Your coolant low? This was happening on my moms Lexus and we realized the radiator was 3 quarts low. There was a leak...
Check your overflow reservoir. When hot, is it near the max line?
There are two opposing thoughts going on here. In your first paragraph you describe how you don't like "bullies" but in your second paragraph you describe yourself as a bully.
Violence is not the golden standard. I don't know where you heard that, or how you came to that conclusion, but it...
Ours is the dark blue with parchment leather. So far no issues with the leather. The contrast does look very nice and most people are impressed with it.
TCS is traction control system meant to aid in traction by reducing the speed of a spinning wheel.
DSC is dynamic stability control which is designed to minimize rollover risk and aid in general stability.
Nowadays they are somewhat synonymous and each system can aid in the vehicle's overall...
I just cleared 19 inches of snow off my driveway. I should have made the first pass with my snow thrower sooner as the opening is only 18 inches tall...It's still snowing heavily.
Anyway, after the driveway was cleared I took the car out for a quick spin. The roads had about 4-5 inches of...
This is likely the culprit for your heating issue. The engine cannot get to normal temp, therefore it can't give you more heat. But this also sounds very abnormal. Sounds like your issue is related to too much coolant circulating around the engine.
This is a critical point in your inquiry that...
Since you cant concretely recall checking when new you can't really make a conclusion. If the oil is between the low and high mark your oil level is within spec and there is no cause for concern. The two points represent the normal zone.
Have you experimented with using the full automatic setting and seeing if you notice a difference? The automatic system is always monitoring the return temperature and isn't quite completely "disabled".
If you have not, I'd suggest you try setting the temperature to whatever you desire and...
Do you have a digital thermometer that you can use to record the temperature at the vent and repeat the the test for your sonata? When using the heater, do you have the airflow split between multiple vents?
Is this your first car with automatic climate control?