Chapter 2-21: Headlights

The “Headlights” section of the SGI Driving Knowledge Test evaluates your understanding of proper headlight use for safe driving in various conditions.

Saskatchewan Driving Test - Chapter 2-21: Headlights

1 / 12

On which type of road are you not required to dim your headlights for oncoming traffic?

On gravel roads only

On any road with a speed limit under 60 km/h

On a divided highway where the distance between roadways is 22 m (70 ft.) or more

On any highway at night

2 / 12

What must you do to avoid blinding other drivers with your headlights?

Use high beams at all times

Only use daytime running lights at night

Drive without headlights in well‑lit areas

Ensure your headlights are properly adjusted and in working order

3 / 12

When following another vehicle, how must you use your headlights?

Switch repeatedly between high and low beam

Keep headlights on low beam within 100 m (330 ft.) of the vehicle ahead

Turn headlights off if the vehicle in front has bright lights

Use high beams to see past the vehicle ahead

4 / 12

Why must you turn your headlights on at night instead of relying only on daytime running lights?

Daytime running lights are too bright at night

The law prohibits daytime running lights at night

Daytime running lights drain the battery faster

Some vehicles’ daytime running lights do not turn on the tail lamps, making it dangerous to drive at night

5 / 12

What should you do if you suspect you have a glare recovery problem?

Stop driving only at night and keep driving in the day

Rely only on high beams to overcome glare

Drive closer to the center line to see better

Have your eyes checked by an ophthalmologist or optometrist

6 / 12

When following another vehicle, how must you use spotlamps or auxiliary driving lights?

Flash them to signal you want to pass

Use them only on curves

Keep them on at all times for better visibility

Keep them turned off within 500 m (1,640 ft.) of the vehicle ahead

7 / 12

When using high beams, when must you dim your headlights for oncoming vehicles?

Only on two-lane roads

When you are about 50 m away from the other vehicle

At least 200 m (650 ft.) in advance of oncoming vehicles

Only when the other driver flashes their lights at you

8 / 12

When are you required by law to use your headlights?

Only when it is raining heavily

From half an hour after sunset until half an hour before sunrise, and whenever visibility is poor

Only after it becomes completely dark

Only when street lighting is poor

9 / 12

Why is it recommended to have your lights on at all times, even during the day?

It keeps the battery fully charged

It makes it easier to use high beams at night

Vehicles driven with lights on at all times are much less likely to be involved in collisions

It helps save fuel

10 / 12

Approximately how long can glare recovery take after being exposed to oncoming headlights for some older drivers?

Exactly 5 seconds for everyone

Up to 10 seconds

Up to 25 seconds

Less than 1 second

11 / 12

When must you turn off any spotlamps for oncoming vehicles?

Only in urban areas

At least 100 m (330 ft.) before the oncoming vehicle

At least 500 m (1,640 ft.) before the oncoming vehicle

Only when the other driver flashes their lights

12 / 12

What is a realistic time interval to dim your high beams for an oncoming vehicle when driving at 100 km/h?

At the same moment you pass each other

Exactly 20 seconds before the vehicles meet

Between 9 and 12 seconds before the vehicles meet

Only 2 to 3 seconds before the vehicles meet

Your score is

This section covers when to use low and high beams, the importance of turning on headlights in poor visibility, such as rain, fog, or dusk, and legal requirements for headlight operation. Drivers are also tested on how to avoid blinding other motorists by dimming high beams when approaching or following another vehicle. Mastery of these rules ensures optimal visibility and safety for everyone on the road. Proper use of headlights is essential for both day and night driving in Saskatchewan.

To enhance your understanding, it is beneficial to engage in the SGI practice test study questions until you are able to articulate the concepts clearly without needing to refer to your notes. This method will strengthen your grasp of the material and improve retention.