Mazda Repair Questions? Ask Mechanics for Answers ASAP
Hi, if the remote is working then it may only require synchronizing with the vehicle,
here is a link to a video of how it is done, there is a text explanation in the description.
It's a fairly similar procedure for most of the Mazda's so may be worth remembering.
If this doesn't resolve it with a working remote, then the issue is likely to be more complicated and require diagnostics equipment.