See also:

Manual tuning
Turn the “TUNE/TRACK/CH” dial clockwise to increase the tuning frequency and turn the “TUNE/TRACK/CH” dial counterclockwise to decrease it. Each time the dial is turned, the frequency inter ...

Turbo models
Except STI The engine is designed to operate using premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. If premium unleaded gasoline is not available, regular unleaded gasoli ...

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 ca ...