See also:

Treadwear
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 w ...

Inspecting your tires and wheel valve stems
Periodically inspect the tire treads for uneven or excessive wear and remove objects such as stones, nails or glass that may be wedged in the tread grooves. Check the tire and valve stems for hole ...

Steering
The steering system for the new MKT is improved, too. The gear ratio is quicker (15:1 for 2013 vs. 17.1:1 for 2012), making the steering more immediately responsive. All new Lincoln MKT models ben ...