See also:

Air filtration system
Replace the filter element according to the replacement schedule as follows. This schedule should be followed to maintain the filter’s dust collection ability. Under extremely dusty conditions ...

2010 Subaru Legacy review
The 2010 Subaru Legacy's redesign has been long overdue. Its sophisticated new look is sleek, but as Mom always says it's what's on the inside that counts. The sedan's redesign added nearly 4 inch ...

Recommended grade and viscosity
Use only engine oil with the recommended grade and viscosity. Refer to “Engine oil”. NOTE Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity provide better fuel econ ...