What should you do if you want to overtake a slow tractor but you're not sure if it's safe to do so? What should you do if you want to overtake a slow tractor but you're not sure if it's safe to do so?

• Possible answers:

   
• A. Follow another overtaking vehicle
• B. Sound your horn to signal the tractor driver to pull over
• C. Flash your headlights to oncoming traffic and then overtake
• D. Wait if you're in any doubt