Eight Facts About Warming Up Your Car in Winter- Yahoo! Autos Article Page
Shut off your car if you are idling for more than 10 seconds? This must be propaganda from a starter motor manufacturer. You will be replacing your starter every year if you do that.
Although these factoids can be helpful, I think it’s very dependent on the car. But their fact about driving instead of idling to warm up the car faster is generally wrong. The faster the engine turns the faster the coolant is spread around the engine block. In addition, the faster the car is moving, the faster the radiator fan is spinning.