Follow these instructions to keep the ATF cooler cleaner working properly:
Replace the two magnetic nonbypass spin-on filters after every 20 hours of use, based on the hour meter, or when you notice a restriction in the ATF flow.
Check the level and condition of the fluid in the tank before each use.
Replace the ATF in the tank when it looks dark or dirty.

Parking Brake Lever Replacement
Release the parking brake lever fully.
Remove the center console.
Disconnect the parking brake switch connector (A) from the parking brake
switch (B).
...
Installation (Part -1)
Before installing the steering gearbox, make sure that no grease is on
the mating surface of the steering gearbox and the front subframe. To
prevent the gearbox mounting bolts from looseni ...
Park Pin Switch Replacement (A/T)
NOTE: The park pin switch is installed in the shift lever bracket base, and
not available separately from the shift lever bracket base; replace the park pin
switch and the shift lever bracket base ...