The hazard warning lights should always be used when you stop on or near a roadway in an emergency.

The hazard warning lights warn other drivers that your vehicle is a traffic hazard and that they must take extreme caution when near it.

Depress the hazard warning flasher and all the turn signals will flash. The hazard warning indicator lights in the instrument cluster flash simultaneously.
NOTE
Flat TireMazda 6 Owners Manual: Split Folding
By lowering the rear seatbacks the luggage compartment space can be expanded.
WARNING
Do not drive the vehicle with occupants on folded down seatbacks or in
the luggage compartment. Putting occupants in the luggage compartment
is dangerous because seat belts cannot be fastened which coul ...
Mazda 6 Owners Manual: Locking, Unlocking with Auxiliary Key
Turn the auxiliary key toward the front to lock, toward the back to unlock.
To lock
All doors lock automatically when the driver's door is locked using the auxiliary
key.
To unlock
The driver’s door unlocks when the auxiliary key is turned briefly to the unlock
position and then immediatel ...