[MOzS90]

With no answer here surely a call to your local dealer should bear fruit. With their safety ethos I can’t believe Volvo haven’t thought of this. My daughters backed booster seat just rests in front of the headrest (raised a little) in my S90 but she is 6 and close to being the legal height not to need one. I could see it being a problem on more “chunky” seats designed for younger children. I also wondered if it could be done but seeing as it wasn’t necessary moved on.