They aren't back-lit, but the light(s) at the bottom will light based on if you push it once or twice (for high or low heat setting).
because ur car is broke
It does not have a heater control valve.It does not have a heater control valve.
If your model has the digital heater/AC control panel, turn the ignition switch to "on" and then press the heater control panel's "off" and"warm" buttons at the same time for 5 seconds or so. The instrument panel will then display any codes.
You Don't!
If you pull the buttons off of the heater control sliders you can get a medium sized flat blade screwdriver between the edge of the heater control fascia and the main part of the dashboard, this will pop out and you will see the small bulb in its housing. Hope this helps :)
Where is the the heater control valve??
The heater control valve is used to shut off hot coolant from entering the core when the heater is in the off position. A heater control valve can be actuated by either a vacuum line or a cable from the vacuum heater control valve to the heater core. This hose should be warm; if not the heater control valve is stuck and needs to be replaced
where is the heater control valve
if you are talking about a radiator then yes it is supposed to stay on.
There are 4 LED lights in the hearer control. One for the AC control light, One for the fan control and Two for the push buttons. To get at them the two screws for the cup holder need to be removed and the holder pulled out. The heater vent holder can be pulled out and the plug to the hazard you can removed - set this aside. Under the passenger side of the dash you can see the heater control cable which needs to be popped out of its holder and removed from the heater valve control. Four screws that hold the control can be removed and the wire harness removed. Heater control can now be removed. On the back side of the push buttons is an plastic cover which needs to be removed to get at the button lights, if you need to change the slide control light there is two screws on the underside that need to be removed. this allows the control arm to be removed slightly. You need to use needle noise pliers, it's a real pain. The AC button is removed forward not out the back and you can get at the bulb. You can get the LED bulbs at Subaru for a ridicules price of about 8 bucks (that Canadian). Why they burn out who knows. I tried the wreckers first but found the ones in that control were burnt out as well but I figured if I destroyed the heater control to find out what needed to be done it was worth it.
The heater matrix can be replaced by removing the heater core and temperature control cables. Replace the heater core and the control cables.
The heater control valve in a Mustang is located within the engine. It is right in the heater's core and where the coolant is located.