I'm sure we all have a few things that may be normal, abnormal or just plain quirky that gets on our nerves. So, in lue of this, what is that one thing (or many things) that really ticks you off? That really makes you want to, I don't know, just get up and walk away or apply a palm to your face as so

?
I'll start with one of my very small pet peeves.
I hate it when people refer to their Malfunction Indicator Lamp (MIL) as a Check Engine Light (especially when they call it a CEL...). Yes, the term is frequented often, but come on!! It's a MIL people