What is your question?
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What is your question?
starts and runs but doesn't heat. engine temp gauge goes high and message of 'cooling mode on' comes up on dash. happened a couple of weeks ago but corrected itself while driving. suspecting bad thermostat?
What makes this problem better or worse?
cold weather
How long has your 2007 Chevrolet HHR had this problem?
happened twice in last month
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