Horn
To sound the horn, press the 
mark on
the steering wheel.
See also:
Operating Tips
Operating the Climate Control
System
Operate the climate control system with
the engine running.
NOTE:
To prevent the battery from being discharged,
do not leave the fan control dial on for a lo ...
Engine Oil
NOTE:
Changing the engine oil should be done by an
Authorized Mazda Dealer.
Recommended Oil
Use SAE 5W-20 engine oil (Without
turbocharger).
Oil container labels provide important
information.
...
Under the Hood
The 2.0-liter four-cylinder in the Mazda3 i has variable valve timing and
develops 148 horsepower (144 hp in PZEV form). The Mazda3 s uses a 2.3-liter
four-cylinder that pumps out 156 hp. A five-s ...