Before attempting to use the file, ensure it is legitimate. Files with .rar extensions from unverified sources can contain malware or, if applied incorrectly, can "brick" (permanently disable) your hardware.
: Ensure your car is in a well-ventilated area. Start the engine to prevent the battery from dying during the update, which can take 10–40 minutes. sc25289-ICARUpd1240.rar
: Most systems require a USB 2.0 or 3.0 drive formatted to FAT32 . Before attempting to use the file, ensure it is legitimate