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Published 13 December 2020
Premium Conventional Oil: This is the standard new-car oil. All leading brands have these oils, which are available in several viscosities and tested under the latest API (Application Programming Interface) service level. Automakers usually specify 5W-20 or 5W-30 oil for colder temperatures, with 10W-30 oil as optional for higher ambient temperatures. These three ratings cover most light-duty vehicles on the road. Even more important, though, is changing the oil and filter regularly. We recommend changing your oil after every 4,000 miles or four months. The absolute minimum is twice a year. If your car has an electronic oil-change indicator on its instrument cluster, follow its guidance instead and be sure to reset it once your oil change is done.