2022 Lexus LS Hybrid

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.

Some 2022 – 2023 model year LS 500h AWD vehicles are equipped with Lexus Advanced Drive. This system provides driving support through automated steering, acceleration, and braking under specific operating conditions within controlled access highways. Lexus Advanced Drive utilizes an array of sensors and cameras, high definition maps, and the vehicle navigation system to provide hands-free (SAE level: 2) driving assistance for engaged drivers. Updates to enhance Lexus Advanced Drive operation or to add features/functions are delivered to the vehicle directly through the Lexus Enform multimedia head unit (version 4.00 or earlier). The updates include the following: • Enhancements to the detection and response of vehicle merging into the preceding lane. • Enhancements to Advance Drive to driver hand-over at lower speeds. • Expanded speed range for system operation. Some 2022 – 2023 model year LS 500h AWD vehicles are equipped with Lexus Advanced Drive. This system provides driving support through automated steering, acceleration, and braking under specific operating conditions within controlled access highways. Lexus Advanced Drive utilizes an array of sensors and cameras, high definitions maps, and the vehicle navigation system to provide hands-free (SAE level: 2) driving assistance for engaged drivers. Updates to enhance Lexus Advanced Drive operation or to add features/functions are delivered to the vehicle directly through the Lexus Enform multimedia head unit (earlier than version 5.00). The updates include the following: • Updates the Advanced Drive messages and displays. • Reduces the frequency of prompts to hold the steering wheel in certain circumstances (e.g., facial recognition impact reduced when wearing a medical mask). • Increases scenarios where lane change assist can be used. • Adjusts the speed to help avoid blind spots of other vehicles in adjacent lanes. • Enhances peripheral recognition using LiDARs. • Reduces lane change assist activation when standard construction cones or barrels are detected. • Alerts driver to nearby vehicles at certain highway entrance merging areas during low-speed driving. • Alerts driver when approaching a much slower vehicle ahead. • Increases the maximum Advanced Drive set speed to 85 mph. Some 2022 – 2023 model year LS 500h AWD vehicles are equipped with Lexus Advanced Drive. This system provides driving support through automated steering, acceleration, and braking under specific operating conditions within controlled access highways. Lexus Advanced Drive utilizes an array of sensors and cameras, high definitions maps, and the vehicle navigation system to provide hands-free (SAE level: 2) driving assistance for engaged drivers. Updates to enhance Lexus Advanced Drive operation or to add features/functions are delivered to the vehicle directly through the Lexus Enform multimedia head unit (earlier than version 5.01). The updates include the following: • Adjusts the emergency support brake activation timing. • Adjusts the conditions to warn for merging vehicles at low speed. • Increases scenarios where lane change assistance can be used. The release notes text below will be displayed to the customer: “Adjusts the emergency support brake activation timing. Adjusts the conditions to warn for merging vehicles at low speed. Increases scenarios where lane change assistance can be used.”

OBSOLETE NOTICE February 2, 2026: This bulletin is now obsolete. Please see L-SB-0004-26.

Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.

Some 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle for odor remediation. Refer to the applicable model and model year Repair Manuals and the EPA (Environmental Protection Agency) website for the most up-to-date safety and precautionary guidelines. This Service Bulletin is to provide a general overview and direction for the odor remediation process.

Some customers may experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features.

The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.