2004 Lexus LS 430 User Guide - Page 364

STARTING AND DRIVING CAUTION To ensure that the dynamic radar cruise control system will function properly while driving, observe the following: D Always keep the millimeter wave radar sensor and grille cover clean. When cleaning, use a soft cloth and be careful not to damage the sensor and grille cover. D Avoid strong impacts around the millimeter wave radar sensor. An incorrect millimeter wave radar sensor alignment will result in system malfunction. A special device is required to adjust the millimeter wave radar sensor alignment. Be sure to have the sensor adjusted by your Lexus dealer. D Do not disassemble the millimeter wave radar sensor. D Do not affix a sticker (including a transparent sticker) or attach an accessory around the millimeter radar sensor or the grille cover. D Do not modify or paint the grille cover. When replacing the cover, be sure to use a genuine cover. (h) Laser radar sensor (Vehicles with dynamic laser cruise control) 31L363 " 1 Laser radar sensor The laser radar sensor is used for vehicle- to- vehicle distance control cruising. When the laser radar sensor is disabled for some reason, the warning message appears on the multi- information display. For details, see "Vehicle- to- vehicle distance control mode failure warning" on page 347. This product is a class I laser product complied with 21 C.F.R part 1040.10 and 1040.11. 346