Welcome to the Auto Lube & Oil group of SmartGuy.com. Feel free to interact with other professionals from across the world. You can find professionals, find deals on services, find professionals who might barter, or simple post questions, comments, or suggestions. An auto lube and oil change is perhaps the simplest, most effective and inexpensive way to help protect the life of your car, especially its engine, is to change the oil and the oil filter regularly. Oil is the lifeblood of your engine and reduces friction, lessens wear, provides lubrication, forms a seal between the pistons, rings and cylinder walls while helping to cool engine parts.