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:
Pulling a Trailer
Here are some important points:
- There are many laws, including
speed limit restrictions that apply
to trailering. Check for legal
requirements with state or
provincial police.
- Do not tow ...
Increasing Speed While Using
Cruise Control
If the cruise control system is
already activated:
- Press and hold the +RES button
on the steering wheel until the
desired speed is reached, then
release it.
- To increase vehicle speed in ...
Lumbar Adjustment
To adjust the lumbar support:
Press and hold the front or rear of the control to increase or decrease
lumbar support.
Press and hold the top or bottom of the control to raise or lower the
...






