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:
DIC Buttons
A. SET/CLR (Set/Clear): Use this button to set or clear the menu item when
it is displayed.
B. (Thumbwheel): Use the thumbwheel to scroll through the items in each
menu.
A small marker wil ...
How to Reinstall Engine Air
Cleaner/Filter
1. Install the air cleaner into the air
cleaner housing. The outer air
cleaner filter seal must be fitted
properly in the air cleaner
housing.
2. Align the air cleaner housing
cover tabs to ...
Turn Signals When Towing a
Trailer
The arrows on the instrument panel
flash whenever signaling a turn or
lane change. Properly hooked up,
the trailer lamps also flash, telling
other drivers the vehicle is turning,
changing la ...