Image: CadillacAccording to the filing, the alleged issues can cause the Lyriq to become non-functional, leaving it unable to start, charge or operate. The plaintiffs state that in such cases, vehicles may require towing and extended service periods, with repairs reportedly taking weeks or months in some instances.The lawsuit also claims that General Motors had prior knowledge of the defects through internal testing, engineering reports, warranty claims and consumer complaints. It further alleges that the company did not disclose these issues to customers despite marketing the Lyriq as a premium electric vehicle.The complaint was filed on 2 April in Washington state on behalf of two drivers. They are seeking measures including disclosure of the alleged defects, repairs, consumer notification and restitution.General Motors declined to comment on the lawsuit. The Lyriq has been on the market since 2022, with annual sales reaching 28,402 units in 2024 and 20,971 units in 2025, according to industry data.usatoday.com