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:
Select lever/gear position indicator
1) Upshift/downshift indicator (AT and CVT models)
This indicator shows the position of the shift lever (MT models) or select lever
(AT and CVT models). ...
Key lock-in prevention function
This function prevents the doors from being locked with the key still in the
ignition switch. ...
Illumination brightness control
The illumination brightness of the clock display, audio, air conditioner, multi
function display and meter/gauge dims under the following conditions.
● when the light switch is in the “ ” o ...
