Re: AC Question
When you start up the GC, it uses an algorithm from both the internal and external temperature sensors. There is a time delay for the sensors to calibrate after startup (see owners manual, spelled out these), of up to a few minutes. Because the sensors are using the temperatures recorded at the last time you parked/shut off the vehicle, the HVAC systems can seem to do some funny things when you restart it some time later if you have it in Auto mode. The same process is used if you remote start, for AC/summer (over 80 deg F) and Heat/Steering Wheel/Seat Heater/Rear Defroster (under 40 deg F). So if it was under 40 deg F when you parked it and later in the day it is 70 deg F when you start it, the heat functions will all be on. If it was 85 deg F when you parked it and later in the day it is 60 deg F, the AC will be on. This and the full-blast fans speed is why I personally rarely use the Auto mode. It is the same basic system in all 2011 - 2014 models that have the dual/auto controls.