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:
Remote Left in Vehicle Reminder
This allows the Remote Left In Vehicle reminder feature to be turned on or
off. If on, the horn will chirp if a remote is left in the vehicle.
Press the MENU/SELECT knob when Remote Left In Vehicl ...
IntelliBeam® Intelligent High-Beam Headlamp Control System
For vehicles with this feature, be sure to read this entire section before using
it.
IntelliBeam is an enhancement to the vehicle's headlamp system.
Using a digital light sensor on the rearvie ...
Fuel System Messages
FUEL LEVEL LOW
This message displays when the vehicle is low on fuel. Refuel as soon as
possible
TIGHTEN GAS CAP
This message displays when the fuel cap is not on tight. Tighten the fuel
ca ...






