First, check to make sure the car's tailpipe isn’t blocked by snow or ice. You’ll be running the engine, so everything has to be clear. Start the engine and turn on the rear window defroster. Turn on ...

On older vehicles and smaller engines, the carburetor controls the mixture of fuel and air that reaches the engine. Here's how to keep it clean.

Want heat fast without wasting fuel? Start the car, wait 20–30 seconds, set the temp to high and fan to max. Use recirc only if windows are clear; use defrost to clear fog. Then drive gently—modern ...