Has any one actually said this was going to light up while the car was in motion (drive)????
I note all of this speculation and worry started AFTER the news about the change from the bankrupt dash supplier. This may be a lot more related to practical problems with a replacement supplier than "technical or chemistry with heat..
There is still lots of leather in the world so you can cover over the door inserts if you don't like it.
Just my .02
