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Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, Engine running.
  2. Press the A/C request switch. The A/C compressor clutch should engage.
  3. Place the mode switch in the defrost position. The A/C compressor clutch should engage.
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