Interior Mirrors; Automatic Dimming Rearview Mirror - Hummer 2010 H3 Owner's Manual

2-14 Keys, Doors and Windows

Interior Mirrors

Automatic Dimming
Rearview Mirror
The vehicle has an automatic
dimming rearview mirror with a
compass and temperature display.
®
Vehicles with OnStar have
three additional control buttons
®
for the OnStar system. See your
dealer for more information about
®
OnStar and how to subscribe to it.
®
See the OnStar owner guide for
more information about the services
®
OnStar provides.
z
(On/Off): Press to turn the
dimming feature on or off.
The vehicle may also have a Rear
Vision Camera (RVC). See Rear
Vision Camera (RVC) on page 9 60
for more information.
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Automatic Dimming Mirror
Operation
Automatic dimming reduces the
glare from the headlamps of the
vehicle behind you. The dimming
feature comes on and the indicator
light illuminates each time the
ignition is turned to start.
Temperature Display
To adjust between Fahrenheit and
Celsius:
z
Press
four seconds to toggle the
display from F (Fahrenheit)
to C (Celsius) to OFF. Release
the button after the display has
toggled to the next state.
The temperature display will
remain in its current state each
time the ignition goes through its
cycle.
for approximately
At start up, if the vehicle has
been off for less than two and
a half hours, and the last stored
temperature was less than
the current temperature, the
sensor will increase 1°F every
two minutes until the correct
temperature is displayed.
If the vehicle has been off more
than two and a half hours, or
the last stored temperature
is greater than the current
temperature, the current
temperature immediately
displays.
If the temperature is 37°F (3°C)
or lower, ICE will flash on the
temperature display. This display
will flash every two seconds for a
period of one minute.
If an abnormal temperature reading
is displayed for an extended period
of time, see your dealer. Under
certain circumstances, a delay in
updating the temperature is normal.