Connect vcds, go to 77 tlephone and check if U have BT and what model.
If U don't have vcds, definitely somebody from forum help U from Your area.
Then you will know what's going on
Btw iphon don't see BT older like Q. your car is old like my then definitely U have to old BT.
Q and AA that's the newest.
I used before H and all android phons, Nokia was ok, connected properly
But when I try iphon nothing.
Now I changed to Q and all phones works