Hey Kris, I just finished installing a JVC S-11 in a 1996 Ford F-250, 7.3 Diesel, 4x4, crewcab. I bought the radio at wal-mart (Hillbilly K-mart) and got no manual in the box with it (Go Figure)...Anyway I went to JVC and they do not have a manual for the S-11...So I read a few others and then went out and monkeyed with it some more... Here's how to set the clock: Press and hold the select button for a few seconds, once it changes screens let go and tap the station search button until it says clock H...Then do nothing!!! Just wait...In a few seconds the clock will appear and the hour will be flashing. Use your station search buttons to set the hour. Press select button when done. Then do it again and select Clock M...etc etc. Bye Kris... Kris.