When are you not allowed to sound your vehicle's horn? When are you not allowed to sound your vehicle's horn?

• Possible answers:

   
• A. Between 10pm and 6am in a built-up area
• B. At any time in a built-up area
• C. Between 11:30pm and 7am in a built-up area
• D. Between 11:30pm and 6am on any road