See also:

Precautions against vehicle modification
To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SRS airbag ...

Recommended cold tire inflation pressure
For recommended cold tire inflation pressure for your vehicle’s tires, refer to “Tires”. ...

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. ...