System Controls
WARNING: This page is about a different car, the 2003 Lexus ES 300 and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
A/C-heater control assembly consists of a liquid crystal display, a temperature control knob, and various buttons which activate A/C-heater system, set desired temperature, direct discharged air to appropriate outlets, activate rear defogger, control fan speed and check ambient air temperature. See Fig 1.