Two separate circuits
Your vehicle has two separate circuit brake systems. Each circuit works diagonally across the vehicle. If one circuit of the brake system should fail, the other half of the system still works. If one circuit fails, the brake pedal will go down much closer to the floor than usual and you will need to press it down much harder. And a much longer distance will be needed to stop the vehicle.
See also:
Recommended shifting speeds
The best compromise between fuel economy and vehicle performance during normal
driving is ensured by shifting up at the speeds listed in the following table.
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SAFETY
Although the STi wasn't designed as a family car, all of the family-centric
safety features on the Impreza sedan are in it. The STi has four-wheel-disc
antilock brakes with brake assist, stability ...
Uniform tire quality grading standards
This information indicates the relative performance of passenger car tires in
the area of treadwear, traction, and temperature resistance. This is to aid the
consumer in making an informed choice ...