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” F12-6 ...

Immobilizer
FCC WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. The immobilizer system is designed t ...

Rear differential gear oil
There is no rear differential gear oil level gauge. To check the rear differential gear oil level, consult your SUBARU dealer for inspection. ...