Loading Oziexplorer onto Toyota in dash navigator

Does any one know how to load OziExplorer and topo maps onto an in dash navigator in a current model Landcruiser Sahara or VX. I already have a Hema style navigator that sticks on the windscreen, but would like to do away with that and just use the in-dash unit. Toyota say it can't be done, but I am sure it must be possible. Any suggestions?
Simon

Not familiar with the Toyota, however if it has an SD or USB port feel sure you could get it to work.
I have an in dash aftermarket in my Patrol and purchased a mini SD from Ozi.
Best bet would be to contact OziExplorer and seek their advice.

Thanks for that. I haven’t got the car yet but am thinking of getting one. There’s a slot on the dashboard for a micro SD card so I put my card with oziexplorer and my maps and data on and see what happens but to get into earlier versions of Toyota navigators you need some aftermarket hardware so I am not too optimistic