How Do I "Install Radio" in the Car?

[Ron]

I bought a new car, repainted it and drove out of the car shop. There was still a marker there, saying "Install Radio". So I drove back in. There is absolutely no indicator to buy/change/install a radio. What am I missing (p.s. This game has the absolute WORST driving mechanic in any game that I have ever played).

[Ron]

For anyone else with this problem I realized it is one of the many bugs. I bought a car. You have to put the radio in the buggy - there IS no option to put it in the car. So I had to switch back to the buggy and could complete it.