Front Door Removal/Installation
Removing the front door without supporting it could cause the front door to fall and cause serious injury. Always perform the procedure with at least another person to prevent the front door from falling.
1. Disconnect the negative battery cable..
2. Remove in the order indicated in the table.

Bolt A
Connector
(See Connector Removal Note.)
Bolt B
Front door
3. Install in the reverse order of removal.
4. Adjust the front door..
Connector Removal Note1. Pull the rubber boot outward.

2. Press the tab in the direction of arrow (1) shown in the figure using a tape-wrapped flathead screwdriver, and remove the connector from the body in the direction of arrow (2) shown in the figure.

3. Lower the lever in the direction of arrow (1), and disconnect the connector in the direction of arrow (2).

Test yourself
A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.