Subaru Forester: BSD/RCTA (if equipped) / System operation
The BSD/RCTA will operate when all of the
following conditions are met.
The ignition switch is in the “ON”
position.
The BSD/RCTA warning light and BSD/
RCTA OFF indicator light are turned off...
Other information:
..
The treadwear grade is a comparative
rating based on the wear rate of
the tire when tested under controlled
conditions on a specified
government test course.
For example, a tire graded 150
would wear one and one-half (1-
1/2) times as well on the government
course as a tire graded 100...