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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (HVAC Systems - Automatic) >> Description & Operation >> Temperature & Mode Settings >> Off Mode

Off Mode

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

In off mode, blower motor and A/C compressor will not run. Temperature control circuit is still activated so A/C-heater programmer can operate air mix door and attempt to match in-vehicle and selected temperatures. Since compressor is not running, system can be warmed but not cooled. If passenger-side temperature control switch has been turned on, it can be turned off by pressing the mode control knob. Depressing the mode control knob a second time will turn off entire Heater Ventilation Air Conditioning (HVAC) system.

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