Quote:
Originally Posted by itcaptainslow
The dealer is most probably correct-the various ECU’s involved will have a set number of pre-conditions to engage the stop start function (state of battery charge, coolant temperature, cabin temperature & air conditioning load etc) and if these aren’t met then it won’t function.
Doesn’t take much of a voltage drop of the main starter battery to fall outside of these conditions, but still being able to start the car on a twist of the key.
The advice above of investing in a CTEK or similar battery conditioner is good.
It’s not “made for main dealers to make money”; it’s one of the many things manufacturers are doing to try and drive down the CO2 emissions and thus tax a car attracts.
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Having spoken to the dealer they have said the same as you, it is parameters set in the ECU that will stop the car shutting down yet still able to start normally.
thank you for the advice
macafee2