Mazda 6 Owners Manual: Theft-Deterrent System (Some models)
If the theft-deterrent system detects an inappropriate entry into the vehicle, which could result in the vehicle or its contents being stolen, the alarm alerts the surrounding area of an abnormality by sounding the horn and flashing the hazard warning lights.
The system will not function unless it's properly armed. So when you leave the vehicle, follow the arming procedure correctly.
Operation
NOTE
The engine may not start and security indicator light may illuminate
or flash if the key is placed in an area where it is difficult for the system
to detect the signal, such as on the d ...
Operation
System triggering conditions
The horn sounds intermittently and the hazard warning lights flash for about
30 seconds when the system is triggered by any one of the following:
Unlocking a door w ...
Other materials:
Mazda 6 Owners Manual: Locking Lug Nuts
If your vehicle has Mazda optional antitheft wheel lug nuts, one on each wheel
will lock the tires and you must use a special key to unlock them. This key will
attach to the lug wrench.
Register them with the lock manufacturer by filling out the card provided in
the glove compartment and mail ...
Mazda 6 Owners Manual: Fuel Gauge (Without Multiinformation Display)
The fuel gauge shows approximately how much fuel is remaining in the tank when
the ignition is switched ON. We recommend keeping the tank over 1/4 full.
If the low fuel warning light illuminates or the fuel level is very low, refuel
as soon as possible.
Refer to Warning Lights.
NOTE
...