Toyota Recalls Over 550,000 Highlander Vehicles in United States Following Safety Warnings Over Defective Seat Mechanisms

Toyota issues a major U.S. recall for Highlander SUVs due to seat-back locking defects. Learn about the 2021-2024 models affected and the free dealer repairs.

By: AXL Media

Published: Mar 11, 2026, 4:25 AM EDT

Source: The information in this article was sourced from CNA

A Safety Compromise in the Family SUV Segment

The Japanese automotive giant has officially launched a large-scale recall operation in the American market, targeting a specific mechanical failure within its popular SUV lineup. According to reports from the National Highway Traffic Safety Administration, the defect centers on the second-row seating assemblies, which may fail to secure properly during routine adjustments. This lack of structural integrity in the seating arrangement poses a direct threat to passenger safety, as an unsecured seat back cannot provide the necessary restraint or protection required during a sudden stop or vehicular impact.

The Technical Scope of the Highlander Fleet Correction

This safety intervention is not a general fleet update but a targeted response to issues identified in the 2021 through 2024 model years of the Highlander and its gas-electric hybrid counterpart. As noted by the National Highway Traffic Safety Administration, the vulnerability is localized to the recliner assemblies of the middle row, where internal components may not engage as intended. By narrowing the scope to these specific production years, Toyota is addressing a multi-year manufacturing window where the locking hardware fell short of federal safety standards, necessitating a physical hardware replacement across more than half a million units.

Mitigating Liability Through Proactive Hardware Replacement

To resolve the identified risk, Toyota has committed to a comprehensive dealer-led repair program that removes the financial burden from the vehicle owners. The National Highway Traffic Safety Administration confirms that authorized technicians will be tasked with the removal and replacement of the return springs within the seat-back recliner assemblies. By replacing these specific internal springs, the manufacturer aims to ensure that the locking teeth of the recliner mechanism engage fully and reliably, thereby restoring the vehicle's secondary restraint systems to their intended safety specifications without cost to the consumer.