Mazda 2012 MX-5 Owner's Manual page 68

Knowing Your Mazda
Advanced Keyless Entry and Start System
Lock button Unlock button
Trunk button
Panic button
Operation indicator light Auxiliary key
Key code number plate
A code number is stamped on the plate attached to the key set; detach this plate and store it
in a safe place (not in the vehicle) for use if you need to make a replacement key.
Also write down the code number and keep it in another safe and handy place, but not in
the vehicle.
If your key is lost, consult your Authorized Mazda Dealer with the code number ready.
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