Operation from inside
To lock any door from the inside, press the door-lock knob.
To unlock, pull it outward. This does not operate the other door locks.

NOTE
The red indication can be seen when the door-lock knob is unlocked.

Operation from outside
To lock the rear and front passenger doors with the door-lock knob from the outside, press the door-lock knob to the lock position and close the door (holding the door handle in the open position is not required).This does not operate the other door locks.
This does not operate the other door locks.

NOTE
When locking the door this way:
Auto Lock/Unlock Function
Rear Door Child Safety LocksMazda 6 Owners Manual: Relay inspection
Relay Type
Four-terminal
Type A
1. Remove the relay.
2. Inspect for continuity between the relay terminals using an ohmmeter.
If not as specified, replace the relay.
Type B
1. Remove the relay.
2. Inspect for continuity between the relay terminals using an ohmmeter.
If not as ...
Mazda 6 Owners Manual: Push-Starting
Do not push-start your Mazda.
WARNING
Never tow a vehicle to start it: Towing a vehicle to start it is
dangerous. The vehicle being towed could surge forward when its engine starts, causing
the two vehicles to collide. The occupants could be injured.
CAUTION
Do not push-start a vehicle that ...