I have a 2005 S40. My blower motor works, but I cannot get heated air, only cold. I will start at the beginning: I took my car to the dealer for a complimentary software update (I received an invitation in the mail) with the hope of getting my "check engine" light turned off, which has bee...

I have a 2005 Volvo S40. I took it to the dealer to have a "free" software update. The day after, I found that I have no heat from my HVAC system (blend doors not operating for whatever reason). In addition, the doors that divert airflow to the windshield/dash/floor do not always operate p...