2011 Lexus IS 350 Navigation Manual - Page 270

INTUITIVE PARKING ASSIST - Intuitive parking assist−sensor failure warning D The shape of the obstacle may prevent a sensor from detecting it. Pay particular attention to the following obstacles: D Wires, fences, ropes, etc. D Cotton, snow and other materials that absorb sound waves D Sharply−angled objects D Low obstacles D Tall obstacles with upper sections projecting outwards in the direction of your vehicle If an error is detected when the intuitive parking assist−sensor is turned on, the vehicle symbol comes on or flashes with beeping sounds. However, the sensors functioning properly continue their obstacle detection. The intuitive parking assist−sensor failure warning display is not given in either of the following operations: D Changing to another screen D Turning off the main switch for the intuitive parking assist−sensor CAUTION D Caution when using the intuitive parking assist−sensor Observe the following precautions. Failing to do so may result in the vehicle being unable to be driven safely and possibly cause an accident. D Do not use the sensor at speeds in excess of 6 mph (10 km/h). D Do not attach any accessories within the sensor range. NOTICE Notes when washing the vehicle Do not apply intensive bursts of water or steam to the sensor area. Doing so may result in the sensor malfunctioning. System malfunction D An accident will affect the sensors, resulting in system failure. D If the indicators remain on without a beeping sound, the system may be malfunctioning. Contact your Lexus dealer. 294