I have consistently gotten in our car and let it run for a few minutes before I get into it on Wintertide nights. I do this for 2 reasons, or possibly several reasons; First, I want the oil furnace to get the car nice and moderate so that when I get in it it is all heated up. Second, I want the oil furnace and the defroster to work to get the ice crystals off of the front and back windshields. Third, I I have consistently thought that running the car so that it gets a little heated up before driving is for the engine. I recently study an article, though, that says you should not let your car run on cold Wintertide nights, all of us should just get in it and drive. Are you accustomed to heating up the engine before you start driving your car? I entirely do not know what the right answer is. There is a single thing I will say, though, and that is why do you like to have the oil furnace running when I get in the car and also have the oil furnace already done its task and made the car nice and warm. Do you think? I still entirely do not know, but I tend to suppose there is no problem with running the car and turning on the oil furnace while it’s still just idling in the driveway. I study something that letting your car idle particularly pulls the oil away from the necessary Parts where the oil is needed. I do not know about you, but I entirely want the oil furnace on in our car in the nights. Whether that means I have to wait and just turn the oil furnace on after I am ready to start driving or whether that means I should leave the car idling with the oil furnace running, I just do not know.