A/C and heater no longer work, thermostat not working either
2007 HHR - My A/C stopped working for about 3 months - when I pressed the a/c button the light on the a/c would not come on. At this same time the heater stopped working and I can no longer change the airflow to floor or defrost. Then ... all of a sudden everything started working again. The just recently stopped again, sounds to me like maybe an electrical problem.
check the wiring first and then the fuses to make sure it is tight.
Search Chevrolet HHR Questions
Chevrolet HHR Experts