Practice question

What does a yellow engine warning light on the driver's instrument panel indicate?

  1. The engine oil level is at maximum
  2. The engine control system has detected a fault that requires attention, but the bus can be driven to a safe parking area
  3. The fuel cap is missing or loose
  4. The passenger saloon air conditioning system needs cleaning

Answer: B — The engine control system has detected a fault that requires attention, but the bus can be driven to a safe parking area

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