Alberta Class 3 Drivers License Practice Exam

Where should chocks be placed when parking on a downhill slope?

Behind the rear wheels On the left side of the vehicle In front of the front wheels Next to the fuel cap

Correct Answer:

In front of the front wheels

Explanation:

When you’re parked on a downhill slope, the vehicle would tend to roll forward toward the bottom if the brakes let go. Chocks should be placed against the wheels on the downhill side to block that forward movement, specifically in front of the front wheels. This stops the car from rolling down the slope even if the parking brake slips a notch. The other options wouldn’t prevent forward roll: placing chocks behind the rear wheels wouldn’t stop forward movement, and placing them next to the fuel cap or on the left side has no effect on wheel stability. Remember to use the chocks in addition to the parking brake when on any grade.

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