Just change the battery and check the voltage on the old one. A voltage under 3V indicates a failing battery. Did you see the key battery indicator warning light on the dashboard flash? Notes: User can program. New OEM transmitter. Self-programming of system in the vehicle to accept the new transmitter requires a working key. Key insert component is sold separately and not included with transmitter - user may transfer this component from original part. Free Key Fob Remote Programming Instructions for a 2006 Mazda MX-5 Miata. Time needed: 5 minutes. REMOVE key from Ignition. CLOSE ALL doors. OPEN Driver’s side door and LEAVE OPEN. a. INSERT key into Ignition. b. TURN to the ON position (just shy of cranking) and back to the OFF position. sprinkles08. Technician. High School or GED. 25,937 satisfied customers. I have a 2010 mazda 6 I and the keyless entry system stopped. I have a 2010 mazda 6 I and the keyless entry system stopped working. We can still start the car fine but we can't lock and unlock the doors. I took it to … read more. There isn’t any button or option to reset the keyless entry system in MX-5, but you can reboot all the on-board computers by disconnecting the 12 volt battery for a few minutes. Remove the cable from the negative terminal of the battery first, then from the positive terminal. Have a 2006 Mazda Miata MX-5, manual trunk release, remote fob or key will not open trunk, have checked fuse under dash okay, fob battery new power door locks work - how can I get into trunk short of … read more But the remote key can also stop working due to worn buttons, poor battery contact, water damage, defective key fob, receiver module issues, signal interference, dead 12 volt battery, and unpaired key requiring reprogramming. 1. Dead battery in key fob. Dead battery is the leading cause of key fob not working in Elantra. The 2019 mazda mx 5 keyless entry not working causes are dead battery or buttons are out of place. Sometimes just having the key in it and driving it will reset the alarm. 2 door locks repeatedly lock and unlock when approaching the vehicle with the advanced key. CoCIl7.

mazda mx 5 keyless entry not working