
This light comes on briefly when the ignition is turned to ON/RUN as a check to show it is working.
If it does not come on have the vehicle serviced by your dealer.
If this light stays on, or comes on while driving, the system may not be working. If this happens, see your dealer for service.
Up-Shift Light
Traction Off LightRear 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 ...
Waterleak Test Preparation
GM vehicles are designed to operate under normal environmental
conditions.
The design criteria for sealing materials and components takes into
consideration the sealing forces required to withstand the natural
elements. These specifications cannot take into consideration any artificial ...
Moveable Window Schematics
Defogger Schematics
Window System Component Views
Window Systems Component Views
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