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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Monitor System - Service Information (1 Of 2) >> CLEARANCE WARNING BUZZER (for Front Side) >> Removal [12/2017 - 09/2018] >> Caution / Notice / Hint

Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed or replaced during the No. 1 clearance warning buzzer removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED / INSTALLED / REPLACED

Replacement Part or Procedure Necessary Procedures Effect/Inoperative Function When Necessary Procedures are not Performed Link
Disconnect cable from negative (-) battery terminal Memorize steering angle neutral point Lane-keeping assist system (for Mono camera type) for Stereo Camera type:
Refer to INITIALIZATION [12/2017 - 10/2020]
for Mono Camera type:
Refer to INITIALIZATION [12/2017 - 09/2018]
Lane control system (for Stereo camera type)
Parking support brake system*
Pre-collision system (for Mono camera type)
Pre-collision system (for Stereo camera type)
AFS (Front-lighting adaptive system)
Lighting system (EXT) 
  1. Cornering lights
Variable gear ratio steering system Refer to INITIALIZATION [12/2017 - 10/2023]
Parking assist monitor system Refer to INITIALIZATION [12/2017 - 10/2022]
Panoramic view monitor system Refer to INITIALIZATION [12/2017 - 10/2022]
Initialize rear door sunshade system Rear door sunshade system Refer to INITIALIZATION [12/2017 - ]
Initialize power trunk lid system Power trunk lid system Refer to INITIALIZATION [12/2017 - 10/2020]

*: When performing learning using the Techstream.