See also:

Under the Hood
Mazda3 models now offer a choice of engines:   Standard  148-horsepower, 2.0-liter four-cylinder engine that teams with a five-speed manual or five-speed automatic transmission Opt ...

Exterior
The 2010 Mazda3's exterior styling builds on its predecessor's athletic proportions by emphasizing design features. One of them is the front grille, but Mazda may have gone a bit too far with it, ...

Audio Control Switch Operation (Steering Wheel)
* Some models. When the audio unit is turned on, operation of the audio unit from the steering wheel is possible. For navigation system equipped vehicles, refer to the separate manual “NAVIGATIO ...