Canon EOS 6D Firmware v1.1.3
Canon has issued a firmware update for its EOS 6D digital SLR camera. Version 1.1.3 fixes “a phenomenon in which the Date/Time/Zone settings screen appears on the LCD display, after the user has already configured these settings,” Canon says. The company suggests that you install this firmware update even if you have not encountered this problem yet.
Website: Canon EOS 6D Drivers and Software