Horn
To sound the horn, press the 
mark on
the steering wheel.
See also:
Trailer Towing
The Mazda3 is not designed for towing.
Never tow a trailer with your Mazda3. ...
Starting the Engine
With advanced key
Refer to “Starting the engine”
for information on how to start the engine.
NOTE:
Engine-starting is controlled by the spark
ignition system.
This system meets all Canadian Inte ...
Supplemental Restraint System Components
1 Driver/Passenger dual stage inflators and air bags.
2 Crash sensor, and diagnostic module (SAS unit).
3 Seat belt pretensioner and load limiting systems.
4 Front air bag sensor.
5 Side crash s ...