Precaution [08/2021 - 09/2022]

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

NOTE:

When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following system(s) after the cable is reconnected.

System	Procedure
Lane Tracing Assist System	Refer to INITIALIZATION [08/2021 - 09/2022]
Pre-collision System
Parking Support Brake System (for HV Model)
Lighting System (for HV Model)
Parking Assist Monitor System (for HV Model)
Panoramic View Monitor System (for HV Model)
Power Trunk Lid System (for HV Model)

HANDLING PRECAUTIONS
1. When handling electronic parts:
  1. Avoid any impact to electronic parts such as ECUs and relays. Replace these parts with new ones if dropped or subjected to a severe blow.
  2. Do not expose any electronic parts to high temperatures or humidity.
  3. Do not touch the connector terminals in order to prevent deformation or malfunctions due to static electricity.
HANDLING PRECAUTIONS FOR SRS AIRBAG SYSTEM
WARNING:
This vehicle is equipped with a Supplemental Restraint System (SRS). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing. This may cause a serious accident.

Before servicing (including inspection, replacement, removal and installation of parts), be sure to read the precautionary notices for Supplemental Restraint System.

Fig 1: SRS System Airbag Precautionary Notices
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Refer to PRECAUTION [06/2018 - 09/2022]