radio and phone connection lost

[TREDYNAS]

my maclaren 570S RADIO AND PHONE SYSTEM HAS LOST THEIR CONNECTION. IVE TRIED PUSHING AND HOLDING THE CENRAL BUTTON
BUT NO EFFECT.
ANY IDEAS

[Oceanrower]

PERHAPS IT’S BECAUSE YOU’RE SHOUTING AT IT!

[semisane]

Do you get any messages on the screen ?

[TREDYNAS]

YES.'
DIAGRAM OF A WIRE AND PLUG PLUS THE WORDS IN LINE.THEN INITIALISATION THEN BLANK
SELECT PHONE GIVES 'PHONE NOT CONNECTED'
SELECT.MEDIA GIVES TUNER NOT FOUND THEN BLANK
IVE FIDDLED ABOUT WITH BLUETOOTH WITH OUT SUCSESS
THE FAULT OCCERED AFTER SOME.WORK TO INSTALL A TRACKER

[BobM]

TREDYNAS said:

THE FAULT OCCERED AFTER SOME.WORK TO INSTALL A TRACKER

And there's your answer, I'm sure. Whoever installed the tracker needs to sort it.