Subaru Forester Owners Manual

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Non-turbo models
The engine is designed to operate using unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher. ...

Tech Features
The optional navigation system includes a large screen with excellent graphics and plenty of street labels, but some simple actions — canceling route guidance, for instance — require an excessive ...

Fuel
NOTE The engine is designed to operate using unleaded gasoline. *1: If unleaded gasoline with an octane rating of 91 AKI (95 RON) is not available, unleaded gasoline with an octane rating of 87 ...