OPERATIONOFINSTRUMENTSANDCONTROLS -> Back window and outside rear view mirror defoggers for Your Toyota 4 Runner SUV Fourth Generation (2003-2009)

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Back window and outside rear  
view mirror defoggers  
For instructions on adding washer fluid,  
see “Adding washer fluid” on page 453 in  
Section 73.  
The system will automatically shut off af-  
ter the defoggers have operated about 15  
minutes.  
If the back window is not fully closed, the  
back window wiper and washer will not  
work. Make sure the back window is fully  
closed when using the back window wiper  
and washer.  
If the back window is not fully closed, the  
back window defogger will not work. Make  
sure the back window is fully closed when  
using the back window defogger.  
If the back window is opened while the  
defogger is working, the defogger will au-  
tomatically turn off. Even if the back win-  
dow is fully closed after that, the defogger  
will not automatically turn on.  
NOTICE  
Do not operate the back window wip-  
er if the back window is dry. It may  
scratch the glass.  
Make sure you turn the defoggers off  
when the surfaces are clear. Leaving the  
defoggers on for a long time could cause  
the battery to discharge, especially during  
stopandgo driving. The defoggers are  
not designed for drying rain water or for  
melting snow.  
To defog or defrost the back window,  
push the switch with the back window  
closed.  
The engine switch must be in the “ON”  
position.  
The thin heater wires on the inside of the  
back window will quickly clear the surface.  
An indicator light will illuminate to indicate  
the defogger is operating.  
CAUTION  
On some models, since the mirror  
surfaces can get hot, do not touch  
them when the defogger switch is on.  
On some models, heater panels in the  
outside rear view mirrors will also quickly  
clear the surfaces.  
Push the switch once again to turn the  
defoggers off.  
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NOTICE  
When cleaning the inside of the back  
window, be careful not to scratch or  
damage the heater wires or connec-  
tors.  
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