Read the following paragraph and determine if the hypothesis is true:

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.

Available choices:
[a]. Yes;
[b]. It's impossible to say;
[c]. No;
Hypothesis: Onstar is pretty expensive.


