Practice question

What is the function of the battery master switch required on EX/III vehicles?

  1. To turn on emergency hazard lights automatically every 10 minutes
  2. To increase engine horsepower during steep uphill driving
  3. To recharge driver mobile phones while parked
  4. To break all electrical circuits near the battery in an emergency, operable from both inside the cab and outside the vehicle

Answer: D — To break all electrical circuits near the battery in an emergency, operable from both inside the cab and outside the vehicle

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