I've been potty training my 20 month old for the last month. When we are at home he usually only has one accident a day b/c his potty sits in the living room. Anytime I tell him to sit and potty he does it with ease. However, he doesn't talk yet so it makes things difficult when we are on the road. I don't want to bother teaching him sign language for potty b/c when I'm driving I can't see that! Any tips??? Please don't tell me to wait until he starts talking b/c I'm not going backwards. Thanks!