Final answer:
To stay safe when your vehicle breaks down in cold, windy conditions, you should both stay in the vehicle cab and put on extra clothing to stay warm.
Step-by-step explanation:
In cold, windy conditions when your vehicle breaks down, the best thing to do to keep yourself safe is:
- Stay in the vehicle cab: The vehicle cab provides shelter from the cold and wind, keeping you safe from hypothermia and windburn.
- Put on extra clothing to stay warm: Layering your clothing and wearing insulated materials can help retain body heat.
Therefore, the correct answer is D. Both A and B.