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· Super Moderator, Servicemen-USMC, SS Guru
10,070 Posts
The snowflake is an always-on indicator for the compressor. Do you have any sort of climate control? If so, and you leave on it cold, it will do what it can without the compressor, but will cycle it on and off as needed. Using the snowflake button leaves the compressor on.

That's how it is in my 2006, but I also have an LT, which may be different than the WT.
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