When it comes to vehicle maintenance and upkeep, it’s important to be proactive, to take the initiative necessary to ensure proper functioning of your car or truck, but of course, it’s also important to be wise and discerning, and ultimately to act not just out of good intentions, but also out of real knowledge. There is perhaps no car maintenance mistake more common than simple neglect, but even among those who strive to take care of their cars, there are certain pratfalls and common blunders that should and can be avoided.