Owner's Manual
Page 252
... want to maximize engine performance, control and efficiency. It provides better control in the tachometer will blink to signal the best time to gentler throttle response. & Sport (S) mode For all-around -town driving and situations that do not require full power output. When Intelligent (I) mode is ideal...Intelligent (I ) mode provides wellbalanced performance with greater fuel efficiency and smooth driveability without stress. 7-30 Starting and operating SI-DRIVE (WRX STI) SI-DRIVE (SUBARU Intelligent Drive) works to make the driving experience their own personal adventure.
... want to maximize engine performance, control and efficiency. It provides better control in the tachometer will blink to signal the best time to gentler throttle response. & Sport (S) mode For all-around -town driving and situations that do not require full power output. When Intelligent (I) mode is ideal...Intelligent (I ) mode provides wellbalanced performance with greater fuel efficiency and smooth driveability without stress. 7-30 Starting and operating SI-DRIVE (WRX STI) SI-DRIVE (SUBARU Intelligent Drive) works to make the driving experience their own personal adventure.