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Toyota recommends SAE 0w-20 as the best choice for your Highlander in cold climates and for fuel economy. You can use SAE 5w-20 but it is not the best choice. You can only purchase SAE 0w-20 in a Synthetic Oil so you can extend your oil/filter change interval to at least 7,000 miles or 10,000 miles if you drive mainly highway miles. Do not use any other weight oil.


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10y ago

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