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Discussion Starter · #1 ·
Has anyone heard of a relay or switch that could be wired to automatically disable the A/C compressor on the classic Prius when the brake pedal is depressed.

In the summer here in AZ, you can see the mileage drop while the ICE is spinning the A/C compressor at long traffic lights. I have been turning the A/C off at long traffic lights, which decreases the 4-5 mpg drop we experience when the temperature goes over 100. But, it would be nice if this could be automated.
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