The light will turn on when the ignition switch is set to the "ON" position and will automatically turn off after about 2 seconds. Additionally, the light will illuminate if the Vehicle Dynamics Control OFF switch is pressed to deactivate the Vehicle Dynamics Control system in Subaru Out
BV:DTC P0442 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED
(SMALL LEAK)
1. OUTLINE OF DIAGNOSIS
The evaporative system monitor detects leak up to 0.020 inch in the fuel tank
and evaporative emissions system.
If the fuel cap is not present or has not been correctly tightened after a
refueling