Jeep grand cherokee 2015 Owner's Manual page 675

Component
Brake Master Cylinder
Power Steering Reservoir – 3.6L Engine
Power Steering Reservoir – 5.7L Engine
MAINTAINING YOUR VEHICLE 673
Fluid, Lubricant, or Genuine Part
We recommend you use MOPAR® DOT 3 Brake Fluid,
SAE J1703 should be used. If DOT 3, SAE J1703 brake
fluid is not available, then DOT 4 is acceptable.
We recommend you use MOPAR® Hydraulic Fluid.
We recommend you use MOPAR® Power Steering Fluid
+4 or MOPAR® ATF+4® Automatic Transmission Fluid.
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