The sealing rings are synthetic resin with chamfered ends. Check the condition of the sealing rings, and replace them only if they are worn, distorted, or damaged.
For a better fit, squeeze sealing rings together slightly before installing them.

Apply ATF to the new sealing rings, then install them on the secondary shaft.

After installing the sealing rings, verify the following:
The rings are fully seated in the groove.
The rings are not twisted.
The chamfered ends of the rings are properly joined.
Main Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages.
Do not use a magnet to remove the check balls, it may magnetize the check
balls. ...
Exterior Lights System Description
Headlights System Description
The headlight system is composed of the MICU, the headlight and dimmer/flash-to-pass
switches (inside the combination light switch), the left and right headlights, ...
Power Windows
Turn the ignition switch to the ON (II) position to raise or lower any window.
To open the window, push the switch down and hold it. Release the switch when you
want to stop the window. To close ...