I am sure it will change and your query is very valid, Way back in the day they had set frequency bands to correspond to ancient equipment (AM FM VHF UHF etc), to prevent crossover interference.
When those compressors fail the a/c plumbing gets filled with debris, I have seen some so extensive that the filter actually ruptures and forces the descant and trash through the entire system.
Chrysler developed a kit that prevented the oil from being scavenged from the compressor which was the...
You are best off getting it fixed right, normally it is the contacts in the ignition switch.
This is based on the assumption that it is the security system.
I have seen this repair cost anywhere from 150-350 dollars, which is reasonable for a no start\crank condition.
Removing the thermostat does several things, it reduces heater output when the vehicle is cold, it causes the coolant to pass over coolant passages to quickly to adsorb heat creating hot spots that damage the engine, same for the radiators ability to dissipate heat.
Now you need to figure out...