During the cold winter months, when you have to drive somewhere, it might be tempting to turn your car on, say 10 or 20 minutes before you leave, to warm it up in advance.
Who doesn't like getting into a warm, toasty car on a freezing cold morning?! But it turns out that doing this could actually cause more harm than good.
This is according to driving expert Jason from Engineering Explained who told Road&Track how heating up the engine before setting off might prolong the warm-up period, instead of helping it.
Many people believe you should idle your car up to operating temperature, but this piece of wisdom is all to do with carburettors, a device that mixed air and fuel.
Read more on mirror.co.uk