l bought a zx the other day and forget to ask the radio code, ive tried all the simple ones 0000, 1111, 1234 etc, but to no avail, is there a default code l can try as he was an old man and would imagine he never changed it from the default.
thanks in advance

A Citroen main dealer will advise you.

Citroen will have your code on a data base. They should find it from your registration number.

There is no default code they are all different.
Ask the Dealer

There is no default code as each radio has its own code.

To obtain this code, remove/extract the radio from the dashboard and quote the MAKE , MODEL and ALL the NUMBERS and LETTERS on any LABELS , BARCODES or STAMPED IN THE METAL.

Then contact here who will calculate your code for free and offer any further advice

tinyurl.com/222codes