Defrost button no longer lights up

poconojoe · November 20, 2023

2019 Silverado LD, legacy body. Basically it's the same as a 2018.

My defrost button began flickering at night and now it doesn't light up at all. The defrost works fine and the little yellow light showing the defrost is on works fine, but the defrost symbol on the button just doesn't light up at night. Everything else on the panel is lit.

Is there an (old school) light bulb behind that button? If so, how do I get to it? Or maybe the button itself needs to be replaced? Does the button just pop out or do I have to pull the face of the HVAC instrument cluster?

Thanks,

Joe

00fxd · November 21, 2023

Following... my 2017 Silverado is doing the same thing.

Edited November 21, 2023 by 00fxd

poconojoe · November 21, 2023

23 minutes ago, 00fxd said:

Following... my 2017 Silverado is doing the same thing.

After further research I've found that basically we would have to replace that whole HVAC panel.

I've read that the panel costs about $130. Some say it was not a difficult job.

For me, I'll just live with it. Everything does work. Only one button is not back-lit.

YYC-SIERRA · November 21, 2023

Exact same thing on my 2018 Sierra. Annoying but livable.

00fxd · November 21, 2023

As long as the heater continues to function .....

Edited November 21, 2023 by 00fxd

JimCost2014 · November 21, 2023

I have one of the air delivery buttons flickering, bought a replacement control panel. Will probaly put it in after the first of the new year.

00fxd · November 21, 2023

4 hours ago, JimCost2014 said:

I have one of the air delivery buttons flickering, bought a replacement control panel. Will probaly put it in after the first of the new year.

How much was the panel?. Do you access the the r and r from the front? Or do you have to lay on your head?

JimCost2014 · November 21, 2023

8 minutes ago, 00fxd said:

How much was the panel?. Do you access the the r and r from the front? Or do you have to lay on your head?

Thinking I paid around $130.00 on Amazon for a new unit.

You take the silver trim panel off, starting at the bottom, disconnect the heated seat switches, then remove the radio screen and HVAC control as one unit. Swap the HVAC control, then reverse steps to put back together.

There are a few videos floating around that shows how to do it, will make more sense if you see it done.