Loving the new car overall, and can't wait to add a few things. Here's a breakdown of the car so far:
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If you've made it this far, you deserve a prize... Thanks for reading!
1. New-car fume you've been smelling should be normal. May be you're more sensitive against some off-gassing interior components. Have you experienced the same from previous new vehicles you purchased?
2. Seen this complain many times on more effort to close the last door on Gen-2 CX-5. We had a 2017 CX-5 Touring for the last 12 days as a loaner, wife and I didn't notice this. Keep in mind CX-5 cabin is not a "sealed" environment, as there're 2 big one-way exit vents at rear bottom corners. And if you set your climatic control as the outside air, there's an entrance vent where the air can also be escaped when you close the last door. If CX-5 cabin is really air-tight, how does the climate system let fresh air in when you set it to outside air? And the cabin becomes a dangerous place driving the car due to lack of fresh air.
3. Unfortunately you didn't notice the difference between power door locks with "remote keyless entry" and "Mazda Advanced Keyless Entry System". I believe it's difficult to upgrade from your Sport to the "Advanced" system. You could get all the OEM parts from advanced system but that would be too expensive. Finding an aftermarket system should be the only alternative if there's one available.
4. Based on people's comments here I believe your basic 6-speaker audio system is worse than previous 6-speaker system. The same I feel newer 10-speaker Bose with added tweeters and subwoofer is worse than my 9-speaker Bose other than a little better high notes. Adding a self-powered sub is always a common solution but most aftermarket sub is not small enough to put under the front seats. You should check into speaker upgrade base on Gen-1's 4/6-speaker system which should improve some audio quality:
Here is excellent write up by RG_Flyer who installed an aftermarket infotainment system into his 2016 CX-5 Sport. In addition to BlueTooth connection and color touch screen, I believe RG_Flyer also figured out a way to make steering wheel audio controls work with the system! (cool)
Finally! The correct parts for the 2016 CX-5 Sport:
5. Miscellaneous comments. Yep that round metal plate is to access fuel sending unit with fuel pump inside of fuel tank, and Bose sub is located in the spare-tire well. You can get all the parts for rear AC vents used on Touring and GT, again, the price would scare you off. Other things such as adding aftermarket fog lights with LED DRLs you should be able to find info here with a search.
6. Like DrElectron suggested, it seems you should get a Touring instead of a Sport just for Mazda Advanced Keyless Entry System and rear AC vents you really want. You can always replace leatherette with Lux Suede insert seat cover with Sport's cloth seat cover which is easier and cheaper to do.
7. Finally, I'd like to know what kind of price I'm going to get from you ⋯