Warning: Refer to Approved Equipment for Collision Repair Warning in the Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.

Note: Note the number and location of welds for installation of the service assembly.

Rear Bumper Impact Bar Stud Plate Replacement (MIG-Brazing)
Installation ProcedureAutomatic Headlamp System
When it is dark enough outside and the exterior lamp control is in the automatic
position, the headlamps come on automatically.
The vehicle has a light sensor on top of the instrument panel. Make sure it is
not covered, or the headlamps will be on when they are not needed.
The system may als ...
Installation Procedure
Note: If the location of the original plug weld holes can not be
determined, space the plug weld holes every 40 mm (1½ in).
Drill 8 mm (5/16 in) for plug welding along the edges of the rear floor
panel filler as noted from the original
panel.
Clean and prepare the atta ...
Map Data Updates
The map data in the vehicle is the most up-to-date information available when
the vehicle was produced. The map data is updated periodically, provided that the
map information has changed.
For questions about the operation of the navigation system or the update process,
contact the GM Nav Dis ...