A week ago, I bought myself a Hyundai i20 with built in GPS, type Kenwood DNX3160BT.
I went first to the Kenwood website, looking for updates and found them. A file named S_V3_1_0008_0900.zip which was around 600MB.
I placed this file on a SDcard and went to my car. My Kenwood DNX3160BT said that there were new updates found on the SDcard and asked me if I wanted to install / update it. I clicked ...