: Interrupting a firmware flash is the most common way to break an infotainment system.
: 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
: Reach out to the website or individual where you downloaded the file for their specific installation readme. : Interrupting a firmware flash is the most