Jeep GRAND CHEROKEE 2016 Owner's Manual page 98

96 MAINTAINING YOUR VEHICLE
Component
Brake Master Cylinder
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.