took my key to vw to code but they cudnt do it saying i need a transponder since then i have the immobo light flashing on the dash vw said it will turn off by itself after a few engine starts with the proper key, when i put the key they tried to code in it opens the doors by remote and starts the engine then the car turns off with a error saying" immob activated" now i know i need a new transponder but how do i get rid of the flashing light pls pl spl shelp