How to deactivate onstar<br>Contact onstar. 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.

Based on that paragraph can we conclude that this sentence is true?
You can contact onstar as stated in this

pick from the following.
1). Yes;
2). It's impossible to say;
3). No;
1).