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Discussion Starter #1
Been pretty hot around Chicago the last few days, and upon starting my car (which is parked outside during the day, so it's really toasty inside) the touchscreen has been black. After driving with the AC on for about 10 minutes yesterday and 7 minutes today it suddenly comes to life and functions normally.

Any idea if this is some sort of overheat protection, or if a trip to the dealer is called for?

Thanks!
 

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Important info: what's the ambient and if possible, the temp inside the car when you get in? So when you first get into the car and start it up, what does the temp readout on the center touch screen say? If you have an extra thermometer inside the car, what does it say when you first get in? As you drive a mile, the Volt's temp readout on the center touchscreen should start to lower as air blows over the sensor in the grill. Take note of this readout as well.

For reference, the hottest I've ever driven my Volt is 93F ambient at first start, then as I drove a few miles the ambient reading dropped to 89F. I don't have a thermometer in my Volt so can't speak to actual cabin temp. Gun to my head, it felt like 110F. All the while, my center touchscreen never had an issue during. Only problem I have is accidental triggering of the "Ok Google" function in Android Auto mode.
 

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I've never had screen issues before in a car due to temperature. However most LCD's will start to show issues around 140f.
 

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My car sits outside in the drive in the sun for days sometimes, and it certainly gets hot here in Atlanta, but I've never had the problem.
 

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I'm guessing you found the upper limit of the Gen II Volt. I live in St Louis and have seen OAT's well over 100 degrees and I'm guessing cabin temps must have been in the 130's or more and haven't experienced any issues with my LCD.
 

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So if you actually touch the screen in a known spot, does the volt respond? Maybe try changing between favorite channels. Or is it dead from touch until the screen comes alive?
 

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So if you actually touch the screen in a known spot, does the volt respond? Maybe try changing between favorite channels. Or is it dead from touch until the screen comes alive?
Are you thinking flakey backlight, like I'm thinking flakey backlight?
 

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Are you thinking flakey backlight, like I'm thinking flakey backlight?
Maybe, I was a system tester in a previous life, so I got good at diagnosing whether things are hardware or software issues with limited information. There's not enough data for come to a conclusion. Other things to try, park in a friend's garage and see if it still happens when the car is cooler.
 

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I've been experiencing the exact same issue (even posted here about it). On days when the internal cabin temp is *hot*, when I start the car, the backlight is off on the display and the touch screen does not respond. After driving for a few minutes, it suddenly lights up and starts working normally.

I am trying to find a time to bring it to the dealer but not sure what if anything they can do. I did not experience this issue at all last summer (first year I owned the car) but I don't recall there being many days in the 90s. Perhaps it wasn't hot enough last year.

-DJ
 

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Discussion Starter #10
Sorry, wasn't getting my activity notifications on this thread. But, like DJ, touchscreen is unresponsive until it lights up and works normally.

Guess I'll call the dealer, I'll let you know if I hear anything.

Sent from my Nexus 6P using Tapatalk
 

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Any LCD screen will "black out" if the interior temperature rises high enough. I had this happen with a few ATMs which I located in direct sun exposure during the peak FL summer days. This hasn't been an issue with my 2017 yet, however I always use the heavy duty Volt sunshade during the day and it hasn't been through a summer yet. I did have a couple occurrences with the 2014 when I forgot to use the sunshade, however it quickly returns as the vehicle cools.

When it gets this hot, I'd remote cool the car first. It's a lot more comfortable for the driver and you won't have the issue.
 
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