See also:

Tire pressures
Check and, if necessary, adjust the pressure of each tire (including the spare) at least once a month and before any long journey. Check the tire pressure when the tires are cold. Use a press ...

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. ...

To enter the passive mode
If you wish to program the passive arming mode, have it done by your SUBARU dealer. ...