More than 600,000 Toyota pickup trucks and SUVs in the United States were voluntarily recalled over the past week due to various problems that could increase the risk of accidents, the vehicle maker said.

The first announcement, on February 21, indicated that about 280,000 vehicles, including Toyota Tundra, Tundra Hybrid and Lexus LX600 vehicles from model years 2022-2024 and Sequoia Hybrid vehicles issued between 2023 and 2024, were recalled. because “certain parts of the transmission may not disengage immediately when the vehicle is shifted into neutral.” Toyota said in a statement..

The defect “may allow some of the engine power to continue to be transferred to the wheels and may allow the vehicle to crawl forward at low speed when on a flat surface and the brakes are not applied, increasing the risk of an accident.” . Toyota said.

TO defect information report posted on the National Highway Traffic Safety Administration’s website said affected vehicles could “inadvertently proceed at low speeds (up to approximately 4 mph).”

The second recall, announced Tuesday, affected approximately 381,000 2022 and 2023 Toyota Tacoma pickup trucks. according to the company.

Toyota said in a statement that welding debris left on the ends of the rear axle assembly could “cause the nuts to loosen over time and eventually fall off, which could cause a piece to separate from the axle.

“If separation occurs, this can affect vehicle stability and brake performance, increasing the risk of an accident,” Toyota said.

Amanda Roark, a Toyota spokeswoman, said in an email that only the 2022 and 2023 Tacoma models are “affected by this recall.”

“If the vehicle is operated with the lug nuts loose, the driver may experience a vibration, hear an abnormal noise and/or observe oil leaking from the differential,” he said.

Toyota declined to comment on whether any of the issues that led to the recalls had led to accidents or injuries.

Owners of affected vehicles will be notified of the recalls by the end of April, Toyota said, and should go to their local dealerships for appropriate repairs.