All doors lock automatically when the lock side is pressed. They unlock when the unlock side is pressed.
Driver's door

Front passenger's door

To lock all the doors from an open front door, press the lock side of the door lock switch and then close the door.
NOTE
When locking the doors this way, be careful not to leave the key inside the vehicle.
Locking, Unlocking with Transmitter
Auto Lock/Unlock FunctionMazda 6 Owners Manual: Front fog light bulb removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
Caution
A halogen bulb generates extremely high heat when it is used. If
the surface of the bulb is soiled, excessive heat will build up and the
lights life will be shortened. When replacing the ...
Mazda 6 Owners Manual: Rear wiper arm and blade removal/installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. Adjust the rear wiper arm and blade. (See REAR WIPER ARM AND BLADE
ADJUSTMENT)
Rear Wiper Arm Installation Note
Clean the rear wiper arm connector shaft using a wire brush before installing
the ...