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BDifficulty 2/5

After a collision, you can safely reach a car’s controls. Which action helps prevent it moving and stops the engine?

Correct answer

Apply the parking brake and switch off the engine using its control.

Apply the parking brake and switch off the ignition or propulsion system using its intended control, where circumstances allow. Scene and personal safety take priority: do not expose yourself to danger to reach the vehicle or handle batteries or high-voltage components. The procedure depends on the vehicle, which may have no mechanical key. Suitable wheel chocks can supplement immobilisation where appropriate, but do not by themselves switch off the engine.

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  • Disconnect the battery yourself without assessing risks or understanding the system.

  • Leave the engine running and rely only on an improvised object under a wheel.

  • Apply the parking brake and switch off the engine using its control.

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