SOLVED: Rear Defroster stays on for 1 minute - is that normal?

[Watchesandburgers]

It rained yesterday, and because there's no rear wiper on the Taycan (non CT/ST), I often turn on the rear defroster. However, it only stayed on for one minute (literally). Is that normal?

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[W1NGE]

It rained yesterday, and because there's no rear wiper on the Taycan (non CT/ST), I often turn on the rear defroster. However, it only stayed on for one minute (literally). Is that normal?

Odd I'd say but it may be working in tandem with the AC and decided it wasn't necessary to save energy. Ordinarily I'd expect 10mins is switched on manually.

 

[Watchesandburgers]

Got the answer from my local service center. The rear defroster turns off "Depending on outside temperature." Problem solved. Kudos to River Oaks Porsche, Houston.

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