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For U.S.A.
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...

Foreword
Congratulations on choosing a SUBARU vehicle. This Owner’s Manual has all the information necessary to keep your SUBARU in excellent condition and to properly maintain the emission control system for ...

Fuel octane rating
This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Using a gasoline with a lower octane rating can cause pers ...