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Had my 2013 Volt 2.5 wk now; first cold night tonight. I had a headcold; wanted a warm car. 57 degrees outside; felt like colder than that in the car

Set it on comfort; upped the temp to 78 degrees; set the onscreen vent selector to blow on my face (I wasnt accidentally set to "no vents" like previous user.) Opened the physical vents. Fan to maybe the second notch up. And it just blew cold air on my face. The indicator on left-lower corner of climate screen said it was using 87% climate energy; the heat indicators in right-lower corner both said heat was on.

So the interface "thought" it was heating, bigtime, but no heat came out. I could get the seatwarmers to work, but my butt isnt what needed warming; I needed to breathe warmer air in my lungs, and warm my hands (Renaud's syndrome - frostbite starts to set in at 50-55 degrees F air temp.)

Questions
1) Is there some trick wherein something (like the fan) has to be on auto before you get any heat?

2) Is there a nasty little secret like the heater (apart from the seats) only works when car's plugged in?

3) Typically how long does it take for the Volt's electric heating system to actually produce heat?

Or do I have a defective car that I need to take back to the dealer?
 

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I have everything set to auto on ECO. I get whatever temp I set.

The climate system works like most automatic systems in other cars (except no driver/passenger split).
 

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There is a software update for the heater on the 2013s. Take it to the dealer and have them run the update.
 

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Just dropped my 2013 off at the dealer for the same issue. Had it intermittently last year as well, but never got it in to be checked. Usually reset overnight. 42 degrees this morning and nothing but full on AC cold air would blow. I guess this will be a good test for my service department to see if they find the software update that needs to be performed.
 
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Had my 2013 Volt 2.5 wk now; first cold night tonight. I had a headcold; wanted a warm car. 57 degrees outside; felt like colder than that in the car

Set it on comfort; upped the temp to 78 degrees; set the onscreen vent selector to blow on my face (I wasnt accidentally set to "no vents" like previous user.) Opened the physical vents. Fan to maybe the second notch up. And it just blew cold air on my face. The indicator on left-lower corner of climate screen said it was using 87% climate energy; the heat indicators in right-lower corner both said heat was on.

So the interface "thought" it was heating, bigtime, but no heat came out. I could get the seatwarmers to work, but my butt isnt what needed warming; I needed to breathe warmer air in my lungs, and warm my hands (Renaud's syndrome - frostbite starts to set in at 50-55 degrees F air temp.)

Questions
1) Is there some trick wherein something (like the fan) has to be on auto before you get any heat?

2) Is there a nasty little secret like the heater (apart from the seats) only works when car's plugged in?

3) Typically how long does it take for the Volt's electric heating system to actually produce heat?

Or do I have a defective car that I need to take back to the dealer?
Good Morning PhilKatz,

Sorry to hear about the head cold and your experience yesterday. I would like to get your Volt into your servicing dealership. I would be more than happy to get you connected with your Dedicated Advisor. Your Advisor can arrange the appointment for you! All I would need is the last 8 of your VIN and the best way for you to be reached.

Thanks!

-Ian Chevrolet EV Customer Service
 

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I have everything set to auto on ECO. I get whatever temp I set.

The climate system works like most automatic systems in other cars (except no driver/passenger split).
Driver/passenger split is kind of a joke in something as small as a car, anyway. But it does help when significant sun-load is on one side of the car and not on the other.
 

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I've been getting little heat in ECO mode too in my 2013. It's going to require another visit with the dealer to fix software bug? ugh. (I did the center console blank fix after about 2 weeks)
You guys who are getting this done, please post your experience. Thanks.
 

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There's a software update.... I had the same issue on mine! It was 34 degrees and hailing... I was shivering inside my car, thankfully I could turn on the engine to get heating from that. It was horrible!
 

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PIC5796A is the bulletin they need to reference to reprogram the HVAC module on the 2013's with the intermittent heat bug. Just got mine back from the service dept with this fix.
 

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My 2013 has done the same thing. I started out in Eco mode, no heat in spite of it being called for and it showing 60% power usage. I finally go it to come on by setting the temp to Max.
 

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Discussion Starter #16
OK here's what I did, based on advice seen on these boards:
1) Went inside parameters and unchecked auto defog/defrost (I'll leave it that way; there's a defogger button on console stack for manually selecting dedicated defog, and turning it off again.)
2) On the console stack pushed the "auto button" to put climate control in auto mode
3) W/ climate control selected onscreen I ran the temp up to 77 deg F
4) Set climate control to C "comfort"
Started (fully charged) car up and immediately, on battery-only power, got lots of warm air.

So my climate control can be made to produce heat. And right away. It's not defective or mis-designed.

When I wanted heat/airflow to stop I went on climate control screen, selected "floor and windscreen" (to knock it off auto") then selected fan only and ran the fan down to off.

Two possibilities:
A) I've found a workaround to seize control of the heater/defroster from the programmed "smarts" and make it nearly as simple to operate as the heater on my 1978 Volvo. If I leave the autodefrost unchecked and the temp at 77 I should be able to turn on the heater w/ one push of "auto" on the stack (1 step). If I really need faster heat I'll have to select climate control w/ its console button, then switch from ECO to comfort on the screen (2 more steps, at least one of which is eyes-off-road). Closing down, then assuming climate control view is still up on screen, I'll onscreen-select one of the other vent options to clobber "auto", then select "fan only" then fan down to zero. (A disconcerting 3 eyes-off-road operations, but maybe I can learn to operate the fan control on the stack by touch.)
If I need defog/defrost I can use that button on the console stack, which (unlike "auto") cancels by pushing a second time. I'm hoping that in summer when I need AC instead of a window cracked, I can do the same as for heat, except by running temp down to 55 or 60F and leaving it there.
B) The possibility I'm hoping against is that I have some intermittent prob, as some have reported. I'll keep using the sys as in A) above and an intermittent, if it exists, will reveal itself. In which case I'll see about the software upgrade, advice from the Volt company rep who posted in this thread, etc.

I've got a question: Does anybody know how to unselect "auto" climate control using only console (not onscreen) buttons. (Since with proper self-training I could learn to operate the former w/ eyes on road, but not the latter.)
 

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Its an intermittent bug and no setting will get you warm air when you experience it. I have tried Hold Mode, comfort, HI settings, etc. Nothing but freezing air blows out. Save yourself from a cold ride in the dead of winter and take it in now to get the software update.

To unselect the "Auto" setting, just hit the fan button down or up.
 

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To unselect the "Auto" setting, just hit the fan button down or up.
That will only take the fan out of Auto. Everything else will still be in Auto. The "Auto" light on the center stack just shows when you are in "Full Auto".
 

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2018 Volt Premier w/ACC
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Climate controls should be complete operable without stopping and poking settings to get the thing working. This is a car. The controls should work, intuitively and without fiddling. God forbid you want to turn on the heat at 60mph in traffic.
 

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Ours is in the shop as we speak.
Ours was showing 100% energy usage, 45 degrees outside, set to 78 and full auto climate.
Went in Tuesday and they performed the software update and sent us home as fixed.
Yesterday and this morning no heat unless in hold.
They talked to tech and there is a module on the heat pump that I was told is a known problem. They ordered the parts and we have a provided rental until they can fix it Monday or Tuesday.
Neither the volt advisor or the dealers Volt specialist were aware of this???
Will let you know the result.
 
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