British Columbia ICBC Knowledge Test — Class 7L Practice Question
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Accuracy —
Rules of the Road
To prevent whiplash, your headrest should be adjusted so that:
Show Answer & Explanation
Correct Answer: A. The top is at or above the top of your ears
A headrest below the top of the ears allows the neck to hyperextend in a rear-end impact — the whiplash mechanism. Top of headrest should reach ear level or higher.
Why the other answers are wrong
- B.The bottom is at your shouldersToo low to catch the head.
- C.It rests against the neckContact while driving is not required.
- D.It is as low as possibleLow headrests are a whiplash risk.