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:
Using the Tire Sealant and Compressor
Kit without Sealant to Inflate a Tire
(Not Punctured)
To use the air compressor to inflate a tire with air only
and not sealant:
Always do a safety check first. See If a Tire Goes Flat .
1. Remove the tire sealant and compressor kit from its
stor ...
Charging System Light
The charging system light comes on briefly when the ignition is turned on, but
the engine is not running, as a check to show the light is working. The light turns
off when the engine is started. ...
Headlamp Delay
Press the customization button until HEADLAMP
DELAY: 10 SEC appears in the display. To select
your preference for how long the headlamps will
stay on when you turn off the vehicle, press the
selec ...