Practice question

While driving a heavy vehicle fitted with air brakes, the low air-pressure warning light and buzzer activate. What should you do?

  1. Continue to your destination and report the fault afterwards
  2. Pump the brake pedal rapidly to rebuild air pressure while moving
  3. Stop in a safe place as soon as possible and investigate the cause
  4. Switch off the engine immediately in the traffic lane

Answer: C — Stop in a safe place as soon as possible and investigate the cause

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Practice more: DRTS Heavy-Vehicle Theory Practice Questions - Botswana DRTS Heavy-Vehicle Driving Theory Test (Classes C, C1, EB, EC, EC1) Exam →