No. 3 Additional Key Programming Procedure Changing: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- This procedure is performed for disabling the No. 1 Additional Key Programming Procedure (Using Two Valid Keys).
- The setting is "Customer spare key programming enable" when the vehicle is new or the keyless control module is replaced with a new one