We own a 2016 CX-5, bought 09/2015. Current mileage about 18.5K. The owner manual is not well organized. A couple questions, please:
1) How do I turn off the radio?
2) Where is the cabin air filter located? The manual is mum on that filter.
3) How often to change cabin air filter?

Since I live in the desert I will be changing the engine air filter today and figured to get the cabin air at the same time.

 

1. Unless they changed the radio that much between MY2013 and MY2016, just hit the power button on the left side.
2. Filter is behind the glove box (as is common practice with many manufacturers. Just to a Google search for "how to change cabin air filter on Mazda CX-5" and you'll get lots of video hits.
3. Change interval varies with type of climate and driving conditions. Sounds like yours is probably due, since you live in dusty (?) conditions. You can buy them online (Amazon) for next to nothing.

 

2015/2016 stereo can't be turned off, you either turn the volume down or press the mute button.

Pollen filter is due every 2 yrs or 40,000kms. However, different environments may warrant replacement earlier.

 

My video on how to change a cabin air filter for a Honda CRV. Same procedure applies for a CX-5 and most other vehicles.