When i start the engine on my 2012 toyota camry 4
cyl the ac display is blank. And the ac button, the
dual control button, and the auto button indicator
lights are all off. After pushing them a few times
they all light up as well as the display. A.C. starts
on the drivers side but only hot air comes out on
the passenger side no matter how long the car
sounds like an electrical issue related to your HVAC. May be worth having a mechanic to look at it.
There might be trouble CODES stored in the AC computer. Suggest you call a few auto parts stores and see if they will read codes for free.
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