When most people think about winter driving, they focus on handling challenges: snow, ice, and wet roads. Extremely low temperatures can have their own deleterious effects on your vehicle, however, which can be mitigated by following these Nine Ways to Winterize Your Car (via The Art of Manliness):
If you owned a car before 1980, winterizing your car was a necessary and often elaborate ritual to keep your car running in tip-top shape during the cold weather months. Fortunately, modern cars don’t require the same extensive winterization routines. Auto technology allows cars to start in the coldest weather without their owners having to do anything special.
With that said, there are still a few things you can do before Jack Frost starts nipping at your windshield to ensure you have a well running vehicle this winter.
In most situations, adjusting your oil viscosity and antifreeze mixture, followed by a battery load test at your local mechanic's or autoparts store, is more than sufficient. With older or second-hand vehicles, on the other hand, it's a very good idea to check your belts and hoses.