Vivo Digital Car Key Now Supports Volkswagen: Step-by-Step Setup Guide

Conclusion first: A digital car key turns your phone into a car key—it unlocks automatically when you approach, and you can start the engine by pressing a button once inside, all without pulling out a physical key. This time, vivo has adapted to SAIC Volkswagen's ID.ERA 9X, 8X, and 5S. I tested the 9X with a friend for a week; the process isn't difficult, but there are a few pitfalls you need to avoid beforehand.