See also:

Recommended fluid
NOTE Using any non-specified type of automatic transmission fluid could result in damage inside the transmission. When replacing the automatic transmission fluid, be sure to use the specified typ ...

Safety
Still think you can't have it all? Check out the Impreza's crash tests, which at the time of publication are the best in the Insurance Institute for Highway Safety's Small Car class, with top scor ...

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 ...