See also:

Immobilizer System (with Advanced Key)
The immobilizer system allows the engine to start only with an advanced key the system recognizes. If someone attempts to start the engine with an unrecognized advanced key, the engine will not s ...

Beep Sounds
Air Bag/Front Seat Belt Pretensioner System Warning Beep If a malfunction is detected in both the air bag/front seat belt pretensioner system and the warning light, a warning beep sound will be he ...

Safety
Side curtain-type airbags and seat-mounted side-impact airbags are optional in the Mazda6 i base sedan and standard in other models. Antilock brakes and traction control are standard. ...