After in sight of the vehicle one can yell shotty no blitz, however if they do not say "no blitz" at the end of the sentence any other person around can say blitz and the front seat automatically becomes theirs.
boy1. HEY i got shotty
boy2. BLITZ, you didnt call no blitz
boy1. so i still called shotty
boy3. nah man u didnt call no blitz
boy1. oo shit
boy2. you dumbfuck should have said shotty no blitz