Say your engine is at its normal operating temperature, the heater is turned on, the temperature is set to something warm and cozy, and you can only feel cold air blowing out of the vents. If you ...

Driving an ice-cold car on a frigid morning is no fun and a heater blowing cold air is not only annoying it's a safety hazard. Here is what to do.

This heater core then passes the hot air it generates into the vehicle with a blower fan. Many different things can go wrong here causing the whole system to work poorly or not at all.

If it does then you need to check the two pipes that go through the bulk head (to the heater matrix). If both are cold then suspect the heater control valve. If one is hot and the other cold then ...

Getting the most out of your car's heater might involve counterintuitive practices, such as turning on the air conditioner to prevent foggy windows. Here are some other tips.