2011 Toyota Prius Owners Manual - Page 289

2-4. Using other driving systems CAUTION n Handling the radar sensor Observe the following to ensure the pre-collision system can function effectively. l Keep the sensor and grille cover clean at all time. Clean the sensor and grille cover 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 your Toyota dealer. l Do not disassemble the sensor. l Do not attach accessories or stickers to the sensor, grille cover or surrounding area. l Do not modify or paint the sensor and grille cover. n Limitations of the pre-collision system Do not rely on the pre-collision system. Always drive safely, taking care to observe your surroundings and checking for any obstacles or other road hazards. 2 When driving 263 PRIUS_U (OM47685U) DVD