Lexus ES350 unable to read programs on Lexus ES350

Some Lexus ES350 owners report experiencing issues with their infotainment system displaying messages like "cannot read program," which typically indicates software or memory problems. These issues may arise from software glitches that cause the system to freeze or lag, leading to error messages. Additionally, overloaded memory can hinder the system's ability to read programs, prompting users to seek dealer assistance. Problems with the navigation system, particularly related to the Micro SD Card containing map details, can also prevent the vehicle software from loading properly. To address these concerns, some owners find that performing a software upgrade can resolve navigation and display issues, while others may need to consult a dealer for a thorough diagnosis and potential solutions if the problem persists.