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.
See also:
Cleaning the Video Screen
When cleaning the video screen, use only a clean cloth dampened with clean water. Use care when directly touching or cleaning the screen, as damage could result. ...
How to Check Power Steering Fluid
Notice: Extremely small amounts of contamination can cause steering system damage
and cause it to not work properly. Do not allow contaminants to contact the fluid
side of the reservoir cap/ dipst ...
Blank Display
This display shows no information. ...