Does anyone know what the fluorescent yellow or orange spots on UK police vehicles mean/represnt? They are usually on the rear quarter panel on the driver and passenger sides of the car and seem to be around 15 cm in diameter, also there is a larger one on the roof, presumably for helicopters and the worlds tallest man.
I remember searching a while back and found something saying it related to whether there were firearms onboard or not. However, i can't find this or any other articles/sites which say anything about it.
Anyone here know what they mean?
[edit] heres a pic of a car I painted up in Forza where I included a yellow spot on the bootlid, quarter panels and roof (not visible in pic!) to give you an idea of what I'm on about.

I remember searching a while back and found something saying it related to whether there were firearms onboard or not. However, i can't find this or any other articles/sites which say anything about it.
Anyone here know what they mean?
[edit] heres a pic of a car I painted up in Forza where I included a yellow spot on the bootlid, quarter panels and roof (not visible in pic!) to give you an idea of what I'm on about.

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