipment in the vehicle.

Extra luggage adding weight to a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the power steering suddenly stops assisting you?

149. What should you do if the power steering suddenly stops assisting you?

Make sharp steering movements to test the remaining assistance.
Accelerate to make the steering easier.
Switch off the engine while moving to reset the system.
✓ Hold the wheel firmly, use greater steering effort, and stop safely.

The vehicle can normally still be steered, but much more effort may be required. Reduce speed and arrange an inspection.

Driver coping with a loss of power-steering assistance
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you check your mirrors before braking?

150. Why should you check your mirrors before braking?

✓ To know what is happening behind you.
To shorten the distance needed to stop.
To check whether the road surface is slippery.
To decide which gear to use while slowing down.

Checking your mirrors helps you understand what is happening behind you and anticipate how following traffic may react. In an emergency, do not delay necessary braking.

Driver checking following traffic before braking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA