Chrysler 2005 PT Cruiser Manual page 313

Chassis
Component
Automatic Transmission Fluid.
Manual Transmission Fluid.
Brake Master Cylinder
Power Steering Reservoir
Fluids, Lubricants and Genuine Parts.
Mopar ATF+4 Automatic Transmission Fluid or equivalent.
Mopar ATF+4 Automatic Transmission Fluid or equivalent.
Mopar DOT 3, SAE J1703 should be used. If DOT 3, SAE J1703 brake
fluid is not available, then DOT 4 is acceptable. Use only recommended
brake fluids or equivalent.
Mopar ATF+4 Automatic Transmission Fluid or equivalent.
MAINTAINING YOUR VEHICLE 313
7