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 ...

Brake/Clutch Fluid
Inspecting Brake/Clutch Fluid Level The brakes and clutch draw fluid from the same reservoir. Inspect the fluid level in the reservoir regularly. It should be kept at MAX. The level normally drop ...

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. ...