SESK: Stuff Everyone Should Know · sesk.info/car-warm-up
It's 25°F outside. How long do you warm up a modern car?
About 30 seconds, then drive gently.
The Just Right card
Too littleScrape a peephole in the frost and go
Too muchLet it idle 10 to 15 minutes
Just rightAbout 30 seconds, then drive gently
Huh, didn't know that: The engine warms up faster being driven than idling.
I couldn't figure out how my seatbelt worked. Then it just clicked.
Sources
- U.S. Department of Energy guidance, quoted in Echo Press https://www.echopress.com/news/you-asked-how-long-should-you-idle-your-car-during-cold-weather
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