I have a 2013 Mazda3 with dual-zone climate control. On the display screen with all the climate control and audio information, there are of course, certain areas that are "greyed out" because they weren't in use at the time the photo was taken. (as seen in my attached photo) Every single greyed out little icon has its own use, but in the red boxes I used to highlight, there are greyed out decimal points following a digital number as if I could change the temp to something like 72.5 instead of skipping one whole number to 73. This is such a minor, unimportant detail, but I've always wondered about it since the day I got the car and started fidgeting with the controls.
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