GMC Sierra Owners Manual

TTY Users
OnStar / OnStar Additional Information / TTY Users

OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.

© 2024 All Rights Reserved.