Are you facing a car repair issue? For some car repairs you can do the job yourself if you have some knowledge about car maintenance. If you are turning to a professional, it is important to know how to find the best price from a reputable mechanic. Read these tips to learn more.Do you have a hard time starting your car? Your battery probably needs to be recharged or replaced. You need to check the state of charge of your battery. You can use a hydrometer or a voltmeter depending on the type of battery you have. If you have been regularly recharging your battery, it might be time for a new one.Make sure the oil in your vehicle is changed about every 3,000 miles. Waiting longer for an oil change can result in dirt and debris fouling your oil and that can damage your engine. If you use synthetic oil in your vehicle, you only need to change the filter every other oil change.Checking and repairing the air conditioning in your car is quite complex. If you need to have it checked or fixed, find a mechanic with an air conditioning certification. The gas used for air conditioning is potentially dangerous and this system is a lot more complex than the other parts in your vehicle.If your vehicle begins making a louder noise than usual, you should suspect the muffler needs replacing. This is a job best done at a shop because it is difficult to work under a car without a lift. You can get a warning or even a ticket if your muffler sounds too loud.If your vehicle seems to be leaking fluids, start by replacing the gaskets and seals. The most common area for leaks is where different parts join together. You may not need an expensive repair if the leak stems from one of these easily replaceable areas. If the leak continues after replacement, you may have a more extensive leak.Do not be afraid to ask a potential technician any questions you have. It is your vehicle that they will be working on and it is important that someone with the proper qualifications is handling it with care. In addition to asking about the problem with the vehicle, ask them any other questions you have about your car.If you think your headlines are not as bright as usual, inspect them for cleanliness. Sometimes there is a residue that covers them from the streets and that can make them dirty so they cannot put out enough light. Use glass cleaner to wash them thoroughly.Keep a spare tire and jack in your trunk. They are included with most new vehicles. Stuck on the side of the road with a flat tire is bad news. Stuck without a jack and spare tire is bad news and a big bill. Changing that tire yourself can save you the cost of towing.As with anything in life, the more informed you are about a subject, the better the outcome. That includes car repairs. Use the knowledge gained here to face car repairs more confidently. You don't have to be at the mercy of whatever a mechanic tells you. By understanding car repairs, you'll save significant money over your lifetime.