What should you do to warn other drivers if you need to stop due to vehicle trouble?

• Speed up suddenly to make space.
• Honk your horn repeatedly.
• Turn on your emergency flashers or use turn signals if your vehicle lacks flashers.
  Explanation:

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  If you need to stop due to vehicle trouble, you can give other drivers warning signals by turning on your emergency flashers. If your vehicle does not have emergency flashers, use your turn signals.

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• Turn off all vehicle lights to conserve energy.