Have you tried the normal procedure?
1. Turn Bluetooth on from your iPhone
2. Start your car
3. Push the "Windows" button on your steering wheel
4. Have a lovely conversation with your car
4.1 "Settings"
4.2 "Paring"
5. Choose "Blue and Me" from your phone's Bluetooth paring
6. Enter the digits to your phone that the car is showing from it's menu
7. Done (?!)
Can't remember everything above. Haven't done that for a year now. Basically when you pair your phone with the car, whenever you have Bluetooth enabled at your phone and you start your car, they create a connection.
Hopefully I made some help...