Practice question

What should a driver do if the low air-pressure warning buzzer or light activates while driving a heavy vehicle with air brakes?

  1. Continue driving normally since it is a minor issue
  2. Stop safely as soon as possible, because braking capability may become unsafe if pressure continues to drop
  3. Increase speed to reach the destination before pressure drops further
  4. Turn off the warning light and continue

Answer: B — Stop safely as soon as possible, because braking capability may become unsafe if pressure continues to drop

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