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:
Battery Voltage
This display, available on some
vehicles, shows the current battery
voltage. If the voltage is in the
normal range, the value will display.
For example, the display may read
Battery Voltage 1 ...
Security Light
The immobilizer light should come
on briefly as the engine is started.
If it does not come on, have the
vehicle serviced by your dealer.
If the system is working normally,
the indicator ligh ...
Trunk Release
To open the trunk, press on the
center stack or on the Remote Keyless
Entry (RKE) transmitter. For more information see:
. Trunk .
. Remote Keyless Entry (RKE) System Operation . ...