QUESTION #!
When I bought my 94 Lesabre part of the deal was a Keyless entry installation with a trunk release on the dash left side of the steering wheel, they ordered from GM a snapin plastic dash section with a molded openimg for the button, at first they mounted the button then just cut a hole in the plastic but it looked terrible and my wife was having none of that so they ordered the right piece from the factory and it looks and works great.
QUESTION #2
Are you sure the fan is cutting off or is it just the heater A/C door going closed because of a bad diaphram in the heater or a vacuum leak, There used to be a plastic ball type vacuum reservoir on the firewall of the older buicks that would cause the same thing to happen when the reservoir started to go bad and not hold enough reserve vacuum, I don't know if they are still in the newer cars or not ?? maybe one of the GM moderators can awnser that ?.
Its kinda like the old vacuum wipers shutting down going uphill when the manifold vacuum dropped due to increased power demand for the hill you were going up !?
Ill bet this is as clear as mud !!.
Rick