radio code help please?

Hi Please could anyone help me find a code for my clio radio which has gone off due to disconnected battery.
model no:22dc 278/62b
prod no:fd 0302480331122
serial no:tov791
rn 278f20331122

also these other numbers are on the back:
8200 057-681-b
8200057681 tv791

am sick of singing to myself in my car....please help! cheers,

Teresa
September 2009