Hummer 2006 H2 - Manual (Page 117)

Automatic Dimming Rearview Mirror
with OnStar
® , Compass and
Temperature Display
You may have OnStar ® as a feature on this mirror. For
information on the OnStar ® system, see OnStar ®
System on page 2-48 or consult the OnStar ® manual.
The automatic dimming mirror dims to the proper level to
minimize glare from lights behind you after dark. The
mirror includes a compass reading and outside
temperature display in the upper right corner of
the mirror.
P On/Off: Press this button to operate the automatic
dimming, compass and temperature features.
Your vehicle may also have a Rear Vision Camera.
Briefly press the button located to the right of the on/off
button to turn the display off. The right hand green
indicator will be illuminated when the display is turned
off. To turn the display on, press the right hand button to
turn the LCD display on. The green indicator will be
illuminated when the display is turned on. See
Rear Vision Camera on page 3-18 for more information.
Temperature and Compass Display
Press the on/off button to cycle between °F, °C
and off. Repeat the key press to cycle between the
three display modes. The compass/temperature display
will default on at each new ignition cycle. For more
information, see “Compass Calibration” later in
this section.
If an abnormal temperature reading is displayed for an
extended period of time, please consult your dealer.
Under certain circumstances, a delay in updating
the temperature is normal.
Automatic Dimming Mirror Operation
Press and hold the on/off button for about three seconds
to turn the automatic dimming feature on or off. The
indicator light to the left of the on/off button will turn on
or off to show when the automatic dimming feature
is activated. Release the button to toggle the automatic
dimming feature on/off. The automatic dimming
feature will default on at each new ignition cycle.
2-41