Intelligent Switching Unit Description: Defogger
WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
Power source is IGN2. If you press the defogger switch ON, the rear glass and ORVM defoggers operate for 15 ± 3 min. automatically. If you press the switch once again or turn OFF IGN 2 power while the defoggers are operating automatically, then the defoggers are turned OFF.