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:
Sedan or Coupe
To lower one or both of the rear
seatbacks:
1. Pull forward on the tab, on the
outboard side of the seatback,
to unlock the seatback.
2. Fold the seatback down.
This allows access to the tr ...
Trunk Lock Release
Trunk Lock Release
The remote trunk release button
is on the driver door, inside the
storage compartment under the
armrest.
Vehicles with an automatic
transmission, the shift lever must
...
Front Seats
The vehicle's front seats have adjustable head restraints in the outboard
seating positions.
The height of the head restraint can be adjusted. To raise or lower the head
restraint, press the ...






