See also:

Tire chains
Tire chains cannot be used on your Impreza, WRX and STI because of the lack of clearance between the tires and vehicle body. ...

To increase the speed (by accelerator pedal)
1. Depress the accelerator pedal to accelerate the vehicle to the desired speed. 2. Push the “SET/COAST” button once. Now the desired speed is set and the vehicle will keep running at that spe ...

To arm the system using remote transmitter
1. Close all windows. 2. Remove the key from the ignition switch. 3. Open the doors and get out of the vehicle. 4. Make sure that the engine hood (and the trunk lid on the 4-door) are locked. 5. C ...