Practice question

A diesel coach shows a low AdBlue warning during the daily check. What is the best action?

  1. Ignore it because AdBlue is not a safety item
  2. Top up or report it according to the operator's procedure before departure
  3. Dilute the AdBlue tank with water
  4. Switch off emissions controls for the shift

Answer: B — Top up or report it according to the operator's procedure before departure

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