Lexus ES350 loud alarm when in reverse with red bar displayed on front panel on Lexus ES350

Some Lexus ES350 owners report experiencing a loud alarm while in reverse, accompanied by a red bar on the front panel, which indicates important safety alerts that require immediate attention. This alarm serves as a crucial safety feature meant to enhance driver awareness while backing up, especially given the vehicle's quiet operation. The red bar may signify a potential issue that could lead to damage or accidents if not addressed promptly. Owners are advised to take these warnings seriously, as they are integral to the vehicle's safety system, which alerts drivers to possible faults. If these alerts occur, it is recommended to stop the vehicle immediately and consult a Lexus dealer for assistance to prevent any further complications.