Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to deactivate onstar [title] Contact onstar. [step] If you want to cancel your onstar service immediately, you will need to contact the company and speak with an adviser. [substeps] The simplest way to speak with an adviser is to press the blue button on the onstar system installed in your vehicle.

Ending1: Alternatively, you can contact onstar by phone by calling : 1-888-4-onstar (1-888-466-7827). After contacting onstar, the adviser you speak with should be able to guide you through the process of canceling your service. Ending2: Click and highlight " update onstar system. " it is the first link in this article. Ending3: [title] Speak to the " activate remote " option on the onstar home screen. [step] This will allow onstar to take advantage of your service and activate its own remote switch. Ending4: To complete this step, simply log into onstar the same way you would any other app that you use. [title] Open onstar's driver screen.

Answer format: ending1/ending2/ending3/ending4