HONDA 2010 Insight - Manual (Page 151)

The outside mirrors are heated to
remove fog and frost. With the
ignition switch in the ON (II)
position, turn on the heaters by
pressing the rear window defogger
button. The indicator in the button
comes on as a reminder. Press the
button again to turn the heaters and
the defogger off.
This heated mirror function has a
timer (see page
). 123
On U.S. EX models and all Canadian
models
Power Mirror Heaters
Mirrors
Inst
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Cont
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145
HEATED MIRROR BUTTON