AWD Quattro?

Hello folks =)
i need small help … last part of weekly challange with Audi S1 is to won two street races just the problem is i have to use “AWD QUATTRO” but i cant find it on car tuning ( and basic is as AWD) can some1 explain me where i can find this option to swtich ?

sory for my english.

You use the same S1 for all the races in the Weekly Forzathon. Last part is 2 dirt races, “AWD Quattro” is just a reference to the “Quattro” AWD system Audi uses in their cars.