Why the statement Rear Gear Engine Keep Distance is mentioned in some buses?

The statement "Rear Gear Engine Keep Distance" is often displayed on buses to ensure safety and prevent accidents. It serves as a warning to passengers and other road users that the engine is located at the rear of the vehicle, which can affect its maneuverability and stopping distance. By keeping a safe distance, drivers can avoid potential hazards associated with sudden stops or turns. This precaution is especially important in larger vehicles, where blind spots are more prevalent.