Quote:
Originally Posted by williak7
I have a 2005 x5 4.4. I do not understand the reason for putting the temp 'roller' control on the dash and then also the buttons that change the display temp. Are the buttons just for the AUTO control? Why not just one temp control?
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I don't know the "official" explanation from the manual but its a nice feature (the roller on the vent).
You set the climate control but sometimes its a little too hot or too cool after a while. So, IIRC, the roller only affects certain areas. You can the adjust the roller for cooler/hotter air to what's more comfortable easier (easier than trying to find a compromise with the temp control).
Think of it like fine tuning the climate control. Like different climate zones.