Scirocco Central

hey folks,
i have had my sciroccor r for about a week now and totally loving it, only "problem" that i have with it is with the bluetooth phone option that came with the car. i have a htc sensation phone and the guy in the garage said that it may not work but just checking to see if there is anything i am missing.
i can connect the phone fine and the phonebook downloads fine, when i go to make a call it rings the other person but there is no ringing noise in the car and when the other person answers i cant here them and they cant hear me. not sure if it is somethin to do with my phone or the car?

any help or thoughts would be appreciated

cheers

I'm afraid I can't help but I've had problems with HTC phones in the past doing completely random things. My HTC legend wouldn't answer incoming calls everytime and my incredible kepts dosconnecting until I updated to the latest phone OS. even now the phonebook doesn't seem to be 100% perfect.

When you make a call with a bluetooth device connect there is an option on the phone screen where to route the call, i.e. through the hphone or through bluetooth, its not as simple asthe wrong option is slected is it?