: 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.
Could you tell me you are trying to update? This would help me find more specific technical requirements for you. sc25289-ICARUpd1240.rar
: Plug the USB into the car's primary data port. The system should automatically detect the update or allow you to select "System Update" in the settings menu. 3. Safety Warning : Ensure your car is in a well-ventilated area
: Extract the .rar file on a PC to see if it contains a .txt or .pdf instruction manual. 2. General Installation Steps (Typical for ICAR Updates) sc25289-ICARUpd1240.rar