See also:

Audio Control Switch Operation (Steering Wheel)
When the audio unit is turned on, operation of the audio unit from the steering wheel is possible. NOTE: Because the audio unit will be turned off under the following conditions, the switches wil ...

Fuses
Your vehicle's electrical system is protected by fuses. If any lights, accessories, or controls don't work, inspect the appropriate circuit protector. If a fuse has blown, the inside element will ...

Two Strikes Against
The two strikes against the 2009 Mazda3 are its crash tests and its gas mileage. With the crash tests, the problem isn't the results, it's the lack thereof. The Insurance Institute for Highway Saf ...