2009 Lexus GS 450h Owners Manual - Page 256

2-4. Using other driving systems CAUTION n To ensure the radar sensor functions correctly Do not do the following to the sensor or grille cover as doing so may cause the sensor not to function correctly and could result in a serious or fatal accident. l Stick or attach anything to them l Leave them dirty l Disassemble, subject them to strong shocks l Modify or paint them l Replace them with non-genuine parts n Handling the radar sensor Observe the following to ensure the cruise control system can function effectively. l Keep the sensor and front grille clean at all times. Clean the sensor and front grille with a soft cloth so you do not mark or damage them. l Do not subject the sensor or surrounding area to a strong impact. If the sensor moves even slightly off position, the system may malfunction. If the sensor or surrounding area is subject to a strong impact, always have the area inspected and adjusted by a Lexus dealer. l Do not disassemble the sensor. l Do not attach accessories or stickers to the sensor, grille or surrounding area. l Do not modify or paint the sensor and grille. 194 GS_HV_U (OM30B44U) March 8, 2010 10:03 am