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<mohead@my-deja.com> wrote in message
news:1141675769.054368.92850@j52g2000cwj.googlegroups.com...[color=blue]
>I have an '04 Sienna LE that I bought new in the Spring of 2004. I
> think there is something wrong with the rear climate controls, but the
> dealer says there isn't.
>
> Yesterday, it was rather warm and my son was all the way in the third
> row. He started complaining that he was hot. I turned the dash control
> to cold, but he was still hot. I reach back to feel the temp of the air
> coming out of the rear vents, but of course it's coming out of the
> floor board registers. So I reach back behind my head and press the
> rear control's vent button and the air coming out of the vents is hot
> as hell. Huh? I look to see that the rear temp control is set to hot. I
> turn it to cold and everything is fine, but I'm not happy because what
> good is having a control on the dash if it doesn't control the whole
> vehicle. And you have to damn near wreck the van because you're
> reaching behind your head. The dash control was never set to REAR
> either, but it seems that the rear controls were controlling the rear
> temp and airflow.
>
> We have taken it to the dealer about this before and was told that
> everything is working the way it should. This doesn't make any sense to
> me at all.
>
> The way I understand it is supposed to work, when the front control is
> set to REAR, you can independently control the rear temp and air flow
> using the rear controls. Otherwise, the front controls control temp and
> air flow for the whole vehicle. Isn't this the case? Has anyone else
> had this problem?
>
> Thanks,
>
> -Trent
>[/color]
In our Sequoia, setting the front control so that the light on the "REAR"
button is illuminated means that the controls on the front dashboard
controls both the front and rear HVAC together, which sound like the
opposite of what you are thinking.n Turning the REAR button off means that
they are independently controlled.

You can confirm this operation by turning the REAR button on and setting the
temp in the front and seeing if the rear temp matches.
--

Ray O
(correct punctuation to reply)