Mazda 3 Doors Wont Lock

Remote unlocking of the door.

Mazda 3 doors wont lock.

If all the doors are closed even though the liftgate boot lid is open all the doors will lock. When it stops working the first thing you want to do is fix it. European models all doors and the liftgate boot lid will automatically unlock if they are locked using the power door locks with any door open. The vehicle lock out prevention feature prevents you from locking yourself out of the vehicle.

All the doors and the liftgate lock automatically when the vehicle speed is about 20 km h 12 mph or more. If all the doors are closed even though the liftgate is open all the doors will lock. The vehicle lock out prevention feature prevents you from locking yourself out of the vehicle. A guide to replacing car door locks.

If one door doesn t work but others do the problem could be a blown fuse. If the remote key won t unlock car door even after battery swapping or fixing the battery contacts try a distant unlocking service. All the doors and the liftgate lock automatically when the vehicle speed is about 20 km h 12 mph or more. Replacing the fuse will correct the problem.

A fuse is blown. Most car brands offer a remote door unlock service for emergencies such as a broken smart fob and locking the keys inside the car. Again if one door doesn t work but others do the problem could be with the door lock solenoid. 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.

This is a cheap and easy fix. Replacing it may require removing the car door panel. The solenoid is bad. You obviously use your keyless remote to open your mazda door because it is convenient.