Shift-up indicator light (STI)
Subaru Impreza / Subaru Impreza Owners Manual / Instruments and controls / Warning and indicator lights / Shift-up indicator light (STI)

While selecting the Intelligent (I) mode of SI-DRIVE, this indicator light illuminates and informs the driver about the upshift timing for fuel-efficient driving.
See also:
California Perchlorate Advisory
Certain vehicle components such as airbag modules, seatbelt pretensioners and keyless entry transmitter batteries may contain perchlorate material. Special handling may apply for service or vehicle en ...
ON
This is the normal operating position after the engine is started. ...
Checking the fluid level when the fluid is cold
When the fluid level has to be checked without time to warm up the automatic
transmission, check to see that the fluid level is between the lower level and upper
level on the “COLD” range. If it i ...
