1998 Toyota Corolla Owners Manual - Page 74

1998 COROLLA(U) Make sure you turn the defogger off when the window is clear. Leaving the defogger on for a long time could cause the battery to discharge, especially during stop−and− go driving. The defogger is not designed for drying rain water or for melting snow. NOTICE z Without timer: To prevent the battery from being discharged, turn the switch on when the engine is running. z When cleaning the inside of the rear window, be careful not to scratch or damage the heater wires. 74