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:
Door open warning light
The door open warning light illuminates if any door or the rear gate is not fully closed.
Always make sure this light is not illuminated before you start to drive. ...
Immobilizer
The immobilizer system is designed to prevent an unauthorized person from starting
the engine. Only keys registered with your vehicle’s immobilizer system can be used
to operate your vehicle. Even ...
SENSE AND STYLE
Family Friendly (Not Really, Fair, Great, Excellent): Not Really
Fun-Factor (None, Some, Good Times, Groove-On): Good Times ...
