SI-DRIVE (STI)
SI-DRIVE (SUBARU Intelligent Drive) works to maximize engine performance, control and efficiency.
This system consists of three modes:
Intelligent (I), Sport (S), and Sport Sharp (S#). By adjusting the SI-DRIVE selector, the character of the power unit changes.
See also:
Abbreviation list
You will find several abbreviations in this manual. The meanings of the abbreviations are shown in the following list.
...
Selecting audible signal operation
Using an electronic chirp, the system will give you an audible signal when the
doors lock and unlock. If desired, you may turn the audible signal off.
To deactivate the audible signal, perform the ...
Fuel
Use of a fuel which is low in quality
or use of an inappropriate fuel
additive may cause engine damage. ...