If you have a car, do you let it warm up for...

A minute or two? ( before using it) I was always under the impression to do that, hot or cold temps outside, to give engine a moment to run. Then once my friend did it too..she said, Im just giving it a minute to warm up ( her dad is a mechanic). But I see many just start it and go in one second. 🤔

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rfatoday · 61-69, M

I believe the engine management computer in today's vehicles will adjust the idle engine speed as needed to assure a sufficient "warm-up" period. Mine idles high for a minute or so then settles down to normal idle speed. I'd say start your car, fasten your seat belt, then drive. Many emergency vehicles (gasoline powered) are put into immediate action from a cold start without warm-up.

Punches · 46-50, F

@rfatoday

Many emergency vehicles (gasoline powered) are put into immediate action from a cold start without warm-up.

That is different though. One is because the driver doesn't own it and has little reason to care.
Two is because they do not have time to be gentle on their vehicles.