See also:

Tire chains
CAUTION Tire chains cannot be used on any tires for your Legacy and Outback because of lack of clearance between the tires and vehicle body. ...

For U.S.A
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...

Examples of the types of accidents in which the SRS curtain airbag is unlikely to deploy.
Legacy models 1) The vehicle is involved in an oblique side-on impact. 2) The vehicle is involved in a side-on impact in an area outside the vicinity of the passenger compartment. 3) The vehicl ...