Ford Focus St 2007 Standard Sat Nav

[Ricleigh]

Hi this is my first post. Would like to a hello to everyone.

Ive recently bought a focus st 07. I want to fit the ford standard sat nav into my car could anyone pls help me with a few questions about this;

1. What is the make and model number that the standard sat nav would be

2. Would my multi function stalk still be able to control the sat nav

3. Where would i buy one from and is it a simple plug in device

4. approx cost fitted

Thanks so much in advance for your help