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 pressure gaug ...

CHECK ENGINE warning light/Malfunction indicator lamp
CAUTION If the CHECK ENGINE warning light/ malfunction indicator lamp illuminates while you are driving, have your vehicle checked/repaired by your SUBARU dealer as soon as possible. Continued ve ...

Low tire pressure warning light (U.S.-spec. models)
When the ignition switch is turned to the “ON” position, the low tire pressure warning light will illuminate for approximately 2 seconds to check that the tire pressure monitoring system ( ...