I just fixed this same problem.
Mazda 3 door lock problem.
The problem is a half open door latch that won t let the door unlock.
Auto lock unlock function setting change using door lock switch.
Before you dive into removing your door try this.
Function number 3 is the factory setting for your vehicle.
The key fob for your mazda has a built in chip that s programmed so your security system will both recognize and accept it allowing you to open your doors.
Order mazda 3 door lock actuator online today.
Pull the door handle and release it letting it snap back several times.
The vehicle lock out prevention feature prevents you from locking yourself out of the vehicle.
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It happened to me 3 different times in a month so i got good at it.
Mazda 2003 mpv door locks.
Free same day store pickup.
If all the doors are closed even though the liftgate boot lid is open all the doors will lock.
The doors and the liftgate can be set to lock or unlock automatically by selecting any one of the functions from the following table and using the driver s doorlock switch on the interior door panel.