Rear Window Defogger - Chevrolet 2010 Tahoe Owner's Manual

The recirculation mode cannot be used with floor,
defrost, or defogging modes. If recirculation is selected
while in one of those modes, the indicator flashes three
times and turns off. The air conditioning compressor will
also come on when this mode is activated. While in
recirculation mode the windows may fog when the
weather is cold and damp. To clear the fog, select either
the defog or defrost mode and increase the fan speed.
The recirculation mode can also be turned off by turning
off the engine.
Press to turn the rear heating and air
conditioning on. See Rear Air Conditioning and Heating
System on page 4 27 or Rear Air Conditioning and
Heating System and Electronic Climate Controls on
page 4 28 for more information.
4-20
The rear window defogger uses a warming grid to
remove fog from the rear window.
the rear window defogger on or off. The system
automatically turns off several minutes after it has been
activated. The defogger can also be turned off by
turning off the engine. Do not drive the vehicle until all
the windows are clear.
For vehicles with heated outside rearview mirrors, the
mirrors will heat to help clear fog or frost from the
surface of the mirror when the rear window defog button
is pressed.
Press this button to turn