Jeep Grand Cherokee Owners Manual

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Towing Requirements
To promote proper break-in of your new vehicle drivetrain components, the following guidelines are recommended: NOTE: Trailer towing requires special rear axle lubricant. Refer to “Fluids, Lubri ...

Synthetic Engine Oils
Synthetic engine oils can be used if the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. ...

MMT In Gasoline
MMT is a manganese-containing metallic additive that is blended into some gasoline to increase octane. Gasoline blended with MMT provides no performance advantage beyond gasoline of the same oct ...