See also:

Recommended grade and viscosity
Each oil manufacturer has its own base oils and additives. Never use different brands together. For details, refer to “Manual transmission, front differential and rear differential gear oil”. ...

If the light illuminates constantly
If the light illuminates constantly while driving or does not turn off after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by an ...

Revised 2.5-liter Boxer Engine with New 6-Speed Manual or CVT
The 2010 Subaru Legacy 2.5i models are powered by a revised 2.5-liter 4-cylinder Boxer engine, teamed for the first time to a new 6-speed manual transmission or the available new Lineartronic™ CVT ...