Mirrors; Automatic Dimming Rearview Mirror With Onstar , Compass And Temperature Display; Temperature And Compass Display - GMC Yukon Denali 2003 Owner's Manual

Mirrors

Automatic Dimming Rearview Mirror
®
with OnStar , Compass and
Temperature Display
Your vehicle may have this feature. When on, an
electrochromic mirror automatically dims to the proper
level to minimize glare from lights behind you after dark.
The mirror also includes a duel display in the upper
right corner of the mirror face. The compass reading and
the outside temperature will both appear in the display
at the same time.
P
(On/Off): This is the on/off button.

Temperature and Compass Display

Press the on/off button, located to the far left, briefly to
turn the comp/temp display on or off.
If the display reads CAL, you will need to calibrate the
compass. For more information on calibration, see
below.
To adjust between Fahrenheit and Celsius do the
following:
1. Press and hold the on/off button for approximately
four seconds until either a flashing °F, or °C
appears.
2. Press the button again to change the display to the
desired unit of measurement. After approximately
four seconds of inactivity, the new unit will be locked
in and the compass/temperature display will
return.
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