Help me identify this (2 Viewers)

[Golden Dragon]

When I was installing the wiring for the auxiliary fan this thing dropped down?

 

[LC4LIFE]

Most likely a valet switch for an alarm system.

 

[Rusty Marlin]

Self Destruct Button

 

[1911garand]

It deploys sharks with frickin' laser beams attached to their heads.

 

[retrofive]

Press it! and report back


Or track the wires back to see where they go

 

[Kernal]

Press it! and report back .

If the vehicle is a recent import from a sandy place, don't press it

 

[flintknapper]

Looks like a momentary switch for an interior light (as found inside the door closures).