It’s almost certainly hot, you’ve just bought a new motor vehicle and you desire to use one of the most useful features of your GMC Sierra, air conditioning!
On most automobiles, switching on the air conditioning is not a complicated thing to perform, but today we’re going to check out this process, which, although very easy, can be a bit technical for beginners. So we will discover how to turn on the air conditioning on a GMC Sierra? First, we will discover how it works, then how to turn on the air conditioning on your GMC Sierra and finally we will give you some tips on how to use it.

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How does the air conditioning work on GMC Sierra?

The air conditioning of your GMC Sierra operates in a very equivalent way to that of your refrigerator, the truth is, it works with a compressor and refrigerant gas system which, according to its condition (liquid or gas) will emit cold. This system operates in a closed circuit. Here are the main parts that will make certain that the air conditioning of your GMC Sierra functions properly:

  • The compressor: It is the main element of your air conditioning unit, it handles the pressure in your circuit and it will manage the circulation of fluids in the circuit.
  • The condenser: this small coil has as goal, like a radiator, to enable the gas to decrease in temperature and come back to a liquid condition (55 degrees).
  • The air blower and the evaporator: The heating blower will subject the pressurized liquid to a high temperature which will make it convert into gas and during this changeover will generate cold which will be sent into the passenger compartment by the evaporator.

In practice, this unit operates in a closed circuit, and by creating variations in temperature and pressure, the refrigerant gas will be allowed to modify state, causing the production of heat or cold. You now know how the air conditioning of your GMC Sierra works.

How do you turn on the air conditioning on GMC Sierra?

Now let’s move on to the section that interests you the most, how to turn on the air conditioning on GMC Sierra? Although this process is not difficult for many of you, it would be a pity not to make the most of it because you don’t know how to turn it on.

Turn on the air conditioning manually on GMC Sierra

There are two kind of air conditioning on GMC Sierra, the manual air conditioning and the automatic air conditioning, we will begin with the most common of the two, the manual air conditioning, this version of the air conditioning on GMC Sierra is what we could call the basic level. Indeed, it won’t give you access to a lot of controls, but you’ll already have the possibility to cool the air inside your car. You can simply select the ventilation intensity and the temperature of the air your system blows. To switch on the air conditioning of your GMC Sierra, you will need to turn on the A/C button of your GMC Sierra, then set the ventilation and temperature of your GMC Sierra.

Turn on the automatic climate control on a GMC Sierra

To conclude, we will look at how to turn on the automatic air conditioning on GMC Sierra. Although the method is very close to manual air conditioning, there are some extra possibilities that will permit you appreciate cold air with further convenience. Unlike manual air conditioning, automatic air conditioning permits you to select the temperature you want to have in the cabin and the system will self-regulate to reach it. Furthermore to the automatic climate control, you frequently have the option of using the “Bi-Zone” feature, which provides you with the chances of choosing different temperatures depending to the zones of your GMC Sierra. To switch on the automatic air conditioning on your GMC Sierra, you will only have to turn on the A/C button of your ventilation unit, then select the temperature you want to reach and let the air conditioning on your GMC Sierra.

Some advices on how to use the air-conditioning of your GMC Sierra

Finally, last section of our content page, now that you know how to turn on the air conditioning on your GMC Sierra, we will tell you some practical tips to optimize the usage of your air conditioning and maintain it:

    • When you enter in your GMC Sierra which has been left in the sun, first open your windows at the same time as the air conditioning to expels the excess of hot air before closing them again to let your air conditioning work.
    • During the cold months, you can use your air conditioner to remove the mist from the tiles, thanks to its air dehumidifier, it will be more efficient than your heating system.
    • Turn off the air conditioning in your GMC Sierra 5 minutes before turning off the engine to keep your air conditioning compressor and avoid moisture odors in the passenger compartment. In the event you have noticed any unpleasant smells coming from the air conditioning in your GMC Sierra, don’t be reluctant to consult our article content on this subject

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  • Switch on the air conditioning of your GMC Sierra often, also in winter, to maintain it working effectively.
  • Don’t set your air conditioning to a temperature too different from the outside temperature or you may get sick. As well, don’t project the airflow right onto your face, but rather onto your arms or chest.

If you want more guides on the GMC Sierra, go to our GMC Sierra category.