TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:
Manual Rearview Mirror
Adjust the inside rearview mirror for a clear view of the area behind your vehicle. To avoid glare of the headlamps from behind, move the lever to the right for nighttime use and to the center for day ...
Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...
English and Metric Unit Conversion
To change the display units between English and metric units, see Driver Information
Center (DIC) on page 5‑23 for more information. ...