Update without running engine

Is it possible to update my sync 3 without running engine?
Because after about 15 min sync 3 switches off automatically.
Is there a way without burning gasoline senselessly?

turn it on and off every like 10 minutes…

Then the update aborts, right?

obviously not, otherwise I wouldn’t have said it.

or just run it on ignition not engine, if your battery is decent it will be fine

So every 10 min radio off -on
Is that what you meant?

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