How old do you have to be to test drive a new car in California?

My friend is 18 with a full time job making well above minimum wage and is looking to buy a new car. I'm going with him instead of his parents because I know quite a bit more about cars than they do due to learning a lot from shop and working with my step father who is a mechanic. I'm only 19 though. Will they let us test drive the vehicles? Or will they deny the test drives because of our ages? We aren t test driving any extravagant cars, just like ford fiestas and Chevy sparks, and other small and simple cars like that.

Should i buy a Ford Fiesta ST Replica?

Okay so i'm 17 and i've just passed my test, now i'm looking for a car. I have roughly £7500 and i've searched top to bottom for a perfect car. I'm stuck on a Renault Megane Monaco GP special edition, Honda CRZ, Renault Clio white or ford fiesta Zetec S.
Now… I learnt to drive in a 2015 fiesta and i can say its nice to drive, everything good about it. But the regular fiesta is boring and looks girly. So i've chose the Zetec S white 2013 with the face lift (new grill). BUT… There's various Ford Fiesta ST replicas that are the exact same price! There's a white one that look just like the real thing, the only reason id get the replica is because it looks better than the Zetec S.
So, should i get it instead of the Zetec S? Also would anyone be able to tell other than the power? Obviously it won't sound as good but would someone be able to see its a replica just by looking at it?
I'm not bothered about it being a replica because its just like the Zetec S but with an upgraded interior and body kit, so the power factor doesn't bother me… But what do you think? Could i lie and say its really the ST? Also are there any complications such as because this guy has put all the ST parts into his fiesta is it safe? I'm just being picky but i have OCD about anything that isn't factory approved haha, thanks anyway!

Code for a Ford fiesta 06 plate radio M096381?

I have had no radio since my abs module was replaced four years ago lol just changed the battery which has reset the radio and I might be able to get music back into my driving time! Anyone have the code I need please? Isn't in my manual.

I'm 20, should I buy a new car?

I'm 20 and my first car has lasted me 2 years. Now however it seems that it's on its last leg. Engine is suddenly misfiring after I previously swapped the engine. It also need brakes and rotors, Etc. Basically I don't want to put a lot of $ into something that won't be reliable. I'm looking into a 2015 Ford Fiesta considering it will have a warrantee for many years and is under $17000. I figure if I buy new I most likely won't have issues. I'm a full time student but live at home with parents. I only pay for food for myself and school books as well as my current car insurance and credit card. I make about $1500/2000 a month. The car and insurance payments would only total about $450 a month. What do you think?

Is there anything wrong with my car?

I have a 2008 Ford Fiesta ST500. I d parked my car on a hill and put it in gear (as I always do in case the handbrake fails). As I returned to my car, I put my foot on the clutch, took the handbrake off so the car started rolling and I tried turning the key to start the engine but the steering lock was on but I d already lifted up my clutch. The car jolted as if it was trying to jump start then there was a loud bang and smoke appeared coming from under the bonnet. I tried starting the car again but the engine just ticked over and wouldn t start. I tried it again after a few minutes and applied the accelerator and the car started. Ever since the car has seemed to lack some power. I'm not sure if this is actually the case or that I'm just paranoid. Anyone got any ideas on what the bang was and where exactly the smoke came from?

Aux Input on Ford Fiesta?

Currently got a Ford Fiesta Studio 2010 reg.
Am wondering should this car come with an aux input as standard?
I checked most general places like next to handbrake were there's only a cigarette lighter input and in the glove box which also doesn't have an aux.

Is there any way you can install an aux into this radio? As there's an AUX button on the radio.

Hope you can help!