Help 3d car dealer

The 3d car dealer when i try buying a car it’s just make a beep and says you need to be a job that can sell cars please help send me a picture or tell me where it’s located under please or add me on steam http://steamcommunity.com/profiles/76561198174596629/home/

[editline]29th September 2015[/editline]

I get home from school 4:44 us time

[editline]29th September 2015[/editline]

Ops U.S.

Which car dealer?