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:
Front Turn Signal Lamp (Base and Uplevel)
To replace the Front Turn Signal Lamp:
1. Remove the turn signal lamp bulb socket from the headlamp assembly.
2. Remove the turn signal lamp bulb from the socket.
3. Replace the bulb in the bulb ...
Point of Interest (POI)
The Point of Interest (POI) destination entry method lets you select a destination
from the POI list.
Point of Interest: Press to access
the POI (Point of Interest) screen. From this screen yo ...
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime sounds when the cooling system temperature
gets too hot and the engine further enters the engine coolant protection mode. See
Engine Over ...