Being the car owner of a new GMC Sierra offers us specific advantages, the truth is, modern cars give access to an increasingly spectacular number of functionality. They will allow you to gain in comfort, multimedia or security. On this page we are gonna have a look at a feature that is meant to make you feel safe in your vehicle, the automatic closing of the doors. This option may be deactivated without a reason, so we’re going to find out how to activate auto locking on your GMC Sierra. To achieve this, we will first look at the functioning of this option and how it works, then, in a second step, how to reactivate the automatic closing of the doors of your car.

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What is the automatic locking or closing on a GMC Sierra?

Before we teach you how to activate the automatic lock of your GMC Sierra, we will have a look at the usefulness of this function. In truth, the number of carjacking is continuously increasing, and our GMC Sierra is an area where we usually feel safe. However, when stopping at a red light, at a stop sign or in traffic jams, one can feel subject to aggression, it is with this in mind that the brands have launched this option. In general there is a door lock button that allows you to close and open the doors from the cabin, but this function automatically locks the doors of your car whenever you go over a certain speed or a certain time after starting up. The advantage is that you no longer have to get worried about this gesture to assure maximum security.

How do I activate the automatic closing of the doors on my GMC Sierra?

Unfortunately, it can happen that due to factory defaults, electronic failures, bad handling, this functionality can be disabled, we will now find out the two solutions to enable you to activate the automatic lock on your GMC Sierra.

  • How to activate the automatic locking / closing of the doors on a car: The lock button
    The most basic method if you are in the event that your automatic door closure will no longer works, is to turn on the ignition (on some series you will as well need to have the engine running) and soon come and hold down the door lock button on your car for a matter of seconds until you notice an audible indicator and, dependent on the year of your GMC Sierra, the turn indicators that are turned on. This method should be enough most of the time to activate the automatic door lock on your GMC Sierra.
  • How to activate the automatic door lock on my GMC Sierra: Through the computer
    Finally, a more complicated method but which can be connected to a factory problem or a power failure on your car. To reactivate the automatic door lock on your GMC Sierra, you will have the ability to go through your diagnostic socket. You will need to have a diagnostic tool and navigate through the menus to change the linked option in the “sash menu”. However, this is only appropriate for people with some mechanics knowledges and we encourage that you go to your specialist to achieve this.

If perhaps you have any further questions about the GMC Sierra, do not hesitate to consult our GMC Sierra category.