With your body facing the trunk in the center, grab the sill plate at approximately shoulder width firmly, allowing you to lift up and out of the trunk area with ease. This plate protects your vehicle from scrapes when loading and unloading items and helps keep the sidewalls in place as well. It is usually held in place by two screws on both the far right and left sides for a total of four screws. Using a screwdriver, remove the sill plate rests on the front, bottom portion of the entryway to your trunk. Step 3: Remove the four screws holding the sill plate in place. Note: Often, there is a wing bolt holding the spare tire in place, which can be rotated counterclockwise with your fingers, allowing you to lift the tire up and out.Lift the fabric covering on the bottom of your trunk to reveal your spare tire and tub cover. Step 2: Remove the tub cover and spare tire. You should open your trunk and remove the floor fabric covering the spare tire and tub cover. Step 1: Open the trunk of your vehicle and lift floor fabric. Method 2 of 2: Remove OnStar capabilities from your vehicle Tip: If you have any trouble, call OnStar directly to speak to a representative at 1.888.4.ONSTAR.From your account dashboard, you have access to change your plan or cancel your OnStar account entirely. Note: You can select the option to “Remember my username” if you are on a secure computer and do not wish to type in this information in the future.Simply enter your OnStar account username and password, then press the “Login” button to gain access to your account. This is located on the left-hand side of the OnStar landing page under the option to “Buy Minutes or Data” and above the choice to “Activate Pre-Owned Vehicle.” Visit the Onstar website and select the option to Manage Account. While many people find the OnStar service to be very useful, there are some reasons you may wish to disable it, including a change in budget or its vulnerability to hacking.
The company is a subsidiary of General Motors, and is popular for capabilities like turn-by-turn navigation, hands-free calling, and as a surveillance device when your car or truck is left unattended. OnStar is a subscription-based service that provides remote vehicle diagnostics, communications, security, and other features for vehicles.