The Directed THHYN4 vehicle-specific T-harness seamlessly integrates select 2015-2020 Hyundai and Kia models with AutoStart DS4 remote start systems. This factory-fit integration harness eliminates guesswork and ensures a clean install with OEM-quality connections. With model-specific connectors and wiring schematics, the THHYN4 remote start T-harness provides a reliable interface between your Hyundai or Kia and the remote starter unit. Directed takes the hassle out of installation with their vehicle-targeted T-harnesses.