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:
New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup,
leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the
Sierra's eight-cylinder lineup benefits from ...
Using the USB Port
Radios with a USB port can control a USB storage device or an iPod® using the radio buttons and knobs.
See “Playing an MP3” in CD Player on page 7‑16 or CD/DVD Player on page 7‑22 fo ...
Interior Glass
To clean, use a terry cloth fabric dampened with water. Wipe droplets left behind with a clean dry cloth.
Commercial glass cleaners may be used, if necessary, after cleaning the interior glass with p ...