Most firefighters have used it. But do they really understand it? Firefighter Service isn't just a key you turn—it's a two-phase emergency control system that can save lives or create deadly confusion. Phase One recalls the elevators. Phase Two gives you manual control. But here's what separates trained departments from unprepared ones: knowing exactly what each phase does, when to use it, and why it exists in the first place. During fire emergencies, elevators can become traps. This system ensu