See also:

Alpha-Numeric Keyboard
Letters of the alphabet, symbols, punctuation, and numbers, when available, displays on the navigation screen as an alpha or numeric keyboard. The alpha keyboard displays when the system requires ...

If Steam Is Coming from the Engine Compartment
WARNING Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine if you see or hear steam coming from it. Just turn it off and get everyone awa ...

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 acces ...