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BDifficulty 1/5

What is the submarine effect in a collision?

Correct answer

The body slides underneath the lap belt.

The body slides underneath the lap belt, which fails to restrain it properly. It does not mean wearing a snug belt or misadjusting the head restraint. Reduce the risk by sitting correctly, avoiding excessive seat-back recline and wearing the belt without slack: the lap section low over the pelvis and the diagonal over the collarbone, between neck and shoulder.

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  • The belt fits snugly against the body without slack.

  • The body slides underneath the lap belt.

  • The head restraint is adjusted to an incorrect height.

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