Use a Bodyshop to paint or repair your car for the first time
This is the easiest trophy in the game and probably the first one you will get.
When you drive in the city, search after a green wrench on your mini map. This is a body shop.
They looks like gas stations, when you drive through them you can repair your car, change randomly the color and the most important, you can refill your boost gauge.
No need to stop, it's instantly.
You can find them almost everywhere in fairhaven city.
When you first drive through one of them, the trophy will pop. (after a few seconds as always on PS3....