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:
Average Fuel Economy/Instantaneous Fuel Economy
On some models, this display
shows Average Fuel Economy. On
other models, this display shows
both Average Fuel Economy and
Instantaneous Fuel Economy.
The Average Fuel Economy display
shows ...
Compass Calibration
Press and hold the on/off button to activate the
compass calibration mode. CAL will be displayed
in the compass window on the mirror.
The compass can be calibrated by driving the
vehicle in circ ...
Portable Audio Devices
Some vehicles have a 3.5 mm (1/8 in) auxiliary input and a USB port located in the center console.
External devices such as iPods®, laptop computers, MP3 players, CD changers, and USB storage device ...