2008 Lexus LX 570 Owners Manual - Page 284

2-4. Using other driving systems n The intuitive parking assist can be operated when l Front corner sensors: • The "ENGINE START STOP" switch is in IGNITION ON mode. • The shift lever is in a position other than "P". • The vehicle speed is less than about 6 mph (10 km/h). l Rear corner and back sensors: • The "ENGINE START STOP" switch is in IGNITION ON mode. • The shift lever is in "R". n Sensor detection information l Certain vehicle conditions and the surrounding environment may affect the ability of the sensor to correctly detect obstacles. Particular instances where this may occur are listed below. • There is dirt, snow or ice on the sensor. (Wiping the sensor will resolve this problem.) • The sensor is frozen. (Thawing the sensor will resolve this problem.) • The sensor is covered in any way. • In harsh sunlight or intense cold weather. • When driving on bumpy, sloped or gravel roads, or over grass. • If there is something producing ultrasonic waves nearby, such as another vehicle's horn, motorcycle engine noise, air braking sound from heavy-duty vehicles, or another vehicle using the park assist system. • In heavy rain, or if water is splashed on the sensors. • The vehicle is leaning considerably to one side. • If a commercial fender pole or radio antenna is installed. • If moving towards a high curb or a curb corner. • If towing eyelet is installed on your vehicle. • The bumper or sensor receives a strong impact. • A non-genuine Lexus suspension (lowered suspension etc.) is installed. In addition to the examples above, there are instances in which, because of their shapes, signs and other objects may be judged by the sensor to be closer than they are. 218