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:
Jump Starting (with or without eAssist)
For more information about the
vehicle battery, see Battery.
If the battery has run down, try to
use another vehicle and some
jumper cables to start your vehicle.
Be sure to use the following ...
Warning Lights, Gauges, and Indicators
Warning lights and gauges can
signal that something is wrong
before it becomes serious enough
to cause an expensive repair or
replacement. Paying attention to the
warning lights and gauges c ...
Leaving Your Vehicle With theEngine Running
CAUTION:
It can be dangerous to leave your vehicle
with the engine running. Your vehicle
could move suddenly if the shift lever is
not fully in PARK (P) with the parking
brake firmly set. And, ...