2004 Lexus LS 430 Owners Manual - Page 360

STARTING AND DRIVING In the following cases, the warning messages appear and the preset speed automatically cancels out. When dynamic radar/laser cruise control is restored, the warning messages turn off and dynamic radar/laser cruise control enters "RADAR READY" mode. a. The slip indicator light blinks and a warning tone sounds. (This occurs when the vehicle is about to skid.) b. The driving pattern selector switch is set to "SNOW" mode. c. The anti- lock brake system is activated by automatic braking. (The warning tone sounds.) d. The sensor does not operate properly because a foreign matter sticks to the sensor. Dynamic radar cruise control- e. The wipers are operated at high speed (including high speed operation with the wiper lever in the "AUTO" position.) Dynamic laser cruise control- f. The wipers are operated at high or low speeds (including high and low speed operations with the wiper lever in the "AUTO" position.) NOTICE If the preset speed automatically cancels out for other than the above reasons, do not operate the dynamic radar/laser cruise control. Although it is no problem to continue driving, have your vehicle checked by your Lexus dealer at the earliest opportunity. 340