Why do police cars sometimes have their lights flashing but the siren is off?
In: Other
Lots of reasons… Mostly because it’s unnecessary and disruptive in some cases. If traffic is already moving favorably, the siren can cause more issues than it solves. You learn how drivers react to different things and adjust accordingly. On the fire engines we have another option too with the growler that you can basically set at a certain level and let it spin which can be helpful for alerting pedestrians or cyclists or other cases where you don’t want the full siren. It’s a big part driver’s preference too… I’m personally on the less siren is better side; some guys leave it on the entire time. For me if I need you to move or I’m concerned about alerting at an intersection or blind turn, it’s on. Otherwise, and almost always at night, it’s off.
Source: drive fire engines.
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