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Front/Rear Defog

DEFOG
Turns on the Defog Climate control.

REAR DEFOG
Rear Defog activates the heat grid in the rear window. The driver activates the feature via the button on the IPC. The IPC makes a Class 2 Serial Data request to the PZM to turn on the Rear Defog. The PZM turns "ON" the Rear Defog Relay and reports the status to the IPC. Rear Defog is not available when On-Board Diagnostics are enabled, since the Heater and A/C Programmer and the PZM are not communicating.