2005 Lexus LS 430 Owners Manual - Page 396

STARTING AND DRIVING (a) Turning the system on CAUTION To avoid accidentally engaging cruise control , keep the "ON−OFF" button off when not using dynamic radar/laser cruise control. 31L636 To operate conventional cruise control mode, push the "ON−OFF" button. This turns the system on. The "CRUISE" indicator light in the instrument cluster comes on and "RADAR READY" appears on the multi−information display. Push the control lever in the "MODE" direction for longer than 1 second to change to conventional cruise control mode. The indicator on the multi−information display is as shown. You can now set your desired cruising speed. Pushing the "ON−OFF" button again will turn the system completely off and "CRUISE OFF" will appear in the multi−information display. However, once the vehicle−to−vehicle distance control mode activates and is used, it cannot be changed to the conventional (fixed speed) cruise control mode using the above operation. When the ignition switch is turned off, the "ON−OFF" button is also automatically turned off. To use the dynamic radar/laser cruise control again, push the "ON−OFF" button again to turn it on. 357