Turbo models
Subaru Impreza / Subaru Impreza Owners Manual / Specifications / Specifications / Engine oil / Turbo models

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Recommended spark plugs
Refer to “Electrical system” F12-8. ...
Precautions against vehicle modification
WARNING
To avoid accidental activation of the system or rendering the system inoperative,
which may result in serious injury, no modifications should be made to any components
or wiring of the SR ...
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. ...
