Maintenance of a used car is crucial to get the benefits in a long run. The most important aspect of maintenance includes checking the engine, its exhaust system, steering, cooling and heating, steering and brakes, etc. If you’ve got your car from a used car sale online in New Zealand, then you can be a little carefree of checking and replacing the spark plugs with the iridium ones. They provide more mileage. You should rotate, align, and balance your tires to increase their longevity. Replacing the engine air filter, cabin air filter are some other preventive measures for a used car. Are you mindful of these measures?