Hyundai Motor — Key sensor is not working

Address: TEZPUR

Dear, Sir Mdm
I m ur valuable customer from tezpur. Assam .I Bought a new car on 22 jan 2021 from ur dealer krishna hyundai...but i m very disappointed to infrm u that ..From last one month I ve been facing some issues over starting problem.
My key sensor is not working properly ..I ve already shown my car at dealer they changed my battery of key and assured me it ll be alright ...
but unfortunately from nxt day the problem is same n again same issue rise.
sensor is not working.. I also informed them but not get prper response ..sir i very bsy person its very impossible for me to drive 50 km daily to solve my issues however my car is brand new it is under warranty period..
what s ur suggestion shall i return my car...my expectations was more from hyunadi brand
but unfortunatelly nothing happen gud...
i request u to plz solve my as earliest...n try to send well trained technician to my home...Thnks regards Debasish Adhikari