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.

Transmission Range Switch Replacement (A/T)
Raise the vehicle on a lift, or apply the parking brake, block the rear
wheels, and raise the front of the vehicle. Make sure it is securely
supported.
Shift to N.
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Controls
This chapter explains how to operate the various controls necessary for
driving. ...
iPod®/USB Flash
If an error occurs while playing an iPod® or USB flash drive, you may see the
following error messages. If you cannot clear the error message, contact a
dealer.
...