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 trunk.
See Trunk (Sedan, Coupe).
See also:
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation
screen. Destinations can also be forwarded to the veh ...
Calling for Service
When calling Roadside Service,
have the following information
ready:
- Your name, home address, and
home telephone number.
- Telephone number of your
location.
- Location of the vehicle.
- ...
Fuel
Use of the recommended fuel is
an important part of the proper
maintenance of this vehicle. To help
keep the engine clean and maintain
optimum vehicle performance, we
recommend the use of ga ...






