More On the A/C
In many ways it is confusing, however Honda has given you a choice. By pressing Auto, the system decides temp, fan speed, whether to re-circulate or not, and what selection of vents to use. You can bypass part or all of the automatic setting by using the mode switch to select vents, the recirculate button, or the A/C switch itself. The A/C switch is a direct link to the compresson and allows you to save fuel if you are so motivated. Much of the time when I am on the interstate, I leave the Auto mode and do the following. Go to the recirculate mode to keep cool air in. Move temp setting to LO. Use low or med fan speed and then manually turn the compresson on and off (A/C switch) as cool air is needed. I usually can go for miles with the compresson off and then need to turn it on occasionally. My wife says there are other mental problems associated with this. Anyway, saves gas and compressor wear. Also I have found that the rear A/C controls work only with the front in the Auto position and the bypass switch activated. If in manual mode of any type, the rear controls on my vehicle do not work. Hope this helps. BP