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Discussion Starter #1 (Edited)
I would appreciate some advice / experience with a strange problem that I'm having with the center entertainment / navigation / display unit in my MY 2013 Volt. The car has navigation and Bose sound.

Everything had been working fine until 2 weeks ago. Now the central unit responds very slowly to input from the touch screen and knobs (at least volume, and power button on center stack, also steering wheel entertainment controls). There is a delay between 1 and 5 or more seconds in responding to input from these controls - a big lag in changing volume, powering off the unit, and I think switching radio stations. There is nothing plugged into USB and I don't think any phones are paired. The backup camera comes on OK but takes a about 5 seconds (variable) to turn off after switching to D or L. The audio takes a similar amount of time to turn on or off after pressing the power button.

Bluetooth also isn't working right: I cannot delete a paired phone or pair a new one. The unit will also not recognize or play songs from a USB stick that has worked before when I insert it.

The problem persists across car startup / shutdown cycles. I also disconnected the 12 V battery for 30+ minutes with no effect. The problem is always there, but the amount of delay varies for about 1 second to so long it seems unresponsive (10+ seconds). The center stack climate controls (I tried fan, defrost) respond normally (quickly).

I'd appreciate any comments on similar experiences, more diagnostic suggestions, or thoughts on whether any firmware updates or other actions might be effective. Thanks in advance for any feedback.
 

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Mine has always had a little delayed reaction, like when changing volume with the steering wheel controls, but nothing like what you're describing. I've always felt the backup camera delay when shifting to R was annoying, too.

Makes me wish I could overclock the processor. :)

Have you tried resetting the entire system back to factory defaults? It would be a pain, but it might be worth a try.
 

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Discussion Starter #3
Have you tried resetting the entire system back to factory defaults? It would be a pain, but it might be worth a try.
How do you do that? I did select 'Config / Vehicle Settings / Return to Factory Settings' a couple times, but that didn't seem to do anything.
 

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How do you do that? I did select 'Config / Vehicle Settings / Return to Factory Settings' a couple times, but that didn't seem to do anything.
Try this:

Center stack>Config button>Radio Settings>Software Versions Menu>Clear and Reset Radio>Yes to confirm

After that, be sure to redo all of your settings, like for Charge Cord Theft Alert, door lock operation, etc.

Also, how old is your 12V battery?
 

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Discussion Starter #5
Try this:

Center stack>Config button>Radio Settings>Software Versions Menu>Clear and Reset Radio>Yes to confirm
THANK YOU THANK YOU THANK YOU - that worked like a charm! Really helpful info, especially since that is NOT in the infotainment manual. Interestingly, it didn't seem to reset any of the radio settings: I still had my radio presets & garage door worked after the reset. Will check the charging settings next.

Also, how old is your 12V battery?
Alas, the 12V battery is an old dog - it is original and we have had the car nearly 6 years now. That said, it measures 12.7 V at the terminals when the car is off and about 2V higher when the car is on. That is considerably higher than the 3 year old battery in my RAV4EV.

Does this seem OK or do you recommend replacement soon?
 

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If your problem comes back, or you notice any other glitchy type problems, I would definitely consider changing the battery. This car is sensitive to weak starter batteries in that way.
 
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