Surround Camera Malfunction
Porsche electronics are goofy. The rest of the car is solid. Italian EVERYTHING is goofy.
Porsche electronics are goofy. The rest of the car is solid. Italian EVERYTHING is goofy.

In a perfect world, Porsche would build from the ground to the cabin, then turn it over to Nissan for the electronics. I say this coming to Porsche from an Infiniti. My only complaints about my Cayenne are regarding electronics and user interface, where I’ve been spoiled.
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Normally, this happens when the battery voltage is too low, and one or more sub-systems fail to initialize correctly firing one or more lights.
I noticed, since I bought my brand new 2019 Porsche "Cayenne S" last year is that starting an engine vehicle normally produces a voltage drop, and when systems are initializing it can potentially cause one to fail to initialize correctly.
To avoid those issues, I always turn the key to the on position, but do not start the engine until all the dashboard lights dissappear. That means all electronic subsystems have finish booting
Then I turn on the engine. The latter process has made those random lights go away for months, or until I forget to do that.
When the starter is used, there will be a nornal dropped in voltage and any booting electronic subststems will see and use that lower voltage, which I think causes these issues .
The latter issues are very similar to when you have an old or discharged battery in any type of vehicke (battery voltage will be lower than 12.6 volts) and then some subsystems will fail to start. .i e. ABS, electronic stability control, engine, etc Sometimes you get various lights because some systems depend on others. .i.e. if ABS system is bad, then stability systems will fail too.
For me, and others, waiting for all dashboard (subsystem initializations) lights to turn off before turning on the engine has rid of most of my error problems.
A 12vlithium LiFePO4 batteryfully charged to 100% will hold voltage around 13.3-13.4v. Its lead acid cousin will be approx 12.6-12.7v.
Did Porsche did not take into account the normal drop in voltage when using the starter and some of its systems fail to start? and made its systems prone to problems initializing its electronics subsystems? which explains too why the problems are fixed after a restart?


