See also:

Modification of your vehicle
Your vehicle should not be modified other than with genuine SUBARU parts and accessories. Other types of modifications could affect its performance, safety or durability, and may even vi ...

Traction Control OFF indicator light (green – STI)
The light illuminates when the Vehicle Dynamics Control mode switch is pressed briefly. For details, refer to “Traction mode”. ...

If the light illuminates constantly
If the light illuminates constantly while driving or does not turn off after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by an ...