Description & Operation: Notes

The rear defogger clears frost, fog and thin ice from the rear window. Rear defogger heating grid filament is bonded to inside of rear window. A defogger relay provides power to heating grid filament. An indicator light, on defogger switch, illuminates when defogger is on.

Defogger timer is integrated into instrument cluster microcomputer. After defogger is activated for 20 minutes, instrument cluster microcomputer will cycle defogger off for 2 minutes, and then on for 3 minutes until defogger is turned off. Defogger indicator will remain illuminated. Ignition switch must be in ON position. Rear defogger shuts off when rear defogger button is pressed again or when ignition is turned off.