Honda — Regarding stereo system touch screen not working

Address:

Phagwara

Hello
I am from Phagwara I bought Honda city in 2017 new model with number PB09AC8300
Under name Shanti sons from Lally motors pvt LTD Pragpur Jalandhar
My main complaint is my stereo touch screen not working and ask Lally motors so many times and they said it’s out of warranty from March and need to repair from outside my main thing is I send my car for service in January with same Compaint and they forget to repair and said they will repair next time and in March lockdown start and can’t do any thing after lockdown I ask same they said can’t do any thing
Now thing is what’s my fault if screen damage and out of warranty in March but I send my car in January and they forget to repair now they not showing anything
Please help me and change my stereo system in warranty

Waiting for ur positive reply