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When setting up certain models of GMC Acadias, a fob is employed as the key. However, embedded within the fob is a regular key that can also be utilized to operate the vehicle. An indented button on the fob's side can be extended to access the key. Insert this key into a small opening beneath the door handle, pushing it in firmly. This action should detach the removable casing on the door handle, revealing a conventional lock that can be unlocked using the concealed key within the fob. This key is also compatible with the slot compartment inside the vehicle for ignition purposes.
Inside the key FOB of the 2018 GMC Acadia, there is a hidden traditional key that can be accessed by pressing a square button on the side. Once the key pops out, it can be used to remove the housing on the driver's side door handle by inserting it fully into a small hole underneath the handle. The housing will only come off when the key is pushed all the way in. Underneath the housing, there is a classic door lock that can be opened using the same key. In case the FOB's battery is dead and another method is needed to start the vehicle, there is a small compartment in the center console. Place the key FOB in the compartment and then press the start button to start the Acadia. If it doesn't work the first time, remove and reinsert the FOB and try again.
In the 2018 GMC Acadia, you can start the car by putting the key in the ignition switch on the right side of the steering column. This ignition switch is typically behind the steering wheel, where you use the key to start the car. Some 2018 Acadia models may have keyless entry and ignition systems, which let you start the car with a button instead of a key. If your Acadia has keyless entry and ignition, there will be a specific spot or slot where you can place the key fob for the car to recognize and start up.