How to Recalibrate and Fix AC or Heat Issues on your GM vehicle Easy and FREEEE!

How to Recalibrate and Fix AC or Heat Issues on your GM vehicle Easy and FREEEE!

If your blower is not blowing in the right places or your AC compressor is not kicking on or any other issues related to the hvac unit try this before replacing anything. This will reset the hvac system and recalibrate the unit. Good Luck!

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