How Often Should Fully Synthetic Motor Oil Be Changed?

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Fully synthetic motor oil is generally recommended to be changed every 10,000 kilometers or once a year. The specific replacement interval depends on the driving conditions. If the vehicle is primarily driven in urban areas where the engine frequently idles, it's advisable to shorten the replacement interval by approximately 1,000 kilometers or one month. For regions with significant temperature variations, it's important to use fully synthetic oil with a viscosity grade suitable for the temperature range. Motor oil consists of base oil and additives. The base oil is the primary component of lubricants, determining their fundamental properties, while additives compensate for and enhance the performance limitations of the base oil, providing additional beneficial characteristics. Additives are a crucial component of lubricants.