Toyota Tundra Quick Reference Manual page 330

3-1. Using the air conditioning system and defogger
Back window, outside rear view mirror defoggers and front windshield wiper de-icer (if equipped on CrewMax models)
Clear the back window using the defogger.
Vehicles with an automatic air conditioning system
On/off
Press the button to turn on the
back window defogger. The
indicator will come on. The
defoggers will automatically
turn off after about 15 minutes.
Pressing the button again also
turns the defogger off.
I n f o r ma t i o n P r o v i d e d b y :
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