Cruise Control Switch
WARNING: This page is about a different car, the 1997 Lexus SC 400. However, it is still accessible from the selected car via links, so may be relevant.
Cruise control switch (located on right side of steering column) consists of main switch and control switches. Main switch is the power switch for cruise control system. If main switch is on when ignition is turned off, main switch is also turned off. Main switch remains off even when ignition is turned on again.