Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.
Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.
See also:
When the Light Is On Steady
This indicates that one or more of
the tires are significantly
underinflated.
A Driver Information Center (DIC)
tire pressure message may also
display. See Tire Messages. Stop as soon as
po ...
Navigation Control Buttons
The following control buttons are located on the navigation system:
(Power/Volume):
1. Press to turn the system on and off.
2. Turn to increase or decrease the volume to the audio system.
3. Pres ...
Lumbar Adjustment
If available, hold the control on the
outboard side of the seat forward or
rearward to increase or decrease
the lumbar support on the driver or
front passenger seat.
A. Side Bolster Adjus ...