Why does manual pre-conditioning not use shore power?

[prj]

Tested it too:

preheat to schedule - uses shore power (even if only 5 minutes in future).

Preheat on demand - uses battery even if charger connected.

so you can make it use mains power, just not conveniently.

I suspect this is on purpose, because you could have a super expensive floating electricity tariff and then it's going also to be a problem. I guess the logic is, if a time is set then it's safe to assume that the electricity can be used at that time.

However, what they could have done easily is add the option in the app when manual heating whether it should use the electricity from the charger when it is available.

That said, since you can just set a timer 5 min in the future you can already do both....

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[F1Ruaraidh]

It's safe to say, it's a confused mess that's not obvious to the driver.

You don't expect a car to waste valuable battery range when it's plugged in.

 

[whitex]

I suspect this is on purpose, because you could have a super expensive floating electricity tariff and then it's going also to be a problem. I guess the logic is, if a time is set then it's safe to assume that the electricity can be used at that time.

However, what they could have done easily is add the option in the app when manual heating whether it should use the electricity from the charger when it is available.

That said, since you can just set a timer 5 min in the future you can already do both....

I doubt it was deliberate. Taycan could simply utilize the same mechanism that it uses to determine when it’s ok to charge above the minimum, and use shore power in that case. Also, if you leave preconditioning on long enough, it will drain enough battery such that charging starts, so they obviously don’t worry about using shore power.

My money is still on different teams implementing preconditioning from app vs. via timer, and nobody paying attention to the big picture.

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