Hyundai Motor India — service is not satisfy

Address:

Rajkot, Gujarat

I m riddhi kariya.. I was buy i20 car 15 days ago from rajkot shiv hyundai. When i put to car in service the problem is created in my remote locking system.. When i put to car in service the remote lock is completely fine condition. But after service that is not working... When i m called to servuce center they said that the lock is not working dut to water and not give me satisfacorty answer.. They are responsible for this issue.. Please help me immediatey..