To ensure reliability, purchase GM part # 13584738 Heater & Air Conditioner Control Assembly RemoteBuick A/C Switch, Buick Blower Control Switches, Buick HVAC Control Module. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Regal models.
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