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:
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer
for repair.
PARKING ASSIST OFF: This message occurs if the drive ...
Exterior Lamps Off
Reminder
A warning chime will sound if the
exterior lamp control is left on in
either the headlamp or parking lamp
position and the driver door is
opened with the ignition off. ...
OnStar Overview
If equipped, this vehicle has a
comprehensive, in-vehicle system
that can connect to a live Advisor
for Emergency, Security, Navigation,
Connection, and Diagnostic
Services.
The OnStar sy ...






