Welcome to the forum.
Its nice to see you made an intro on your own.
Which radio model do you have fitted? Some sat/nav models use the shark fin fitted in the roof.
The Bluetooth module is generally under the passenger seat.
Bluetooth FAQ for mk5-mk6-mk7 VW Golf, Jetta, JSW: 9w2, 9w3, 9w7 modules
You need to get your motor scanned (preferably with VAG-COM\VCDS) for any error codes logged in the ecu and post them, that will save a lot of guessing and check systems out.