Recent cars have an increasing number of functionnalities and despite the fact they give us a lot of comfort, some of them are not all the time user friendly. Whether you have rented a car, been lent one, or just bought a GMC Sierra, depending on its functionnalities, it can be difficult to figure out how to start a GMC Sierra? Even if this fundamental act of running a car may seem like common sense to most of you, depending on the options and the year of production of your car, it will be more or less basic to do so. In this article we will demonstrate the several techniques to start a GMC Sierra with the key, then, in a second section, how to switch on a GMC Sierra with a card, and finally, without using the key.

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How to start a GMC Sierra with key?

So we start our content page which aims to teach you how to start a GMC Sierra, which is equipped with a classic key start. Find down below the various measures to be accomplished to turn on the engine of your GMC Sierra:

  • Identify the position of the neiman (hole in which the key is inserted), it is almost always on the right side of your steering wheel, on the dashboard. If your steering wheel is blocked, do not think twice to have a look at our content page on the steering wheel blocked on GMC Sierra that is blocked to learn how to unblock it.
  • Place the key into this one.
  • Check that you are in neutral for a manual car and in the “N” or “P” position for an automatic transmission.
  • Turn the ignition on by turning it clockwise a quarter turn until you feel you’ve passed the first notch.
  • Check on your dashboard that the orange lights disappear, if you don’t know what they mean don’t think twice to have a look at our content page on orange lights on GMC Sierra to know the reason for this.
  • You just have to go one more notch clockwise and hold it in the stop until your GMC Sierra starts (do not let your starter run more than 10 seconds or you risk injuring it, if the car does not start, let it cool down a few tens of seconds before a new testing)

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  • That’s it. You managed to start your GMC Sierra,

How to start a GMC Sierra with the key card?

After finding out about how to turn on the engine of a GMC Sierra with key or will describe you how to do it for a GMC Sierra equipped with a key card and not a key. The process is pretty much the same, so don’t think twice to go back to the previous part to have information on each of the steps to do. Discover listed below the steps to follow to start your GMC Sierra with a card:

  • According to the year and the series, you may or may not need to insert the card in a specific slot, verify on your dashboard if your GMC Sierra is equipped with this slot or not.
  • If it has one, insert the card in this hole, or you can keep the card on you or anywhere in the cabin.
  • Find the “start” button, which is commonly located at steering wheel height close to the classic neiman location, otherwise it is commonly positioned on the centre console.
  • Check that you’re in neutral or neutral on an automatic transmission.
  • Press the “start” button once to turn on the ignition of your GMC Sierra

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  • Press a second time after a few seconds or extinction of the orange lights on your dashboard to start your GMC Sierra

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How do I start a GMC Sierra without a key?

And finally, we will find out, how to start a GMC Sierra without a key? Let’s imagine that you have lost your keys and your car is open, this might seem obvious. Nevertheless, you should know that if your GMC Sierra is more modern than the mid 90’s it will be tricky to start it without a key because of all the security systems present on it. Obviously, this should only be done on YOUR car. Here is the method to follow:

  • Remove the cover that covers your steering wheel and find among the 3 electric switches the one that concerns your engine/battery/starter (to help you, please bring your user manual).
  • Strip, connect them together and separate the battery and ignition wires (be careful not to electrocute yourself during the process). You now have electricity as if you had the contact
  • At last, strip the starter wire and connect it promptly with the battery wire (do not make prolonged contact and only 1 or 2 seconds should be enough to start your GMC Sierra).

There, you’ve discovered all the techniques to start a GMC Sierra.

To get more tips on the GMC Sierra, take a look at the GMC Sierra category.