hi all please please help,I changed battery in my 06 laguna but now I have no code for sterio,I took radio out and these are the numbers I have found. RNRD 2540000555 RENRDW 270-10 RENAULT 8200 292 329 8200 292 329 [R846-SECURITY] GOING ON A LONG TRIP WITH FAMILY AND CANT BEAR TO THINK WHAT IT WILL BE LIKE WITHOUT THE RADIO. THANKS IN ADVANCE.