R8 button for Audi B9 A4 A5 S4 S5 RS4 RS5 2017-2022 steering wheel start switch driving mode switch

Warm Tips

1. his wiring is simple. Just connect the switch signal wires.

2. If your car does not have a start button and a driving mode switch. This switch cannot be used.

3.driving mode switch is no need to connect the driving mode switch wire. Need to use ODIS-E computer to write BCM parameter file，We can provide parameters.

4. Advanced Chips: Engine stop switch button uses the top chip and wireless module, the transmission rate is faster, there is almost no delay, and the stability is higher.

5. High Quality: Push the steering mounted, red coloured engine start / stop button, giving you a wonderful driving experience.