How to Turn on Heat in a Car

If you live in an environment accustomed to cold climates, then you might probably be wondering how to turn On the heat In your Car.

Turning on the heater in your car can help you stay warm while driving in the cold, allowing you to see clearly, as well as keeping your windshield clear of frost and ice.

Make sure the temperature outside is not below the freezing level before starting, as turning on the heat could cause ice to form inside your car.

Most modern cars have sophisticated heating systems, which are called climate control systems or Heating Ventilation, and Air Conditioning. However, most car owners may not fully know how to use the system.

In this article, I will teach you how to turn on the heat on car with so much ease.

The Working Principles Of Heating Systems

The heater in your car was built for two main functions but it is linked to several critical functions that go beyond heating your car, keeping you and your passengers relaxed during the journey but it also keeps the engine cool. Understanding how your car’s heater works require the following components:

  • Heater Control Valve
  • Blower Motor
  • Heater Core
  • HVAC Control Panel
  • Heater Hoses
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The component in your car’s cooling system work hand in hand with the heater, example includes the thermostat, water pump, coolant, and thermostat.

The heat generated by the engine must be dissipated so that the engine does not overheat when you don’t want it to.

The majority of the heat generated by your engine escapes to the exhaust system. The remaining heat is absorbed into the HVAC system. The coolant is transferred in the same way that refrigerant is moved to create cool air when the air conditioner is turned on.

The heat from the engine is transferred from the radiator to the heater core, which acts as a heat exchanger and allows the coolant to flow through, and the inflow of coolant is regulated by the heater control valve.

The device warms up, and the blower motor will force air over the heater core and into your cabin at the appropriate speed, depending on the settings on your HVAC control panel. It often takes about 5–10 minutes to reach the desired temperature.

How to Turn on Heat on Car

To turn on your car heat, just take the following steps:

1. First of all, press the auto button which is on the right side of the control panel, this will initiate the automatic climate control function.

2. Then Locate and adjust the temperature control button.

3. Set it to the temperature of your choice using the heating controls.

4. The display varies depending on the car model (simple to digital) Typically measured in degrees C from low – to high 28°.

5. Higher-end cars will have dual climate controls which you could use to select different temperatures for the driver’s side as well as the passenger’s side. To do this, all you need to do is simply press the button labeled “Dual” and your car heater will automatically switch between cold and hot air to maintain your preferred temperature.

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How to Turn on the Heat in Your Car Manually

Let’s assume you have an older vehicle or you just don’t feel like using the automatic heating system, then the following steps are for you to help you turn on the heater in your car manually:

  • First, start your car engine and let it idle. Cars take about five minutes to get heated up depending on engine size and fuel type, so do not expect heated air until the engine is properly warmed.
  • Adjust the temperature control button. Turn it clockwise to increase the heating if it is a dial nub.
  • Turn on the car heater by switching on the fan and adjust the heater fan to the speed of your choice (the blower motor serves as a fan that can be adjusted to a different speed).

While keeping in mind that the fan speed doesn’t alter the temperature rather it increases the distribution of the already selected temperature.

FAQs

How do I prevent my car from heating up in the first place?

There are so many things you could do to prevent your car from getting heated up by the sunlight. Such as:

  • Always park under a shade. That is under a tree or canopy
  • Ensure you cover your car seats
  • Use a sunshade windscreen
  • Keep the air-con maintained.
  • Always Leave the glasses slightly open

Does AC turn on heat in car?

Yes, the AC can turn on heat in a car because the air conditioning system of a car is designed to be used in conjunction with cold air and warm air. Therefore when the AC is turned on, it helps to dehumidify the incoming air which makes it dryer and this is ideal for defrosting the windows and reducing the humidity within the car.

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Does heating in car use fuel?

Yes, the heater in a car uses fuel to operate. Also it recycles already used heat using it to power the car from the engine, so as to reduce the excessive usage of fuel.

How does heat work in a car?

The engine releases warmth which passes through a small radiator called a heater core and this basically acts as a heat exchanger which allows coolant to flow through, and thus the inflow of coolant is regulated by the heater control valve. As the engine’s heat is carried by coolant into the heater core, the car automatically gets warm.

Does heat use more gas?

No, using the heat in your car does not burn any extra gasoline. Because on a very good day, as the car is turned on and driven around, the engine heats up. And when the heat is on, it goes from your engine to your radiator.

Where is the car heater?

The car heater is located in the dashboard of your car, and it really looks like a small radiator. It simply releases air from the heater core to the passenger side of your vehicle.