Engineering menu

This is the Forum for all your Citroen Technical Questions, Problems or Advice.
atrifan39
Posts: 4
Joined: 24 Mar 2026, 09:28

Engineering menu

Unread post by atrifan39 »

Hello all. Does anyone on here know how I can put my radio in engineering mode please. Citroen relay 2016, without nav
User avatar
mickthemaverick
Moderating Team
Posts: 20122
Joined: 11 May 2019, 17:56
x 7777

Re: Engineering menu

Unread post by mickthemaverick »

What are you trying to do? :)
I used to be indecisive, now I'm not so sure!
I used to ride on two wheels, but now I need all four!
atrifan39
Posts: 4
Joined: 24 Mar 2026, 09:28

Re: Engineering menu

Unread post by atrifan39 »

I want to check firmware version.
I know is 3 buttons have to press, but forgot which ones. Engineering menu, hidden menu whatever is called