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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1577 (Seat Heating System & Seat Cooling System) >> Description and Operation >> Heated/Cooled Seats Description and Operation >> Modes of Operation

Modes of Operation

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

There are 3 modes available for climate control seat system operation, heated seat, cool seat, and back only heat operation. When a heat or cool seat mode signal request is received, the CCSM will activate both the seat cushion and seat back ventilation modules. When the seat BACK ONLY mode button is pressed once, the CCSM will deactivate the seat cushion ventilation module and leave the seat back ventilation module ON. Press the BACK ONLY mode button a second time and the CCSM will re-activate the seat cushion ventilation module.

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