Hill start assist warning light (MT models – if equipped)/Hill start assist OFF indicator light (STI)
Subaru Impreza / Subaru Impreza Owners Manual / Instruments and controls / Warning and indicator lights / Hill start assist warning light (MT models – if equipped)/Hill start assist
OFF indicator light (STI)

See also:
MMT
Some gasoline contains an octane-enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl). If you use such fuels, your emission control system performance may deteriorate and the C ...
Checking the fluid level
The automatic transmission fluid expands largely as its temperature rises; the fluid level differs according to fluid temperature.
Therefore, there are two different scales for checking the level of ...
Unfastening the rear seatbelts seatbelt
Push the button on the buckle.
Before closing the door, make sure that the belts are retracted properly to avoid
catching the belt webbing in the door. ...
