WHEN REMOVING,INSTALLING,REPAIRING OR REPLACING PARTS PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED / RECONNECTED

Refer to the LEXUS Repair Manual for each work procedure.

1. PROCEDURES NECESSARY WHEN AUXILIARY BATTERY TERMINAL IS DISCONNECTED/RECONNECTED

   Necessary Procedures	Effect/Inoperative Function When Necessary Procedures are not Performed
   Memorize steering angle neutral point	LKA/LDA system
   	Pre-collision system
   	Parking assist monitor system
   Steering sensor zero point calibration	Variable gear ratio steering system

   Note

   After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

   Waiting Time before Disconnecting Cable from Negative (-) auxiliary battery Terminal

   System Name	See Procedure
   Vehicle enrolled in telematics system (for G-BOOK)	6 minutes
   Vehicle not enrolled in telematics system (for G-BOOK)	1 minute