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:
Dual Tone Multi-Frequency (DTMF) Tones
The in—vehicle Bluetooth system can send numbers during a call. This is used
when calling a menu—driven phone system.
1. Turn or press the MENU/ SELECT knob and select Enter Number.
2. Enter the ...
Fuel Gauge
When the ignition is on, the fuel
gauge indicates how much fuel is
left in the tank.
An arrow on the fuel gauge
indicates the side of the vehicle the
fuel door is on.
The FUEL LEVEL LOW me ...
Climate and Air Quality
Select the Climate and Air Quality menu and the following will be displayed:
- Auto Fan Speed
- Air Quality Sensor
- Remote Start Auto Seat Cool
- Remote Start Auto Heated Seats
- Auto Defog
- ...






