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:
Non-turbo models
...
Models with HID headlights
High Intensity Discharge (HID) headlights
contain mercury. For that
reason, it is necessary to remove
HID headlights before vehicle disposal.
Once removed, please reuse,
recycle or dispos ...
Precautions against vehicle modification
Always consult your SUBARU dealer if you want to install any accessory parts
to your vehicle.
CAUTION
Do not perform any of the following modifications. Such modifications can interfere
with pro ...
