Economy
Improper inflation pressures can cause uneven wear patterns to develop across the tire tread. These abnormal wear patterns will reduce tread life resulting in a need for earlier tire replacement. Under-inflation also increases tire rolling resistance resulting in higher fuel consumption.
See also:
ECO (Fuel Saver Mode) — If Equipped
The ECO message will display below the outside temperature
in the EVIC display (if the audio system is on
the ECO indicator will override the audio information
display line) if the Display Fuel ...
Safety
The 2011 Grand Cherokee is a 2010 Top Safety Pick from the Insurance
Institute for Highway Safety. To earn the designation, it received Good overall
scores in IIHS' frontal-offset crash test, side ...
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 woul ...