See also:

Audio Set
Audio information is displayed on the information display. Power/Volume/Sound Controls Power ON/OFF Switch the ignition to ACC or ON. Press the power/volume dial to turn the audio system on. ...

Ignition Switch
Auxiliary key (with advanced key) NOTE: When starting the engine using the advanced key, refer to Starting the Engine. When starting the engine with the auxiliary key, perform the following pr ...

Under the Hood
The Mazda3 i comes standard with a 148-horsepower, 2.0-liter four-cylinder engine that can team with a five-speed manual or five-speed automatic transmission. Mazda3 s models use a 167-hp, 2.5-lit ...