If you have keyless entry see how to set the car to lock itself when you walk away from it.
Mazda 3 door lock settings.
See the owner s manual in vehicle displays.
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.
Function number 3 is the factory setting for your vehicle.
With theft deterrent system the hazard warning lights flash when the theft deterrent system is armed or turned off.
Sensing area of door lock touch sensor depression on outer side of door handle sensing area of door release touch sensor inner side of door handle.
Auto lock unlock function setting change using door lock switch.
Adjust vehicle convenience settings such as automatic wipers automatic door lock blinker speed automatic lights automatic clock time setting and more.
Function number 3 in the following table is the factory setting for your vehicle.