GMC TSB #10-08-46-001B

2012 GMC Sierra 1500

TSB Document:

Affected Component: EQUIPMENT

Summary
This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation.

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Date Published
JUL 08, 2014
NHTSA TSB #
10137824
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