the trunk only changes colour on pre 89s, where there was no front fogs and they had a single switch. Its the factory jdm front fog switch used as a rear.
The switches you'd be talking about are the headlight height. (all 1991 on had these in euroland) and the second indent is for the choke. Was the led you refer to an alarm?
The brightness is given by a tin reflector in thesere as well to concentrate the beam.
GVR4UM, thats borats car ( a jdm) so it has an extra typa approval fog light to comply with road approval, the led thing is the brakelight in the evo wing
Here's my motor in original form with the fogs (89up tails)
If you look you can just see the brightness of the tin under the inner lense.
I can't remember if id removed the plate at this point, but it had the euro inner tails at this point, here it is lit up
Rich