S/S

[gabep]

What I know on Stop/Start Memory:

Sometime in 2020 Volvo updated Sensus cars in the US and Canada to have "memory" for S/S setting. If you turn it off in a drive mode, like default Comfort mode, it says off when you start the car. I bought my S60 in 2019, it did not have memory but later a software update at the dealer was done and it then had "memory". 

I beleive 2018 and earlier cars, either were not updated with this function for US/Canada, or don't support it, more testing is needed there. It is not clear, since it was a software update, it may depend on when the last software update (Total Upgrade) was installed on the specific car, to whether the 271 setting will work or not to enable S/S memory.

Volvo did not add "memory" for S/S to cars outside the US, they continued to default to S/S on each start, though those cars support it. This was not easy to change, from build codes, i.e. using VDash or others, as the setting keys off a market setting (enables only if the market variant code for the car is US or Canada).

With OrBit you can change it, as item 271. This allows cars outside US to have the S/S memory.

The later Android/Hybrid cars do not have the ability to disable stop/start from the screen that I know, no button. On 271 setting to 02 will not change anything, no button will appear. Using setting 03 "No button/No symbol, always off (HEV/PHEV/BEV)" I beleive does work for those cars, to disable S/S completely.

As far as 2018 cars are concerned, this is literally the first thing I changed in my XC60 when I got OrBit. I switched from "01 Button without memory, Standard symbol" to "02 Button with memory, Standard symbol" and it works perfectly: the car now remembers the last settings on start up. I'm not sure it's driving mode dependent, though: it's always on in Eco, always off in Dynamic/Polestar, and it follows whatever I set in the checkbox for Individual mode.