Jeep grand cherokee 2015 Owner's Manual page 611

NOTE: MOPAR® SAE 5W-30 engine oil approved to
Chrysler Material Standard MS-6395 such as Pennzoil®,
Shell Helix® or equivalent may be used when SAE 5W-20
engine oil meeting MS-6395 is not available.
Engine Oil Viscosity — 5.7L Engine
MOPAR® SAE 5W-20 engine oil or equivalent such as
Pennzoil® or Shell Helix® is recommended for all oper-
ating temperatures. This engine oil improves low tem-
perature starting and vehicle fuel economy.
The engine oil filler cap also shows the recommended
engine oil viscosity for your engine. For information on
engine oil filler cap location, refer to "Engine Compart-
ment" in "Maintaining Your Vehicle" for further informa-
tion.
MAINTAINING YOUR VEHICLE 609
NOTE: Vehicles equipped with a 5.7L engine must use
SAE 5W-20 oil. Failure to do so may result in improper
operation of the Fuel Saver Technology. Refer to "Fuel
Saver Technology – If Equipped" in "Starting and Oper-
ating" for further information.
Lubricants that do not have both, the engine oil certifi-
cation mark and the correct SAE viscosity grade number
should not be used.
Synthetic Engine Oils
You may use synthetic engine oils provided the recom-
mended oil quality requirements are met, and the recom-
mended maintenance intervals for oil and filter changes
are followed.
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