252LEXUS PARKING ASSIST −SENSORIS350/250_Navi_U(L/O 0508)The Lexus parking assist −sensor is awarning system used when parking thevehicle at low speed (e.g. into a garage).It uses an ultrasonic sensor, whichchecks the approximate distance to anobstacle. It will inform you of theapproximate distance to an obstacle bydisplaying information on the multi −in-formation display and the screen, andwith beeping sounds.1Front corner sensorsThere is one of these installed on each cor-ner of the front bumper, they inspect ob-stacles and will sound a warning depend-ing on the distance to the obstacle. (See" - Front corner sensors" on page 254.)2Rear corner sensorsThere is one of these installed on each cor-ner of the rear bumper, they inspect ob-stacles and will sound a warning depend-ing on the distance to the obstacle. (See" - Rear corner sensors" on page 255.)3Back sensorsThere are two of these installed near thecenter of the rear bumper, they inspect ob-stacles and will sound a warning depend-ing on the distance to the obstacle. (See" - Back sensors" on page 256.)To use the parking assist −sensor, withthe engine switch in "IG −ON" mode,push "" or " " of the satellite switchto select the parking assist −sensor andthen push the ON/OFF button. Select-ing the parking assist −sensor andpushing the ON/OFF button of the sat-ellite switch again will turn the parkingassist−sensor off.When you turn on the parking assist −sen-sor, the indicator light in the instrumentcluster comes on and a beep sounds forone second, indicating that the parking as-sist−sensor is turned on.The parking assist−sensor will remain oneven after turning the engine switch to"OFF" and then to "IG−ON" mode with themain switch on. However, a beep does notsound at this time.If an error is detected in the Lexus parkingassist−sensor while self−checking, beepssound and a warning appears in the multi −information display and on the screen. Fordetails, see " - Lexus parking assist−sen-sor failure warning" on page 259.Lexus parkingassist−sensor -
