See also:

Immobilizer System (without Advanced Key)
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helpi ...

Vehicle Information Labels
qVehicle Identification Number The vehicle identification number legally identifies your vehicle. The number is on a plate attached to the cowl panel located on the left corner of the dashboard. ...

Safety
Side curtain airbags and seat-mounted side-impact airbags are standard in all Mazda6 models, as are antilock brakes and traction control. ...