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:
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replaced by your SUBARU dealer if necessary. ...
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Never attempt to remove the radiator
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When the engine is hot, the coolant
is under pressure. Removing the
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