Why should you turn your vehicle’s front wheels to the right when parking facing uphill on the right side of a street without a curb?

• Because if the vehicle starts to move it will go off the road and not into traffic
  Explanation:

  "When parking facing uphill on a street without a curb, turn your front wheels to the right (toward the edge of the road). By doing this, if the vehicle starts to move it will go off the road and not into traffic."
• Because if the vehicle starts to move it will go into traffic and not off the road
• Because it is a requirement of a parking gear
• Because it prevents your vehicle from getting unlocked by any other means