first of all you must register choose a name etc.

than you go to your signature:
you put in the box

money: $35000
job:
sponsor:
club:
----------
car:
hp:
w:

[car picture]

if you have done this you can buy a car by the cardealer.
you can not buy a car out of the ''department store''

how do you buy a car
you want a car from $7500 you post in the topic that you want that car.
you say i want to buy this car (name of the car)

than if he said ok you post this

$20000(your start money) - 7500 (price of the car)= 12500(this is the money what you got you must change that in your sig)

if you have buyed the car you can set it in your sig

thnx for reading