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 ...

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

Uniform Tire Quality Grading (UTQG)
For details, refer to “Uniform tire quality grading standards”. ...