need for speed under cover dlc boss pack help

i just downloaded the dlc boss pack for $5.00, when i got done downloading and installing it i play the game go to my cars and THE DLC CARS ARN'T THEIR i need help on how to get the cars on their. i mad and pissed off so plz help me.

this is also for prostreet two.

2 things. if there are supposed to be in the pack, re DL. you already bought it, just go back to purchases and re DL. if it STILL isnt there, contact sony or PSN or something like that