Question 1375 · Truck theory test
When should a driver use their vehicle’s hazard warning lights?
Pick an answer to test yourself.
Correct answer
When broken down and causing an obstruction.
Official explanation
Use the hazard warning lights to warn other road users of a danger ahead. For example, if a driver's vehicle is causing an unavoidable obstruction, such as being broken down, they should use the vehicle's hazard warning lights to warn other road users of their presence.
- Topic
- Managing risk · Incidents and Collisions
- Also in
- This question also appears in the bus theory test.
Practise this topic in the app
Free demo questions for every topic, progress saved, a full mock exam in the official format.
Got it wrong, or had to think? That is one of 909 questions the truck theory test can draw from. Sit the truck mock exam in the official format (100 questions, 120 minutes, pass mark 74) and see how many more you would miss.
Related questions
- What action should a driver take if they are out making an urgent delivery and notice that some of the twist locks or container securing devices are broken?
- In the event of a breakdown or incident on a regional road, how should the driver warn following traffic?
- When towing a trailer a warning device or flag must be attached to a drawbar when it exceeds what length?
- What easily determines the contents of fire extinguishers?
- What should a driver be aware of when gaining access to the top of a tanker?
What does this light mean?