Subaru Legacy 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. ...

Rear differential oil temperature warning light (STI)
Reduce vehicle speed and park the vehicle in a safe place as soon as possible if the R.DIFF TEMP light illuminates. Continued driving with this light illuminated can damage the rear differential ...

Oil pressure warning light
If this light illuminates when the engine is running, it may indicate that the engine oil pressure is low and the lubricating system is not working properly. If the light illuminates whil ...