This feature is used to prevent ice from building up on the windshield and wiper blades.
On/off
The windshield wiper de-icer will automatically turn off after approximately 15 minutes. Pressing the switch again also turns the de-icer off.

Operating conditions
The engine switch is in the “on” position.
The engine switch is in ignition on mode.
Caution
When the windshield wiper de-icer is on
Do not touch the lower part of the windshield or the side of the front pillars, as the surfaces can become very hot and burn you.
Rear window and outside rear view mirror defoggersCheck for intermittent problems
Check for intermittent problems
Hint:
A momentary interruption (open circuit) in the connectors
and/or wire harness between the sensors and ecus can
be detected by using the ecu data list function of an
intelligent tester.
Turn the ignition switch off and connect the
intelligent test ...
Problem symptoms table (2005/11-2006/01)
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column of
the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...
General maintenance (2006/01- )
General notes
Maintenance requirements vary depending on the
country.
Check the maintenance schedule in the owner's
manual supplement.
Following the maintenance schedule is mandatory.
Determine the appropriate time to service the vehicle
using either miles driven or time elapsed ...