Question 1890 · Truck theory test
When should a driver use their vehicle’s hazard warning lights?
Pick an answer to test yourself.
Correct answer
When causing an unavoidable 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.
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