clock,thermomitor,electric,mirrors,stopped workin,on my v reg megane coupe?

the clock,thermomitor,and electric mirrors have stopped working on my v reg renault megane coupe.....

the other night when i finnished work they all worked,we had a big freeze here,the next morning when i used my car they didnt work,ive checked all the fuses,and swaped the relays around but still nothing????i dont know what else to try????thanks steve