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Home >> Lexus >> 2000 >> LS 400 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic A/C-Heater Systems >> Operation >> System Controls
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System Controls

The A/C-heater control assembly consists of a liquid crystal display and various buttons to activate A/C system, set desired temperatures, direct discharged air to appropriate vents, activate defoggers, and control blower fan speed. Separate temperature control switches provide independent left and right temperature control. See Fig 1.

Fig 1: Identifying A/C-Heater Control Assembly
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