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BDifficulty 2/5

The submarining effect occurs when...

Correct answer

The seatbelt is unable to restrain the body adequately during an accident and the body slips underneath it.

The body slides beneath the lap belt and is not properly restrained. Keep the lap belt low across the pelvis, the belt snug and untwisted, and the backrest appropriately positioned without excessive reclining. The diagonal belt should run over the shoulder and chest. Incorrect positioning can promote this effect; proper adjustment reduces risk but cannot guarantee prevention in every impact.

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  • The seatbelt is unable to restrain the body adequately during an accident and the body slips underneath it.

  • The headrest is incorrectly adjusted.

  • The distance to the airbag is incorrect.

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