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The digital read-out for the interior environmental control is doing crazy things.. On occasion will not even register (blank read-out) or may take 15-20 minutes to turn on. Used to happen maybe once a week...now happening all the time. Weird thing is that occasionally I can still control the fan and AC but still have no read-out.
Weird. Seems like there is a problem with the electronics of HVAC control head. Could give more details how and when this happens? Does it happen when you start the car or after driving away? Does it correct itself when driving or after restarting? How long has the been happening? Have you been to your dealer yet? It may be time.