Scenic Mk1 1999 - How to replace rear lamp lens ?

[earlgreaves]

i have a Mk 1 Scenic 1.6, T reg 1999, and i accidently smashed the drivers side rear lamp lens cover a few weeks ago. i've bought a replacement :-
https://www.aepdirect.com/rear-lamp-right-hand-p2789

... but unfortunately i can't work out how to fit it ! please could someone kindly point me in the direction of some instructions on how to remove the old one and fit the new one ?

thanks very much,

earl