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:

Turbo models
1) Air intake duct 2) Air cleaner case 3) Clamp 1. Remove the hydraulic hose in the power steering system from the clip on the air intake duct. 2. Remove the hydraulic hose from the clip on the ...

Brake booster
If the brake booster does not operate as described in the following, have it checked by your SUBARU dealer. 1. With the engine off, depress the brake pedal several times, applying the same pedal forc ...

2.0-L DOHC Turbo engine
A newly developed DOHC cylinder head is used in this engine. The intake port and the combustion chamber have been redesigned to reduce residual gasses, thus raising combustion efficiency. By usi ...