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:
PARK BRAKE SET
For vehicles with the electric parking
brake, this message displays when
the parking brake has been applied
to the set position. See the electric
parking brake information under
Parking Brak ...
Power Steering Fluid
See Engine Compartment Overview for reservoir location.
When to Check Power Steering Fluid
It is not necessary to regularly check power steering fluid unless a leak is
suspected in the syst ...
Tire Designations
Tire Size
The following is an example of
a typical passenger vehicle
tire size.
(A) Passenger (P–Metric) Tire:
The United States version of
a metric tire sizing system.
The letter P as the ...