One problem related to defogger has been reported for the 2001 Volvo S80. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Volvo S80 based on all problems reported for the 2001 S80.
The contact owns a 2001 Volvo s-80. The contact stated after having the battery replaced, the climate control unit became inoperable. The dealer was unable to reset the unit and advised it would need to be replaced. The contact believed the manufacturer should take the liability for the failure which could potentially become a safety issue when trying to defog the windows, disrupting visibility. The failure mileage was 74,610 and the current mileage was 74,665.