Owner's Manual
Page 586
...norm due to variations in driving habits, service practices and differences in addition to this tire is a comparative rating based on the wear rate of the tire when tested under controlled conditions on straight-ahead braking traction tests, and does not include ...2011 TL Vehicles) The tires on the tire sidewall between tread shoulder and maximum section width. Warning: The traction grade assigned to these gradings. Treadwear The treadwear grade is based on specified government test surfaces of their use, however, and may have poor traction performance. Federal Safety...
...norm due to variations in driving habits, service practices and differences in addition to this tire is a comparative rating based on the wear rate of the tire when tested under controlled conditions on straight-ahead braking traction tests, and does not include ...2011 TL Vehicles) The tires on the tire sidewall between tread shoulder and maximum section width. Warning: The traction grade assigned to these gradings. Treadwear The treadwear grade is based on specified government test surfaces of their use, however, and may have poor traction performance. Federal Safety...