Where’s the OBD socket?

Hello all, I’m totally new to the built Renault and hope for some information (purchase advice) from you. I just looked at a Laguna 2 Phase 2 (Bj 2005) 2.0 16v with 135hp and 150,000 km. Basically it doesn’t make a bad impression. Unfortunately there is no repair documents. So I would have to make the timing belt (with pulley and WaPu) and possibly also the clutch. Does someone happen to know how much I have to pay for it (circa)? A few problems, which I have to look at myself: window lifter passenger side without function, water in the right rear door (!!). And radio without function. The seller says he has a code for the radio and tries to enter it, but he doesn’t know where….. I don’t know what to think about it… Can you enter the code somewhere? (I assume there’s a new radio due) And last but not least, I’ve been looking for the OBD socket to get “the little one” out of it. but I can’t find the socket. I found in the inernet that at the phase ! the socket is under the ashtray. But at the phase 2 I didn’t get out the ashtray – did not want to break it, of course (then I have to buy it :-)) Where is this stupid socket and how do I get it? Thank you for your information Greeting Holger