Mirrorlink in new toyota corolla

Hi everyone,
I'm new in this forum as I have new toyota corolla model 2019. I have paid extra for multimedia with navigation but it doesn't work as needed.
Miracast and MirrorLink not working, navigation is problematic (doesn't find some adresses, etc. ) . I have tryed with Android auto but doesn't work in our country. I have reported everything to seller and they promised to solve problem till the 1.th of may. Date has passed, I wrote several mails to seller but no answer. I intend to report the whole thing to state office but am still looking for solution to use properly what I have payed. Any suggestion what else to do ?