Issues with Mazda CX-5 & Warranty

Hi OzBargainers,

Warning up front it will be a long post.
I am stuck in an argument between car dealership and the car company.

From the first day the car's driver side mirror was vibrating and car dealership told me it's a known issue and the car company are working on a fix. After one year of to and fro, the car company released a fix which was to replace the mirrors with newer model mirrors and it didn't fix the issue. So this time the dealership and the car company informed me that this time local team is working on a fix. Again after 6 months again after running after the car company & dealership, a new release was out. This was the 10th or 15th time dealership took my car but to my surprise after 3 weeks they inform me that my car doesn't need that fix as it was all normal. During all this time I was also in touch with car companye's customer support and the support staff said now someone from local car company will take a look at my car. To my surprise after the technician's check he stated that my car has no issue as it's the characteristic of the car. Obviously feeing cheated and screwed around I asked them what were they doing for 2 years? The support staff also mentioned that they agree there is vibration but this is the best they can do. Dealership also has no answers for me.
Now the car company's support staff offered me a new car of the same model to test and we agreed if that also has same issue I will take my car back but if it doesn't they will fix it. After my testing of the loan car I didn't find any such issue but company's technician is refusing to fix anything. so I gave them 3 options
Fix it
Exchange the car
Refund the monies
Now last Friday dealership's service manager called me and threaten me to return his loan car as it is his, to which I responded that as you haven't fixed my car I can't. But he's persistent that he can come and take the loan car.

On speaking with company's support staff they say it's between you and dealership.

I am really feeling like as they can't fix it so they are trying to push it under the carpet.

So now I am not sure where I stand, am I in my rights with those options or I need to just except what they saying…..

Sorry as mentioned above it was a long post, but I really need some advise here

Any help / advise is appreciated

Regards,

Harsain

Update 1

I tried contacting the customer support at Mazda, he refused to come on phone stating he is in touch with dealership and are once they have all the relaxant info he will call me back today.

Update 2

Spoke with consumer affair and they suggested it's a minor defect under Australian consumer laws and hence better let it go.
Also, spoke with dealership service manager, he had a heart change and is happy to help and requested me to come for a test ride again with him and once I show the difference he will flight for me with Mazda. But that has less chance as according to him when he drove my car he felt its normal.

So seems I will take the car and negotiate a compensation.