Final answer:
When parking downhill, your wheels should be turned towards the curb or the side of the road to prevent the vehicle from rolling forward.
Step-by-step explanation:
When parking downhill, your wheels should be turned towards the curb or the side of the road.
This is to prevent the vehicle from rolling forward in case the parking brake fails.
By turning the wheels towards the curb, the curb acts as a barrier and prevents the car from rolling down the hill.