2006 Lexus IS 350 Navigation Manual - Page 257

IS350/250_Navi_U (L/O 0508) LEXUS PARKING ASSIST −SENSOR 257 - Numerous obstacles are detected on the front and rear of the vehicle simultaneously When obstacles are detected on the front and rear of the vehicle at the same time; the multi−information display and screen illuminate their relevant indicator bars. And beeps are as follows: 1 Obstacles detected on the front and rear of the vehicle are not in areas where continuous beeping should sound: The warning for the obstacle closer to the vehicle will be issued. The above illustration indicates the obstacle detected by the back sensors is closer to the vehicle. So, the warning for the obstacle detected by the back sensors will be given. 2 The obstacle detected on the front or rear of the vehicle is in an area where continuous beeping should sound: If the possibility of collision with the obstacle is high as shown, the parking assist−sensor warns the driver by continuous beeping (repeating 7 intermittent beeps and one longer beep as one cycle). 3 Both obstacles detected on the front and rear of the vehicle are in areas where continuous beeping should sound: If the possibility of collision with the obstacles is very high as shown, the parking assist−sensor warns the driver by continuous beeping (repeating 3 quick beeps and one longer beep as one cycle). CAUTION It might be difficult to hear beeps due to the volume of audio or air flow noise of the air conditioning. To avoid an accident or injury, drive slowly using the brakes while visually confirming a safe distance around your vehicle.