C Christopher New member May 13, 2010 #1 The AC/heater unit will not shut off in my 2003 chevy tahoe. I turned the knob in the off position and even turned off the truck, but it still on.
The AC/heater unit will not shut off in my 2003 chevy tahoe. I turned the knob in the off position and even turned off the truck, but it still on.