One problem related to defogger has been reported for the 2006 Chevrolet HHR. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Chevrolet HHR based on all problems reported for the 2006 HHR.
Hvac blower motor quit. No means of clearing windshield fogging with blower inoperative. Could smell that something was hot or had burned under the ip.