Vehicle Questions and Answers
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The 2001 Toyota Highlander requires SAE 5W-30 oil, and Toyota suggests using full synthetic oil for oil changes. There are two common types of oil available nowadays: conventional, which is the traditional petroleum-based choice that's been used for years, and synthetic, which is a newer option designed to provide better wear protection and longer intervals between oil changes. Synthetic oil should be changed every 7,500 miles, in contrast to conventional oil, which typically needs to be changed every 3,500 to 5,000 miles. It's a good idea to check your oil at least once a month to ensure it is clean and at the proper level.
The 2001 Toyota Highlander requires "Toyota Genuine Motor Oil" or an equivalent to meet the recommended viscosity of 5W-30.