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Auto Vent Control Button

69

Description

At times, one wishes to simply flow air through the car without heating or cooling it, and without opening windows or roof, for example when traveling at highway speeds in sun that warms the car under otherwise cool conditions. It would be more convenient to have a single soft button that sets the HVAC system to automatically ventilate only. As presently configured, this requires one to set AC to off, set recirculate to off rather than auto, to set the exhaust to both footwell and dash vents, and to set the fan setting.

A single button could configure all of these for maximum ventilation, with the an auto fan control that responds to the discrepancy between interior temperature, exterior temperature, and the target temperature. The logic for the fan could be overridden as usual, but would go something like this: If the exterior temperature is lower than both the interior temperature and the target temperature, the fan would be proportional to the discrepancy between interior and target temperatures. That is the fan would blow hard when the car is warmer than desired, and there is a source of sufficiently cool air outside the car. Otherwise, the fan would be off unless overridden.

Competitive/Pricing/Notes

Only a software change.

Status

Unknown.

(lightly edited by moderator)



Category: Tags: entered 9-Sep-2014

3 Comments

Yes, to Soft Buttons.    I want one to present handles or, as has been suggested, use the Park button to do this:  press twice to present handles.
Honda has this feature: single button "Auto" for a given temperature, but then it's possible to change only some of the auto features to manual, i.e. fan speed, A/C off. Exhaust (face, windscreen, feet), internal circulation/with outside air, is still "auto" then.
Already in place:  Press park button twice, and it presents all handles.