i can´t open my seat,it hav no keyhole, and i don´t know how to open it, the past owner did´t know. and the bike i had before had a keyhole (1999 model, my model i have know is Piaggjio nrg 50cc 2010 dt or dd, if i have eletrics lock on the seat, please tell me, or send link to me how to dod it.THX