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. ...

Channel preset
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Outback
1. Remove the mounting screws using a Phillips screwdriver. 2. Remove the lens. 3. Pull the bulb out of the socket. 4. Install a new bulb. 5. Reinstall the lens. 6. Tighten the mounting screw ...