Which of the following should you do before driving?

• Lock the doors and fasten your seatbelt.
• Adjust your seat, head restraint, and seatback.
• Adjust your inside and outside rearview mirrors.
• All of the above
  Explanation:

  "Before driving, it’s essential to follow a series of safety steps: lock your doors, adjust your seat and seatback for comfort and control, properly position your head restraint, adjust your inside and outside rearview mirrors for optimal visibility, and fasten your seatbelt. "