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:
Rainsense™
For vehicles with Rainsense, a sensor located near the top center of the
windshield detects the amount of water on the windshield and automatically
controls the frequency of the windshield wiper.
...
Resetting the Power Folding Mirrors
Reset the power folding mirrors if:
The mirrors are accidentally obstructed while folding.
They are accidentally manually folded/unfolded.
The mirrors will not stay in the unfolded position.
...
Auxiliary Devices
The navigation system has an auxiliary input jack located on the faceplate and
in the center console. This is not an audio output; do not plug the headphone set
into the front auxiliary input jack ...