This kit contains a simple plug and play device for adding spare proximity remotes or keys to your 2015 and up Mazda MX5.

The unit has a set of dip switches to select one of the three modes it operates in, which are :

1. Check number of current keys/remotes programmed.

2. Add key/remote.

3. Delete all currently programmed keys/remotes.

Just insert the unit into your vehicles OBD socket, follow the procedure of where to hold the prox key as shown in the video and in under 60 seconds your key/remote is programmed.

 You can see a video of the unit in action on a 2016 model here :