"The car refused to start the next day so it was recovered the next day to Audi who found that the battery had not been linked to to the cars main computer . So no DIY battery changing in future for newish cars? Is this common and when was it introduced?"
I became aware of this some while ago, but cannot find anything officially definitive about my Mazda CX-5, a 14-plate with what I'm certain is the original battery, which I'm assuming will need a new one at some point.
However, I did find online somewhere a procedure for "initialising" a new battery, which I assume means making the car's systems recognise a different battery is present. It involves pressing the brake and accelerator pedals and the i-Stop button, among other things. The new battery must be at least 75% charged, apparently. No idea if it works.
Edited by FP on 08/01/2022 at 14:50
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