See also:

Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified governme ...

ON
This is the normal operating position after the engine is started. ...

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. ...