September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Section 10 (Thermostat)
WARNING: This page is about a different car, the 2000 Lexus SC 300, 1999 Lexus SC 300, 1998 Lexus SC 300, and 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.