Please confirm which t-harness is required for 2019 Volkswagen Jetta

Question

2019 VW Jetta. Push-to-start

Want to buy Evo-All for remote start using OEM key fob. 

1. Which t-harness don’t need? THAR-VW 1.2.3. Or 6?
2. Does this require sacrifice of a key?

Answer 1

Hello,

What is the manufacture date of the vehicle?

Best regards.