Where is the sumo slammer card in crater lake ben 10 protector of the earth DS

on the second part of crater lake go where there is those two green platfoms
and when you go on the third platform there will be two stares jump on them
when you get to the top of the stares then there will be a cliff you will be
at the bottom of the cliff go xlr8 and triple jump[a,up,b]then there will be the
sumo slammer car