Jeep Grand Cherokee 2018 Manual page 23

Fuel Operating Range
NOTE:
Use "Ultra Low Sulfur Diesel Fuels" ONLY.
*No. 1 Ultra Low Sulfur Diesel Fuel should only
be used where extended arctic conditions
(0°F/-18°C) exist".
Fuel Operating Range Chart
NOTE:
• Use of Climatized Ultra Low Sulfur Diesel Fuel or
Number 1 Ultra Low Sulfur Diesel Fuel results in
a noticeable decrease in fuel economy.
• Climatized Ultra Low Sulfur Diesel Fuel is a
blend of Number 2 Ultra Low Sulfur and
Number 1 Ultra Low Sulfur Diesel Fuels
which reduces the temperature at which wax
crystals form in fuel.
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