oil additives JEEP GRAND CHEROKEE 2010 WK / 3.G SRT Owners Manual

requirements of Chrysler Material Standard MS-10725
and are approved to MB 229.3 or MB 229.5 (will be listed
on the back label of the oil container).
The manufacturer recommends the use of a full synthetic
5W-40 or equivalent engine oil.
CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can damage your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
Engine Oil Viscosity
SAE 5W-40 engine oil is preferred for use in all operating
temperatures.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
information.
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.
Materials Added to Engine Oil
The manufacturer strongly recommends against the ad-
dition of any additives (other than leak detection dyes) to
the engine oil. Engine oil is an engineered product and
it’s performance may be impaired by supplemental
additives.
320 MAINTAINING YOUR VEHICLE

Fluid Leaks............................. 73
Fluid Level Checks Brake .............................. 334
Cooling System ....................... 328
Engine Oil ........................... 318
Power Steering ........................ 249
Fluids, Lubricants and Genuine Parts .......... 356
Fog Light Service ........................ 352
Fog Lights ....................... 105,165,352
Folding Rear Seat ........................ 91
Four-Way Hazard Flasher .................. 302
Freeing A Stuck Vehicle ................... 244
Front Heated Seats ....................... 88
Fuel ................................. 282
Additives ............................ 285
Clean Air ............................ 283
Ethanol ............................. 283
Filler Cap (Gas Cap) .................... 287
Gasoline ............................ 282 Gauge
.............................. 165
Materials Added ....................... 285
Methanol ............................ 283
Octane Rating ........................ 282
Requirements ...................... 282,355
Tank Capacity ........................ 355
Fuel System Caution ..................... 287
Fuses ................................ 341
Garage Door Opener (HomeLink) ........... 128
Gas Cap (Fuel Filler Cap) ............287,288,314
Gasoline, Clean Air ...................... 283
Gasoline (Fuel) ......................... 282
Gasoline, Reformulated ................... 283
Gauges Coolant Temperature ................... 162
Fuel ............................... 165
Speedometer ......................... 156
Tachometer .......................... 159
10
INDEX 393