Prius C :: Very Occasional Auto Climate Control Buttons Inoperable
Jun 30, 2013
About 1x month, I get into the Prius C and want to start heat/ac. None of the buttons operate and if I press the "auto" button it will light up but not stay engaged. Overall, not a big deal. After a shift into drive and a few minutes of driving the system usually starts working. If I don't want to wait, I find that turning the Prius C off and on again usually resolves the issue. I am not concerned now, but wondering if issue may escalate as car ages.
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I just noticed this the other day. The three climate control buttons on the right side of my steering wheel--fresh/recirc, front defrost, rear defrost--have stopped working.
The functions still work if I use the MFD display to control them. What this might be? Is there a separate fuse for these buttons?
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When I am using "auto" climate control mode, AC is automatically turned ON. I am somewhat surprised about that feature and I always turn AC off as most of the time I do not need AC and there is no point to spend extra energy when it is not necessary. Is it necessary to turn it off in this case? Am I missing something? It may be that AC will not actually be used unless the car inside temperature is above the target temperature that has been set, in which case I could leave AC ON, but I could not find specific info on this subject in my user manual. Why it is working this way?
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When I press auto once it turns ON auto climate control. Why doesn't pressing the Auto button a second time turn AUTO off??
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My passenger side HL occasionally doesn't come alive at ignition when the light control dial/switch is set on Auto mode. My dealer cannot duplicate the problem.
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I usually set my climate control to 78 degrees and leave it on Auto, but whenever I leave the car for more than 5 hours then the climate control somehow resets itself.
The "Auto" light would stay illuminated for about 15 seconds, then it turns off and "Air Conditioner Off" flashes on the Nav screen. Then when I press the "Auto" button again, the climate displays 75 degrees. This has happened everyday for the last 3 weeks or so.
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I have a 2009 Hyundai Sonata that has the digital display for the climate control- which i am assuming is the auto climate control system that is talked about on here frequently. The problem is that the fuse for the climate control system continually blows, causing the display and all controls for the climate control system, to stop working. Put a new fuse it, blows again.
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So today it was 101 and I figured I would put the AC on auto but when I set it to auto the temperature defaults to 72. Is this normal and can I change it? It seems like the climate control in auto mode go off of the outside temp, if hot outside blow cold inside and vice versa. What is the point to auto AC if I manually have to set the temp?
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How easy is this to do? I'm thinking about doing this to my 2003 Camry LE...
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I just leased a 2014 XLE Touring. Car has been great so far but I noticed sometimes that I will have the Auto climate control on and it will shut itself off while I am driving.
Another thing I noticed is after I turn the car off and drive it later, it does not retain the previous climate control settings.
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My '05 XLE has a small problem (I think). Had the car for just over a year and yesterday noticed that when I choose the defrost mode there is no indicator on the control panel to show it's in that mode. All the other function positions have indicator icons to show what mode is selected.
I don't use the defrost only mode very often and now wonder if it never worked since I've owned it or if there isn't an indicator for defrost mode. Isn't there an indicator for that mode?
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I have had my Santa Fe for 3 months now and have just noticed recently (due to the cold wet weather) that when it is raining my windscreen fogs up when the climate control is set to auto. This never happened in my previous car (VW Golf GTI). I always drive with climate control set to auto and temp set to 23 degrees C. When the windscreen fogs up I have to set A/C to on to demist it. The temperature is then totally different. I can only get a clear windscreen with A/C on, no matter what mode. E.g. If I just have front demister with no A/C then I fog up. If I have blowers set to windscreen and no A/C I fog up. Having A/C on with any mode is fine! When the windscreen is clear and I set the climate control back to auto then the windscreen fogs up almost immediately again.
This seems a bit rubbish to me. I would have thought that having the climate control set to auto is all that is required (like my previous car). I don't want to drive with A/C on when it is raining and auto when it is not. I just want to keep it in one mode.
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This might sound like a stupid question, but how should the climate control operate in cold weather when set to auto?
I have a 2011 screw, when its cold out, and I start the truck, cold air blows out of the front defroster when the climate control is set to auto.
The fan on my previous ford vehicles would not function till the engine reached operating temp. Then the fan would turn on and blow warm air to the lower vents.
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I just bought 2011 Prius III on black Friday and still not familiar with auto climate. Everytime I press it on, the air flow will set to blow in foot mode so I press mode button to change it back blowing the air from the front. By doing that the auto climate control light is turn off. Can I use auto climate with air flow from the front vent instead of blow down to the foot?
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My 2007 Santa developed these symptoms recently and need to know if they are related or independent.
1) ESC off message is always lit and button doesn't work.
I checked and replaced fuse 19 in engine bay. Light didn't lit up for next 500 feet and I was able to turn and off with ESC button near knee panel. after that it was back on. My guess is one of 2 Or both 40amp relays in engine bay for ESC is/are bad.
2) Cruise control on/off works but Set doesn't and Cruise is inoperable.
Don't see any fuses for cruise control in engine bay or interior fuse panel.
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So I think I've seen the first issue out of my truck this morning. On the way into work I couldn't get the cruise control to function. This is a big deal to me, after a back surgery a few years ago it gets painful really quickly when I have to ride the gas pedal for more than a few minutes. Four hours later my back and leg are still bothering the heck out of me.
20130923_051401.mp4 - YouTube.....
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I have a 2005 Excursion Limited v10 with inoperable cruise control that I bought 2 years ago. Since I don't use the truck much, I'm just starting to track down the issue. I've read a lot of the threads here, and done the cruise control system test, and come out with a failed switch. The 2005 is NOT part of the master cylinder pressure switch recall.
However, in digging around, I have no wiring harness attached to the master cylinder pressure switch. I also don't have any loose wiring harnesses or obvious signs of any wiring just being cut off. Talking about wiring, where to look, where it should be connected or what I might need to purchase? No wiring harness..
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My '08 radio has developed an intermittent problem. When I get in my car on a hot afternoon and start it up, occasionally I lose control of the panel buttons - power, station up/down, input select, disk eject, etc. But, all of these controls work just fine on the steering wheel control. If I cool the interior down and then restart the car, everything is back to normal, all buttons work. What this might be? It's only happened twice, but I want to be able to speak intelligently to my service advisor when I report it next visit.
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Recently my Climate Control System on Gen 3 has been misbehaving. A few weeks ago, I could not get cold air out of the AC, and then just as quickly as it stopped working, it started working again. Then yesterday, I started noticing coolant temps on the Scan Gauge rising to 215 - 220 F, which seemed quite a bit higher than the 195 limit I had set for operating with grill blocking, so I turned on the Heater and brought it down to 195, and when I got home, I checked and the coolant level seems OK, and it was under pressure.
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Last November I had a left front end collision with another car. The other driver was at fault and their insurance covered everything. The car was in the shop almost 2 months.
Now it seems back to normal except the climate control randomly shuts off every so often. I usually leave it on Auto. After the car has been off overnight or sometimes just a few hours, I notice the climate control is off. After turning it back on, the temperature setting has been reset to 75. It happens about once a week. Doesn't seem to be related to outside temperatures.
Should I take it to the dealer for a check or back to the body shop? The body shop offers a lifetime warranty, but I doubt they could diagnose something intermittent like this.
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I've had my prius for about 8 months now and to be honest, I'm not 100% sure how the climate control works. I just realized that one of the buttons I've been pressing is an air pollen filter. I've also recirculated the air and managed the fan speed with the up/down.
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