Climatecontrols

VH2K · Jul 11, 2026

Hi! Just a quick question about the climatecontrols in my Suburban: There are 3 controls, one in the dash, one in the roof just behind the mirror and one in the roof between the frontseats. Does the GMT800 have 3-zone climate, or are the two rear linked, like whichever you adjust last is what the rear gets?

Regards!

stutaeng · Jul 12, 2026

2 climate only.

The top control near the mirror is a rear control, but also allows you to "give control" to the middle rear control.

It works almost exactly like your window control where you can lock-out the controls on the passenger doors.

FW_Z71Burb · Jul 12, 2026

VH2K said:
Hi! Just a quick question about the climatecontrols in my Suburban: There are 3 controls, one in the dash, one in the roof just behind the mirror and one in the roof between the frontseats. Does the GMT800 have 3-zone climate, or are the two rear linked, like whichever you adjust last is what the rear gets?

Regards!

When seated in the front row, if you turn the left most knob to “REAR” it lets the 2nd row control the rear climate from the 2nd control box. (Adults mode)

Otherwise, you control it from the driver seat (kids mode)

VH2K · Jul 15, 2026

Thank you! Actually makes sense now that I think of it

Climatecontrols

VH2K

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stutaeng

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FW_Z71Burb

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VH2K

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