Titan 2WD V8-5.6L (VK56) (2004)
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You may be able to duplicate the incident, by sitting and/or pushing down on the top outer edge or the seat cushion.
Scuff the Edges of the Power Seat Switch Trim (side that is making noise)
2.
Use a plastic trim tool* to remove the 2 front power seat switch adjuster buttons.
* Plastic "Trim Tool Set" J-46534 (an "essential tool") is available from TECHMATE.
3.
Remove the adjustment switch trim.
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Snap it loose, releasing 4 locking tabs.
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Use a plastic trim tool.