2026 Lexus GX

Panoramic Sunroof cracking "exploding" upon extreme shift in temperatures. Lexus GX 550 Luxury+ brand new, 900 miles. There are complaints online about this happening to others as well.

NHTSA ID

11776807

Incident

Nov 8, 2026

The seat belt retractor mechanism located at the base of the driver's side B-pillar. The noise originates from a critical occupant restraint component. A rattling sound from a seat belt mechanism can indicate that a fastener is loose or a component is not properly secured. If the retractor is not adequately secured, the seat belt may not restrain an occupant as intended in a crash, increasing the risk of injury. This is not a mere interior squeak it makes a metallic rattling noise. Yes. The noise has been replicated by the service department at Lexus of Bellevue. I also personally investigated by removing the B-pillar trim and confirmed the sound is emanating directly from the seat belt mechanism at the base of the pillar. The vehicle has been inspected by the dealership (Lexus of Bellevue), who confirmed the noise. No warning lamps or messages appeared. The only symptom is a persistent metallic ticking/rattle from the B-pillar area, audible when driving over bumpy roads or driving in general , first noticed shortly after taking delivery of the vehicle (at 0 miles.)

NHTSA ID

11776387

Incident

Jul 31, 2026

We were performing an alignment on this vehicle after it had minor fender/ bumper cover damage repair from a body shop. while doing the front alignment, we found the front left inner tie rod came right out, lik eit was not adjusted tight at all.

NHTSA ID

11770261

Incident

Oct 8, 2026

The driver-side front door window developed a crack suddenly while the vehicle was in normal use. There was no known impact, and no object was seen or heard striking the glass. The crack originated near the edge of the window close to the side mirror and spread across the glass. There were no warning messages, alerts, or prior symptoms before the failure. The failure appeared spontaneous. This condition poses a safety concern because the integrity of the side window is compromised. The crack continued to spread, which could reduce occupant protection in the event of a side impact and may lead to sudden shattering. It also has the potential to affect driver visibility. The issue was not inspected by the dealership prior to repair. The dealership advised that they could not perform the repair in-house and directed the repair to a third-party glass facility, where the window was replaced. No definitive impact point was identified prior to replacement. Based on the fracture pattern and lack of impact evidence, the failure appears consistent with a stress-related crack rather than road debris damage. Additionally, there are multiple reports from other owners describing similar cracks occurring in the same location on this vehicle model, suggesting a possible defect trend. The original failed component is no longer available for inspection, as it was replaced during repair.

NHTSA ID

11739560

Incident

May 21, 2026

Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines the use of the Technical Information System (TIS) and the Calibration Update Wizard+ (CUW+). To ensure the correct ECU software is installed, ECUs will require a Security Signature before the ECU initializes the flash reprogramming sequence.

A new head unit software update (version 2300) is available via OTA or USB for 2022 – 2026 model year LX 600, NX 250, NX 350, and NX 350h; 2023 model year LS 500; 2023 – 2024 model year UX 250h; 2023 – 2025 model year ES 250, ES 300h, ES 350, LS 500h, RZ 300e, and RZ 450e; 2023 – 2026 model year RX 350, RX 350h, and RX 500h; 2024 – 2026 model year GX 550, LC 500, LC 500c, LC 500h, LS 500, RX 450h+, TX 350, TX 500h, and TX 550h+; 2025 model year UX 300h; 2025 – 2026 model year LX 700h; 2026 model year IS 350, RZ 350e, RZ 450e, and RZ 550e vehicles equipped with Lexus Multimedia versions older than 2300. This Software Update includes the following improvements: •User Interface •Cloud Navigation •Bug fixes Vehicle operators can perform this update directly by accepting the on-screen notification advising that the software update is available, or by locating the software update from the Settings menu and initiating the available update. The release message below will be displayed to the customer: “This software update includes improvements for User Interface, Cloud Navigation, and Bug fixes.” If it is necessary to perform the software update for a customer, follow the software update procedures in this bulletin. This is a phased rollout, which means that as time progresses, more vehicles will receive the update notification and ability to update the head unit. This timing will vary by location and may not display for every vehicle in one location at the same day/time.

Some 2024 – 2026 model year GX 550 vehicles may exhibit a vibration at idle when in drive. The Engine Control Module (ECM) logic has been modified, in addition to improved exhaust hangers, to help improve this condition

Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse

OBSOLETE NOTICE Month ##, 2026: This bulletin is now obsolete. Please see L-SB-0018-26

A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.