Rear Window Defogger Description and Operation
Rear Window Defogger System Components
The rear window defogger system consists of the following components:
HVAC Control Module
HVAC Control Head
Rear Window Defogger Relay
Rear Defogger Grid
F28UA 40A Fuse
Rear Window Defogger Operation
The rear defog control system utilizes a sin ...
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 ...
Front Side Door Weatherstrip Replacement - Body Side
Front Side Door Weatherstrip - Body Side
Procedure
Start at the rear upper corner of the door opening and pull the
weatherstrip away from the door opening flange.
Position the weatherstrip in the upper corner of the center pillar.
Working downward along the front edge, in ...