高速上定速巡航突然故障，刹车失灵，以115公里时速狂奔490公里，警方通报！车主：试了各种办法都不行，车停后浑身发抖说不出话

Core Points - A car experienced a cruise control malfunction leading to brake failure, resulting in a high-speed journey of 490 kilometers at a constant speed of 115 km/h until fuel depletion [1][9] - The driver, Mr. Ma, managed to maintain composure during the incident, utilizing emergency measures and ultimately receiving assistance from law enforcement [3][5] - The incident prompted a coordinated response from multiple police units to ensure the safety of the driver and other road users [9] Summary by Sections Incident Overview - On December 17, a car driven by Mr. Ma encountered a cruise control failure and brake malfunction while traveling on the Lanhai Expressway, leading to a continuous high-speed drive of 490 kilometers [1][9] - The driver reported the issue to authorities and attempted various troubleshooting methods without success [1][9] Emergency Response - Upon receiving the emergency call, police units implemented a traffic control strategy, clearing the route and providing a safe passage for the out-of-control vehicle [9] - The police escort included over ten vehicles, which helped alleviate the driver's anxiety during the incident [5][9] Aftermath - Following the incident, the vehicle was towed back to a dealership, where the driver expressed intentions to seek a refund or replacement due to the malfunction [9] - The police reported that the vehicle safely came to a stop after running out of fuel at 22:02 on the same day, concluding the emergency situation [9]