I purchased a used vehicle yesterday that already had a JVC stereo installed but no instructions for use. I cannot seem to identify which model it is, but after looking through each of the first batch on your website I found several that had similar face plates, but none are exact matches. It is similar to the KD-S27, except the buttons have different labels and in slightly different locations. Mine has a square "TAG" button where the KD-27 has the round "Menu" button for starters.