See also:

Lubrication oil circulation in the refrigerant circuit
Operate the air conditioner compressor at a low engine speed (at idle or low driving speeds) a few minutes each month during the off-season to circulate its oil. ...

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

Besting Midsize Benchmarks
Built on an all-new platform, the 2010 Subaru Legacy offers roominess comparable to mainstream midsize sedans, with a focus on usable space and long-distance driving comfort. The wheelbase grows t ...