Mazda 3 Owners Manual: Theft-Deterrent System
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.
Immobilizer System
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 hel ...
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 ...
Other materials:
Variable Tumble Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable tumble solenoid valve..
4. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable tumble solenoid valve..
...
Unfastening the Seat Belt
Depress the button on the seat belt buckle.
If the belt does not fully retract, pull it out
and check for kinks or twists. Then make
sure it remains untwisted as it retracts.
NOTE
If a belt does not fully retract, inspect
it for kinks and twists. If it is still not
retracting properly, ...
Aerodynamic Under Cover No.1 Removal/Installation
1. Remove the aerodynamic under cover No.2..
2. Peel off the front mudguard..
3. Remove the bolts and fastener.
4. Remove the aerodynamic under cover No.1 in the direction of the arrow shown
in the figure.
CAUTION:
Be careful not to damage the aerodynamic under cover No.1 durin ...
