How do i replace the window switch lock cap, with out taking of the panel, i bought the part at acura it was only 2 dollars they said it happens often but charge a lot to do the work to replace it, i bought a new switch with the cap it comes together lost the other cap

 

You'll have to remove the door panel to get to it. Its not that difficult.
This thread has great instructions:
https://acurazine.com/forums/3g-tl-2004-2008-93/kp-technologies-window-roll-up-module-install-3g-garage-i-097-a-596643/