Car air conditioner not blowing cold air when idling is a pretty common issue related to your vehicle’s ac unit. It's important to know that many times the cooling fan is shared by the radiator and condenser, other times there are two separate ones. Macpherson Strut - Google Search Bmw E30 E30 Bmw E30 M3 It is easy enough to check. Sonata ac only works when driving . When the car is already overheated and the fans in the radiator and condenser are not properly working for some reasons, the system can’t cool down the heat with the maximum efficiency. If playback doesn't begin shortly, try restarting your device. I have a 02 tahoe ,and the heat system is working only on the ceiling side of the car when turn. The 2011 hyundai sonata has 18 problems reported for a/c not working. Average failure mileage is 101,000 miles. The most common reason is the cooling fan for the condenser is not working. When driving at slower speeds or idling, the ac. The ac on my 200...