A recent infotainment touchscreen fault is the only problem I’ve had with my 2014 Mazda 3 hatchback in 5 years of ownership. At a standstill the touchscreen would became erratic and take on a mind of its own, making random selections from the various menus. Typically it would repeatedly (and embarrasingly!) phone contacts by the bluetooth connection, change the audio source and make the satnav unusable. It was impossible to navigate away. The short clip shows a problem on the sound settings page.
A search revealed that this has been a problem affecting some owners over the years. There was no problem whilst driving. The infotainment touchscreen enables at very slow speeds or at a standstill as a safety feature.
Fortunately there’s a workaround to disable the touchscreen and just use the manual control dial. This has worked perfectly for me and best of all its free. Not being able to use the touchscreen is only a minor inconvenience. As ever there’s plenty of information on YouTube and I found this video by martinc950 very helpful. Here’s a summary of how I got on.
The process took me a couple of hours and the mod works perfectly. I purposely took my time to avoid damaging any of the trim.
Disclaimer: This is a summary of how the workaround worked for me and is not the official or necessarily the correct way.
A.M. Photoblog 
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